COMPMID-616 - Optimizing GEMMLowp on NEON intrinsics

Change-Id: Ibbeff5d37249b6e8fc34ad496035a1511c9da5a3
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/94072
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>

5 files changed, 1281 insertions, 377 deletions

diff --git a/src/core/NEON/kernels/NEGEMMLowpFinalizeKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpFinalizeKernel.cpp
new file mode 100644
index 0000000000..400c6d9d8c
--- /dev/null
+++ b/src/core/NEON/kernels/NEGEMMLowpFinalizeKernel.cpp
@@ -0,0 +1,509 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/NEON/kernels/NEGEMMLowpFinalizeKernel.h"
+
+#include "arm_compute/core/AccessWindowStatic.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/core/Window.h"
+
+#include <arm_neon.h>
+#include <cstddef>
+#include <cstdint>
+
+using namespace arm_compute;
+
+namespace arm_compute
+{
+class Coordinates;
+} // namespace arm_compute
+
+template <bool add_a_offset, bool add_b_offset>
+void NEGEMMLowpFinalizeKernel::finalize(const Window &window)
+{
+    const int32x4_t c_offset_s32 = vdupq_n_s32(_c_offset);
+    const int32x4_t shift_s32    = vdupq_n_s32(-_shift);
+
+    Window collapsed_window = window.collapse_if_possible(IKernel::window(), Window::DimZ);
+
+    if(add_a_offset && add_b_offset) // true, true
+    {
+        // Set window for vector_sum_col
+        Window win_vector_sum_col(collapsed_window);
+        win_vector_sum_col.set(Window::DimY, Window::Dimension(0, 0, 0));
+        if(!_slide_vector_sum_col)
+        {
+            win_vector_sum_col.set(Window::DimZ, Window::Dimension(0, 0, 0));
+        }
+
+        // Set window for vector_sum_row
+        Window win_vector_sum_row(collapsed_window);
+        win_vector_sum_row.set(Window::DimX, Window::Dimension(0, 0, 0));
+        win_vector_sum_row.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+        Iterator vector_sum_col(_vector_sum_col, win_vector_sum_col);
+        Iterator vector_sum_row(_vector_sum_row, win_vector_sum_row);
+        Iterator mm_result(_mm_result, window);
+        Iterator out(_output, window);
+
+        execute_window_loop(window, [&](const Coordinates & id)
+        {
+            // Compute the leftover term due to a_offset.
+            int32x4x4_t a_offset_term_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 12)
+                }
+            };
+
+            a_offset_term_s32.val[0] = vmulq_n_s32(a_offset_term_s32.val[0], _a_offset);
+            a_offset_term_s32.val[1] = vmulq_n_s32(a_offset_term_s32.val[1], _a_offset);
+            a_offset_term_s32.val[2] = vmulq_n_s32(a_offset_term_s32.val[2], _a_offset);
+            a_offset_term_s32.val[3] = vmulq_n_s32(a_offset_term_s32.val[3], _a_offset);
+
+            // Compute the leftover term due to b_offset.
+            int32x4_t b_offset_term_s32 = vld1q_dup_s32(reinterpret_cast<const int32_t *>(vector_sum_row.ptr()) + id.y());
+            b_offset_term_s32           = vmulq_n_s32(b_offset_term_s32, _b_offset);
+
+            // Add a_offset_term_s32 and b_offset_term_s32
+            int32x4x4_t offset_term_s32 =
+            {
+                {
+                    vdupq_n_s32(_k_offset),
+                    vdupq_n_s32(_k_offset),
+                    vdupq_n_s32(_k_offset),
+                    vdupq_n_s32(_k_offset)
+                }
+            };
+
+            offset_term_s32.val[0] = vaddq_s32(offset_term_s32.val[0], vaddq_s32(a_offset_term_s32.val[0], b_offset_term_s32));
+            offset_term_s32.val[1] = vaddq_s32(offset_term_s32.val[1], vaddq_s32(a_offset_term_s32.val[1], b_offset_term_s32));
+            offset_term_s32.val[2] = vaddq_s32(offset_term_s32.val[2], vaddq_s32(a_offset_term_s32.val[2], b_offset_term_s32));
+            offset_term_s32.val[3] = vaddq_s32(offset_term_s32.val[3], vaddq_s32(a_offset_term_s32.val[3], b_offset_term_s32));
+
+            // Add c_offset
+            offset_term_s32.val[0] = vaddq_s32(offset_term_s32.val[0], c_offset_s32);
+            offset_term_s32.val[1] = vaddq_s32(offset_term_s32.val[1], c_offset_s32);
+            offset_term_s32.val[2] = vaddq_s32(offset_term_s32.val[2], c_offset_s32);
+            offset_term_s32.val[3] = vaddq_s32(offset_term_s32.val[3], c_offset_s32);
+
+            int32x4x4_t in_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 12)
+                }
+            };
+
+            // Add the offset terms to GEMM's result
+            in_s32.val[0] = vaddq_s32(in_s32.val[0], offset_term_s32.val[0]);
+            in_s32.val[1] = vaddq_s32(in_s32.val[1], offset_term_s32.val[1]);
+            in_s32.val[2] = vaddq_s32(in_s32.val[2], offset_term_s32.val[2]);
+            in_s32.val[3] = vaddq_s32(in_s32.val[3], offset_term_s32.val[3]);
+
+            // Multiply by c_mult_int
+            in_s32.val[0] = vmulq_n_s32(in_s32.val[0], _c_mult_int);
+            in_s32.val[1] = vmulq_n_s32(in_s32.val[1], _c_mult_int);
+            in_s32.val[2] = vmulq_n_s32(in_s32.val[2], _c_mult_int);
+            in_s32.val[3] = vmulq_n_s32(in_s32.val[3], _c_mult_int);
+
+            // Shift final result (negative value shift right)
+            in_s32.val[0] = vshlq_s32(in_s32.val[0], shift_s32);
+            in_s32.val[1] = vshlq_s32(in_s32.val[1], shift_s32);
+            in_s32.val[2] = vshlq_s32(in_s32.val[2], shift_s32);
+            in_s32.val[3] = vshlq_s32(in_s32.val[3], shift_s32);
+
+            // Convert S32 to U16
+            const int16x8x2_t in_u16 =
+            {
+                {
+                    vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
+                    vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3])),
+                }
+            };
+
+            // Convert U16 to U8
+            const uint8x16_t out_u8 = vcombine_u8(vqmovun_s16(in_u16.val[0]), vqmovun_s16(in_u16.val[1]));
+
+            vst1q_u8(out.ptr(), out_u8);
+        },
+        vector_sum_col, vector_sum_row, mm_result, out);
+    }
+    else if(!add_a_offset && add_b_offset) // false, true
+    {
+        // Set window for vector_sum_row
+        Window win_vector_sum_row(collapsed_window);
+        win_vector_sum_row.set(Window::DimX, Window::Dimension(0, 0, 0));
+        win_vector_sum_row.set(Window::DimY, Window::Dimension(0, 0, 0));
+
+        Iterator vector_sum_row(_vector_sum_row, win_vector_sum_row);
+        Iterator mm_result(_mm_result, window);
+        Iterator out(_output, window);
+
+        execute_window_loop(window, [&](const Coordinates & id)
+        {
+            // Compute the leftover term due to b_offset.
+            int32x4_t b_offset_term_s32 = vld1q_dup_s32(reinterpret_cast<const int32_t *>(vector_sum_row.ptr()) + id.y());
+            b_offset_term_s32           = vmulq_n_s32(b_offset_term_s32, _b_offset);
+
+            // Add b_offset_term_s32 and c_offset_term_s32
+            int32x4_t offset_term_s32 = vaddq_s32(b_offset_term_s32, c_offset_s32);
+
+            int32x4x4_t in_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 12)
+                }
+            };
+
+            // Add the offset terms to GEMM's result
+            in_s32.val[0] = vaddq_s32(in_s32.val[0], offset_term_s32);
+            in_s32.val[1] = vaddq_s32(in_s32.val[1], offset_term_s32);
+            in_s32.val[2] = vaddq_s32(in_s32.val[2], offset_term_s32);
+            in_s32.val[3] = vaddq_s32(in_s32.val[3], offset_term_s32);
+
+            // Multiply by c_mult_int
+            in_s32.val[0] = vmulq_n_s32(in_s32.val[0], _c_mult_int);
+            in_s32.val[1] = vmulq_n_s32(in_s32.val[1], _c_mult_int);
+            in_s32.val[2] = vmulq_n_s32(in_s32.val[2], _c_mult_int);
+            in_s32.val[3] = vmulq_n_s32(in_s32.val[3], _c_mult_int);
+
+            // Shift final result (negative value shift right)
+            in_s32.val[0] = vshlq_s32(in_s32.val[0], shift_s32);
+            in_s32.val[1] = vshlq_s32(in_s32.val[1], shift_s32);
+            in_s32.val[2] = vshlq_s32(in_s32.val[2], shift_s32);
+            in_s32.val[3] = vshlq_s32(in_s32.val[3], shift_s32);
+
+            // Convert S32 to U16
+            const int16x8x2_t in_u16 =
+            {
+                {
+                    vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
+                    vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3])),
+                }
+            };
+
+            // Convert U16 to U8
+            const uint8x16_t out_u8 = vcombine_u8(vqmovun_s16(in_u16.val[0]), vqmovun_s16(in_u16.val[1]));
+
+            vst1q_u8(out.ptr(), out_u8);
+        },
+        vector_sum_row, mm_result, out);
+    }
+    else if(add_a_offset && !add_b_offset) // true, false
+    {
+        // Set window for vector_sum_col
+        Window win_vector_sum_col(collapsed_window);
+        win_vector_sum_col.set(Window::DimY, Window::Dimension(0, 0, 0));
+        if(!_slide_vector_sum_col)
+        {
+            win_vector_sum_col.set(Window::DimZ, Window::Dimension(0, 0, 0));
+        }
+
+        Iterator vector_sum_col(_vector_sum_col, win_vector_sum_col);
+        Iterator mm_result(_mm_result, window);
+        Iterator out(_output, window);
+
+        execute_window_loop(window, [&](const Coordinates & id)
+        {
+            // Compute the leftover term due to a_offset.
+            int32x4x4_t a_offset_term_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(vector_sum_col.ptr()) + 12)
+                }
+            };
+
+            a_offset_term_s32.val[0] = vmulq_n_s32(a_offset_term_s32.val[0], _a_offset);
+            a_offset_term_s32.val[1] = vmulq_n_s32(a_offset_term_s32.val[1], _a_offset);
+            a_offset_term_s32.val[2] = vmulq_n_s32(a_offset_term_s32.val[2], _a_offset);
+            a_offset_term_s32.val[3] = vmulq_n_s32(a_offset_term_s32.val[3], _a_offset);
+
+            // Add a_offset_term_s32 and b_offset_term_s32
+            int32x4x4_t offset_term_s32 =
+            {
+                {
+                    vaddq_s32(c_offset_s32, a_offset_term_s32.val[0]),
+                    vaddq_s32(c_offset_s32, a_offset_term_s32.val[1]),
+                    vaddq_s32(c_offset_s32, a_offset_term_s32.val[2]),
+                    vaddq_s32(c_offset_s32, a_offset_term_s32.val[3])
+                }
+            };
+
+            int32x4x4_t in_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 12)
+                }
+            };
+
+            // Add the offset terms to GEMM's result
+            in_s32.val[0] = vaddq_s32(in_s32.val[0], offset_term_s32.val[0]);
+            in_s32.val[1] = vaddq_s32(in_s32.val[1], offset_term_s32.val[1]);
+            in_s32.val[2] = vaddq_s32(in_s32.val[2], offset_term_s32.val[2]);
+            in_s32.val[3] = vaddq_s32(in_s32.val[3], offset_term_s32.val[3]);
+
+            // Multiply by c_mult_int
+            in_s32.val[0] = vmulq_n_s32(in_s32.val[0], _c_mult_int);
+            in_s32.val[1] = vmulq_n_s32(in_s32.val[1], _c_mult_int);
+            in_s32.val[2] = vmulq_n_s32(in_s32.val[2], _c_mult_int);
+            in_s32.val[3] = vmulq_n_s32(in_s32.val[3], _c_mult_int);
+
+            // Shift final result (negative value shift right)
+            in_s32.val[0] = vshlq_s32(in_s32.val[0], shift_s32);
+            in_s32.val[1] = vshlq_s32(in_s32.val[1], shift_s32);
+            in_s32.val[2] = vshlq_s32(in_s32.val[2], shift_s32);
+            in_s32.val[3] = vshlq_s32(in_s32.val[3], shift_s32);
+
+            // Convert S32 to U16
+            const int16x8x2_t in_u16 =
+            {
+                {
+                    vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
+                    vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3]))
+                }
+            };
+
+            // Convert U16 to U8
+            const uint8x16_t out_u8 = vcombine_u8(vqmovun_s16(in_u16.val[0]), vqmovun_s16(in_u16.val[1]));
+
+            vst1q_u8(out.ptr(), out_u8);
+        },
+        vector_sum_col, mm_result, out);
+    }
+    else // false, false
+    {
+        Iterator mm_result(_mm_result, window);
+        Iterator out(_output, window);
+
+        execute_window_loop(window, [&](const Coordinates & id)
+        {
+            int32x4x4_t in_s32 =
+            {
+                {
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 0),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 4),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 8),
+                    vld1q_s32(reinterpret_cast<const int32_t *>(mm_result.ptr()) + 12)
+                }
+            };
+
+            // Add the offset terms to GEMM's result
+            in_s32.val[0] = vaddq_s32(in_s32.val[0], c_offset_s32);
+            in_s32.val[1] = vaddq_s32(in_s32.val[1], c_offset_s32);
+            in_s32.val[2] = vaddq_s32(in_s32.val[2], c_offset_s32);
+            in_s32.val[3] = vaddq_s32(in_s32.val[3], c_offset_s32);
+
+            // Multiply by c_mult_int
+            in_s32.val[0] = vmulq_n_s32(in_s32.val[0], _c_mult_int);
+            in_s32.val[1] = vmulq_n_s32(in_s32.val[1], _c_mult_int);
+            in_s32.val[2] = vmulq_n_s32(in_s32.val[2], _c_mult_int);
+            in_s32.val[3] = vmulq_n_s32(in_s32.val[3], _c_mult_int);
+
+            // Shift final result (negative value shift right)
+            in_s32.val[0] = vshlq_s32(in_s32.val[0], shift_s32);
+            in_s32.val[1] = vshlq_s32(in_s32.val[1], shift_s32);
+            in_s32.val[2] = vshlq_s32(in_s32.val[2], shift_s32);
+            in_s32.val[3] = vshlq_s32(in_s32.val[3], shift_s32);
+
+            // Convert S32 to U16
+            const int16x8x2_t in_u16 =
+            {
+                {
+                    vcombine_s16(vqmovn_s32(in_s32.val[0]), vqmovn_s32(in_s32.val[1])),
+                    vcombine_s16(vqmovn_s32(in_s32.val[2]), vqmovn_s32(in_s32.val[3]))
+                }
+            };
+
+            // Convert U16 to U8
+            const uint8x16_t out_u8 = vcombine_u8(vqmovun_s16(in_u16.val[0]), vqmovun_s16(in_u16.val[1]));
+
+            vst1q_u8(out.ptr(), out_u8);
+        },
+        mm_result, out);
+    }
+}
+
+NEGEMMLowpFinalizeKernel::NEGEMMLowpFinalizeKernel()
+    : _func(nullptr), _vector_sum_col(nullptr), _vector_sum_row(nullptr), _mm_result(nullptr), _output(nullptr), _a_offset(0), _b_offset(0), _c_offset(0), _k_offset(0), _c_mult_int(0), _shift(0),
+      _slide_vector_sum_col(true)
+{
+}
+
+void NEGEMMLowpFinalizeKernel::configure(const ITensor *vector_sum_col, const ITensor *vector_sum_row, const ITensor *mm_result, ITensor *output, int32_t num_mtx_a_cols, int32_t a_offset,
+                                         int32_t b_offset,
+                                         int32_t c_offset, int32_t c_mult_int, int32_t shift)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(mm_result, 1, DataType::S32);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
+
+    TensorShape mm_result_shape = mm_result->info()->tensor_shape();
+    TensorShape output_shape    = output->info()->tensor_shape();
+
+    mm_result_shape.collapse(2);
+    output_shape.collapse(2);
+
+    ARM_COMPUTE_ERROR_ON_MSG(mm_result_shape[2] != output_shape[2], "mm_result tensor must have the same number of batches of output tensor");
+
+    // If a_offset == 0, vector_sum_col can be a nullptr
+    if(a_offset != 0)
+    {
+        ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(vector_sum_col, 1, DataType::S32);
+        ARM_COMPUTE_ERROR_ON(vector_sum_col->info()->dimension(0) != mm_result->info()->dimension(0));
+
+        TensorShape vector_sum_col_shape = vector_sum_col->info()->tensor_shape();
+        vector_sum_col_shape.collapse(1);
+
+        // Check if vector_sum_col_shape should be slidden or not
+        // Don't slide vector_sum_col_shape along the y dimension if vector_sum_col_shape has just 1 dimension and vector_sum_row_shape more than 1
+        // This scenario can happen when the the matrix multiplication is used to perform a convolution operation
+        _slide_vector_sum_col = vector_sum_col_shape[1] != 1;
+    }
+
+    // If b_offset == 0, vector_sum_row can be a nullptr
+    if(b_offset != 0)
+    {
+        ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(vector_sum_row, 1, DataType::S32);
+        ARM_COMPUTE_ERROR_ON(vector_sum_row->info()->dimension(0) != mm_result->info()->dimension(1));
+
+        TensorShape vector_sum_row_shape = vector_sum_row->info()->tensor_shape();
+        vector_sum_row_shape.collapse(1);
+
+        ARM_COMPUTE_ERROR_ON_MSG(vector_sum_row_shape[1] != output_shape[2], "mm_result tensor must have the same number of batches of output tensor");
+
+        if(a_offset != 0)
+        {
+            TensorShape vector_sum_col_shape = vector_sum_col->info()->tensor_shape();
+            vector_sum_col_shape.collapse(1);
+
+            ARM_COMPUTE_ERROR_ON_MSG(vector_sum_col_shape[1] != 1
+                                     && vector_sum_col_shape[1] != vector_sum_row_shape[1],
+                                     "vector_sum_col tensor must have the same number of batches of vector_sum_row_shape or the number of batches must be set to 1");
+        }
+    }
+
+    _vector_sum_col = vector_sum_col;
+    _vector_sum_row = vector_sum_row;
+    _mm_result      = mm_result;
+    _output         = output;
+    _a_offset       = a_offset;
+    _b_offset       = b_offset;
+    _k_offset       = a_offset * b_offset * num_mtx_a_cols;
+    _c_offset       = c_offset;
+    _c_mult_int     = c_mult_int;
+    _shift          = shift;
+
+    constexpr unsigned int num_elems_processed_per_iteration = 16;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration));
+
+    AccessWindowHorizontal mm_result_access(mm_result->info(), 0, num_elems_processed_per_iteration);
+    AccessWindowHorizontal output_result_access(output->info(), 0, num_elems_processed_per_iteration);
+
+    // Accordingly with a_offset and b_offset, we can have 4 cases:
+    // a_offset != 0 && b_offset != 0
+    // a_offset  = 0 && b_offset != 0
+    // a_offset != 0 && b_offset  = 0
+    // a_offset  = 0 && b_offset  = 0
+    if(a_offset != 0 && b_offset != 0)
+    {
+        // Set the function to use
+        _func = &NEGEMMLowpFinalizeKernel::finalize<true, true>;
+
+        AccessWindowStatic     vector_sum_row_access(vector_sum_row->info(), 0, 0, vector_sum_row->info()->dimension(0), 0);
+        AccessWindowHorizontal vector_sum_col_access(vector_sum_col->info(), 0, num_elems_processed_per_iteration);
+
+        update_window_and_padding(win,
+                                  vector_sum_col_access,
+                                  vector_sum_row_access,
+                                  mm_result_access,
+                                  output_result_access);
+    }
+    else if(a_offset == 0 && b_offset != 0)
+    {
+        // Set the function to use
+        _func = &NEGEMMLowpFinalizeKernel::finalize<false, true>;
+
+        AccessWindowStatic vector_sum_row_access(vector_sum_row->info(), 0, 0, vector_sum_row->info()->dimension(0), 0);
+
+        update_window_and_padding(win,
+                                  vector_sum_row_access,
+                                  mm_result_access,
+                                  output_result_access);
+    }
+    else if(a_offset != 0 && b_offset == 0)
+    {
+        // Set the function to use
+        _func = &NEGEMMLowpFinalizeKernel::finalize<true, false>;
+
+        AccessWindowHorizontal vector_sum_col_access(vector_sum_col->info(), 0, num_elems_processed_per_iteration);
+
+        update_window_and_padding(win,
+                                  vector_sum_col_access,
+                                  mm_result_access,
+                                  output_result_access);
+    }
+    else
+    {
+        // Set the function to use
+        _func = &NEGEMMLowpFinalizeKernel::finalize<false, false>;
+
+        update_window_and_padding(win,
+                                  mm_result_access,
+                                  output_result_access);
+    }
+
+    output_result_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), output->info()->tensor_shape()));
+
+    INEKernel::configure(win);
+}
+
+void NEGEMMLowpFinalizeKernel::run(const Window &window, const ThreadInfo &info)
+{
+    ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
+
+    (this->*_func)(window);
+}
diff --git a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
index cbba4461a2..3e614a8bfc 100644
--- a/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
+++ b/src/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2017 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -23,6 +23,7 @@
  */
 #include "arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h"
 
+#include "arm_compute/core/AccessWindowStatic.h"
 #include "arm_compute/core/Error.h"
 #include "arm_compute/core/Helpers.h"
 #include "arm_compute/core/ITensor.h"
@@ -45,35 +46,43 @@ class Coordinates;
 } // namespace arm_compute
 
 NEGEMMLowpMatrixMultiplyKernel::NEGEMMLowpMatrixMultiplyKernel()
-    : _input0(nullptr), _input1(nullptr), _output(nullptr), _a_offset(0), _b_offset(0), _output_offset(0), _output_mult_int(0), _shift(0)
+    : _input0(nullptr), _input1(nullptr), _output(nullptr), _slide_matrix_b(true)
 {
 }
 
-void NEGEMMLowpMatrixMultiplyKernel::configure(const ITensor *input0, const ITensor *input1, ITensor *output,
-                                               int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift)
+void NEGEMMLowpMatrixMultiplyKernel::configure(const ITensor *input0, const ITensor *input1, ITensor *output)
 {
     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input0, 1, DataType::U8);
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::U8);
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
-    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1, output);
-
-    _input0          = input0;
-    _input1          = input1;
-    _output          = output;
-    _a_offset        = a_offset;
-    _b_offset        = b_offset;
-    _output_offset   = output_offset;
-    _output_mult_int = output_mult_int;
-    _shift           = shift;
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input0, input1);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S32);
+
+    // Check if matrix B should be slidden or not
+    // Don't slide matrix B along the z dimension if matrix B has just 2 dimensions and matrix A more than 2
+    // This scenario can happen when the the matrix multiplication is used to perform a convolution operation
+    TensorShape in0_shape = input0->info()->tensor_shape();
+    TensorShape in1_shape = input1->info()->tensor_shape();
+    TensorShape out_shape = output->info()->tensor_shape();
+
+    in0_shape.collapse(2);
+    in1_shape.collapse(2);
+    out_shape.collapse(2);
+
+    ARM_COMPUTE_ERROR_ON_MSG(in0_shape[2] != out_shape[2], "Output tensor must have the same number of batches of input0 tensor");
+    ARM_COMPUTE_ERROR_ON_MSG(in1_shape[2] != 1 && in0_shape[2] != in1_shape[2], "Input1 tensor must have the same number of batches of input0 or the number of batches must be set to 1");
+
+    _input0         = input0;
+    _input1         = input1;
+    _output         = output;
+    _slide_matrix_b = in1_shape[2] != 1;
 
     constexpr unsigned int num_elems_processed_per_iteration_x = 16;
     constexpr unsigned int num_elems_processed_per_iteration_y = 4;
 
     Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y));
 
-    AccessWindowRectangle  output_access(output->info(), 0, 0, num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y);
-    AccessWindowHorizontal in0_access(input0->info(), 0, num_elems_processed_per_iteration_x);
+    AccessWindowStatic     in0_access(input0->info(), 0, 0, ceil_to_multiple(input0->info()->dimension(0), 8), input0->info()->dimension(1));
     AccessWindowHorizontal in1_access(input1->info(), 0, num_elems_processed_per_iteration_x);
+    AccessWindowRectangle  output_access(output->info(), 0, 0, num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y);
 
     update_window_and_padding(win, in0_access, in1_access, output_access);
 
@@ -88,337 +97,145 @@ void NEGEMMLowpMatrixMultiplyKernel::run(const Window &window, const ThreadInfo
     ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
 
     const size_t in_b_stride = _input1->info()->strides_in_bytes()[1];
-    const size_t out_stride  = _output->info()->strides_in_bytes()[1];
+    const size_t out_stride  = _output->info()->strides_in_bytes()[1] / _output->info()->element_size();
 
-    /* Set step_x and step_y for matrix A. Scale by a factor of 4 the Y range as the input interleaved matrix A has 4 times less the rows of the output matrix */
+    // Set step_x and step_y for matrix A. Scale by a factor of 4 the Y range as the input interleaved matrix A has 4 times less the rows of the output matrix
     Window win_a(window);
     win_a.set(Window::DimX, Window::Dimension(0, 0, 0));
-    win_a.set(Window::DimY, Window::Dimension(window.y().start() >> 2, window.y().end() >> 2, 1));
+    win_a.set(Window::DimY, Window::Dimension(window.y().start() / 4, window.y().end() / 4, 1));
 
-    /* Set step_x and step_y for matrix B. Scale by a factor of 16 the X range as the input transposed matrix A has 16 times less the cols of the output matrix */
-    Window win_b(window);
-    win_b.set(Window::DimX, Window::Dimension(window.x().start() >> 4, window.x().end() >> 4, in_b_stride));
+    // Set step_x and step_y for matrix B. Scale by a factor of 16 the X range as the input transposed matrix A has 16 times less the columns of the output matrix
+    Window win_b;
+    // Don't slice matrix B along the z dimension if matrix B has just 2 dimensions and matrix A more than 2
+    // This scenario can happen when the the matrix multiplication is used to perform a convolution operation
+    if(_slide_matrix_b)
+    {
+        win_b = window;
+    }
+    win_b.set(Window::DimX, Window::Dimension(window.x().start() / 16, window.x().end() / 16, in_b_stride));
     win_b.set(Window::DimY, Window::Dimension(0, 0, 0));
 
-    /* The step x and step y for the output matrix has been already set using in configure() */
+    // The step x and step y for the output matrix has been already set using in configure()
     Iterator ina(_input0, win_a);
     Iterator inb(_input1, win_b);
     Iterator out(_output, window);
 
-    const int32x4_t voffset_a = vdupq_n_s32(_a_offset);
-    const int32x4_t voffset_b = vdupq_n_s32(_b_offset);
-    const int32x4_t vshiftr   = vdupq_n_s32(-_shift);
-
     const int width_b = _input1->info()->dimension(0);
 
     // The implementation assumes that the matrix A and Matrix B have been reshaped respectively with NEGEMMInterleave4x4 and NEGEMMTranspose1xW
     // The reshaping of the matrices helps to have a cache friendly implementation and helps to avoid the data re-arrangements needed for computing 16x4 elements per iteration
     // All the values needed for computing a single 4x4 block will be read from consecutive memory positions
-    execute_window_loop(window, [&](const Coordinates &)
+    execute_window_loop(window, [&](const Coordinates & id)
     {
         const uint8_t *mtx_a0 = ina.ptr();
         const uint8_t *mtx_b0 = inb.ptr();
 
+        // Note: Since the input are all positives, we can use uint32_t
         // Accumulators for the block 0
-        int32x4x4_t c0 =
+        uint32x4x4_t c0 =
         {
             {
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset)
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0)
             }
         };
 
         // Accumulators for the block 1
-        int32x4x4_t c1 =
+        uint32x4x4_t c1 =
         {
             {
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset)
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0)
             }
         };
 
         // Accumulators for the block 2
-        int32x4x4_t c2 =
+        uint32x4x4_t c2 =
         {
             {
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset)
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0)
             }
         };
 
         // Accumulators for the block 3
-        int32x4x4_t c3 =
+        uint32x4x4_t c3 =
         {
             {
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset),
-                vdupq_n_s32(_output_offset)
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0),
+                vdupq_n_u32(0)
             }
         };
 
-        int k = 0;
-        // This for loop performs 4 accumulations per iteration
-        for(; k <= (width_b - 64); k += 64, mtx_a0 += 16, mtx_b0 += 64)
+        for(int k = 0; k < width_b; k += 16, mtx_a0 += 4, mtx_b0 += 16)
         {
-            const uint8x8_t p00  = vld1_u8(mtx_a0 + 0);
-            const uint8x8_t p01  = vld1_u8(mtx_a0 + 8);
-            const uint8x8_t q00l = vld1_u8(mtx_b0 + 0);
-            const uint8x8_t q00h = vld1_u8(mtx_b0 + 8);
-            const uint8x8_t q01l = vld1_u8(mtx_b0 + 16);
-            const uint8x8_t q01h = vld1_u8(mtx_b0 + 24);
-            const uint8x8_t q02l = vld1_u8(mtx_b0 + 32);
-            const uint8x8_t q02h = vld1_u8(mtx_b0 + 40);
-            const uint8x8_t q03l = vld1_u8(mtx_b0 + 48);
-            const uint8x8_t q03h = vld1_u8(mtx_b0 + 56);
-
-            const int32x4_t ia0l = vaddw_s16(voffset_a, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(p00))));
-            const int32x4_t ia0h = vaddw_s16(voffset_a, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(p00))));
-            const int32x4_t ia1l = vaddw_s16(voffset_a, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(p01))));
-            const int32x4_t ia1h = vaddw_s16(voffset_a, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(p01))));
-
-            const int32x2x4_t ia0 =
-            {
-                {
-                    vget_low_s32(ia0l),
-                    vget_high_s32(ia0l),
-                    vget_low_s32(ia0h),
-                    vget_high_s32(ia0h)
-                }
-            };
-
-            const int32x2x4_t ia1 =
-            {
-                {
-                    vget_low_s32(ia1l),
-                    vget_high_s32(ia1l),
-                    vget_low_s32(ia1h),
-                    vget_high_s32(ia1h)
-                }
-            };
-
-            const int32x4x4_t ib0 =
-            {
-                {
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q00l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q00l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q00h)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q00h))))
-                }
-            };
+            const uint8x8_t  a00_u8 = vld1_u8(mtx_a0);
+            const uint8x16_t b00_u8 = vld1q_u8(mtx_b0);
 
-            const int32x4x4_t ib1 =
-            {
-                {
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q01l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q01l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q01h)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q01h))))
-                }
-            };
+            // Convert a00_u8 to uint16_t and get the lower part
+            const uint16x4_t a00_u16 = vget_low_u16(vmovl_u8(a00_u8));
 
-            const int32x4x4_t ib2 =
+            // Convert b00_u8 to int16_t
+            const uint16x4x4_t b00_u16 =
             {
                 {
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q02l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q02l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q02h)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q02h))))
-                }
-            };
-
-            const int32x4x4_t ib3 =
-            {
-                {
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q03l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q03l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q03h)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q03h))))
-                }
-            };
-
-            // 4x4 block 0 - Accumulation 0
-            c0.val[0] = vmlaq_lane_s32(c0.val[0], ib0.val[0], ia0.val[0], 0);
-            c0.val[1] = vmlaq_lane_s32(c0.val[1], ib0.val[0], ia0.val[0], 1);
-            c0.val[2] = vmlaq_lane_s32(c0.val[2], ib0.val[0], ia0.val[1], 0);
-            c0.val[3] = vmlaq_lane_s32(c0.val[3], ib0.val[0], ia0.val[1], 1);
-            // 4x4 block 0 - Accumulation 1
-            c0.val[0] = vmlaq_lane_s32(c0.val[0], ib1.val[0], ia0.val[2], 0);
-            c0.val[1] = vmlaq_lane_s32(c0.val[1], ib1.val[0], ia0.val[2], 1);
-            c0.val[2] = vmlaq_lane_s32(c0.val[2], ib1.val[0], ia0.val[3], 0);
-            c0.val[3] = vmlaq_lane_s32(c0.val[3], ib1.val[0], ia0.val[3], 1);
-            // 4x4 block 0 - Accumulation 2
-            c0.val[0] = vmlaq_lane_s32(c0.val[0], ib2.val[0], ia1.val[0], 0);
-            c0.val[1] = vmlaq_lane_s32(c0.val[1], ib2.val[0], ia1.val[0], 1);
-            c0.val[2] = vmlaq_lane_s32(c0.val[2], ib2.val[0], ia1.val[1], 0);
-            c0.val[3] = vmlaq_lane_s32(c0.val[3], ib2.val[0], ia1.val[1], 1);
-            // 4x4 block 0 - Accumulation 3
-            c0.val[0] = vmlaq_lane_s32(c0.val[0], ib3.val[0], ia1.val[2], 0);
-            c0.val[1] = vmlaq_lane_s32(c0.val[1], ib3.val[0], ia1.val[2], 1);
-            c0.val[2] = vmlaq_lane_s32(c0.val[2], ib3.val[0], ia1.val[3], 0);
-            c0.val[3] = vmlaq_lane_s32(c0.val[3], ib3.val[0], ia1.val[3], 1);
-
-            // 4x4 block 1 - Accumulation 0
-            c1.val[0] = vmlaq_lane_s32(c1.val[0], ib0.val[1], ia0.val[0], 0);
-            c1.val[1] = vmlaq_lane_s32(c1.val[1], ib0.val[1], ia0.val[0], 1);
-            c1.val[2] = vmlaq_lane_s32(c1.val[2], ib0.val[1], ia0.val[1], 0);
-            c1.val[3] = vmlaq_lane_s32(c1.val[3], ib0.val[1], ia0.val[1], 1);
-            // 4x4 block 1 - Accumulation 1
-            c1.val[0] = vmlaq_lane_s32(c1.val[0], ib1.val[1], ia0.val[2], 0);
-            c1.val[1] = vmlaq_lane_s32(c1.val[1], ib1.val[1], ia0.val[2], 1);
-            c1.val[2] = vmlaq_lane_s32(c1.val[2], ib1.val[1], ia0.val[3], 0);
-            c1.val[3] = vmlaq_lane_s32(c1.val[3], ib1.val[1], ia0.val[3], 1);
-            // 4x4 block 1 - Accumulation 2
-            c1.val[0] = vmlaq_lane_s32(c1.val[0], ib2.val[1], ia1.val[0], 0);
-            c1.val[1] = vmlaq_lane_s32(c1.val[1], ib2.val[1], ia1.val[0], 1);
-            c1.val[2] = vmlaq_lane_s32(c1.val[2], ib2.val[1], ia1.val[1], 0);
-            c1.val[3] = vmlaq_lane_s32(c1.val[3], ib2.val[1], ia1.val[1], 1);
-            // 4x4 block 1 - Accumulation 3
-            c1.val[0] = vmlaq_lane_s32(c1.val[0], ib3.val[1], ia1.val[2], 0);
-            c1.val[1] = vmlaq_lane_s32(c1.val[1], ib3.val[1], ia1.val[2], 1);
-            c1.val[2] = vmlaq_lane_s32(c1.val[2], ib3.val[1], ia1.val[3], 0);
-            c1.val[3] = vmlaq_lane_s32(c1.val[3], ib3.val[1], ia1.val[3], 1);
-
-            // 4x4 block 2 - Accumulation 0
-            c2.val[0] = vmlaq_lane_s32(c2.val[0], ib0.val[2], ia0.val[0], 0);
-            c2.val[1] = vmlaq_lane_s32(c2.val[1], ib0.val[2], ia0.val[0], 1);
-            c2.val[2] = vmlaq_lane_s32(c2.val[2], ib0.val[2], ia0.val[1], 0);
-            c2.val[3] = vmlaq_lane_s32(c2.val[3], ib0.val[2], ia0.val[1], 1);
-            // 4x4 block 2 - Accumulation 1
-            c2.val[0] = vmlaq_lane_s32(c2.val[0], ib1.val[2], ia0.val[2], 0);
-            c2.val[1] = vmlaq_lane_s32(c2.val[1], ib1.val[2], ia0.val[2], 1);
-            c2.val[2] = vmlaq_lane_s32(c2.val[2], ib1.val[2], ia0.val[3], 0);
-            c2.val[3] = vmlaq_lane_s32(c2.val[3], ib1.val[2], ia0.val[3], 1);
-            // 4x4 block 2 - Accumulation 2
-            c2.val[0] = vmlaq_lane_s32(c2.val[0], ib2.val[2], ia1.val[0], 0);
-            c2.val[1] = vmlaq_lane_s32(c2.val[1], ib2.val[2], ia1.val[0], 1);
-            c2.val[2] = vmlaq_lane_s32(c2.val[2], ib2.val[2], ia1.val[1], 0);
-            c2.val[3] = vmlaq_lane_s32(c2.val[3], ib2.val[2], ia1.val[1], 1);
-            // 4x4 block 2 - Accumulation 3
-            c2.val[0] = vmlaq_lane_s32(c2.val[0], ib3.val[2], ia1.val[2], 0);
-            c2.val[1] = vmlaq_lane_s32(c2.val[1], ib3.val[2], ia1.val[2], 1);
-            c2.val[2] = vmlaq_lane_s32(c2.val[2], ib3.val[2], ia1.val[3], 0);
-            c2.val[3] = vmlaq_lane_s32(c2.val[3], ib3.val[2], ia1.val[3], 1);
-
-            // 4x4 block 3 - Accumulation 0
-            c3.val[0] = vmlaq_lane_s32(c3.val[0], ib0.val[3], ia0.val[0], 0);
-            c3.val[1] = vmlaq_lane_s32(c3.val[1], ib0.val[3], ia0.val[0], 1);
-            c3.val[2] = vmlaq_lane_s32(c3.val[2], ib0.val[3], ia0.val[1], 0);
-            c3.val[3] = vmlaq_lane_s32(c3.val[3], ib0.val[3], ia0.val[1], 1);
-            // 4x4 block 3 - Accumulation 1
-            c3.val[0] = vmlaq_lane_s32(c3.val[0], ib1.val[3], ia0.val[2], 0);
-            c3.val[1] = vmlaq_lane_s32(c3.val[1], ib1.val[3], ia0.val[2], 1);
-            c3.val[2] = vmlaq_lane_s32(c3.val[2], ib1.val[3], ia0.val[3], 0);
-            c3.val[3] = vmlaq_lane_s32(c3.val[3], ib1.val[3], ia0.val[3], 1);
-            // 4x4 block 3 - Accumulation 2
-            c3.val[0] = vmlaq_lane_s32(c3.val[0], ib2.val[3], ia1.val[0], 0);
-            c3.val[1] = vmlaq_lane_s32(c3.val[1], ib2.val[3], ia1.val[0], 1);
-            c3.val[2] = vmlaq_lane_s32(c3.val[2], ib2.val[3], ia1.val[1], 0);
-            c3.val[3] = vmlaq_lane_s32(c3.val[3], ib2.val[3], ia1.val[1], 1);
-            // 4x4 block 3 - Accumulation 3
-            c3.val[0] = vmlaq_lane_s32(c3.val[0], ib3.val[3], ia1.val[2], 0);
-            c3.val[1] = vmlaq_lane_s32(c3.val[1], ib3.val[3], ia1.val[2], 1);
-            c3.val[2] = vmlaq_lane_s32(c3.val[2], ib3.val[3], ia1.val[3], 0);
-            c3.val[3] = vmlaq_lane_s32(c3.val[3], ib3.val[3], ia1.val[3], 1);
-        }
-
-        // This for loop handles the left-over accumulations
-        for(; k < width_b; k += 16, mtx_a0 += 4, mtx_b0 += 16)
-        {
-            const uint8x8_t p00  = vld1_u8(mtx_a0);
-            const uint8x8_t q00l = vld1_u8(mtx_b0);
-            const uint8x8_t q00h = vld1_u8(mtx_b0 + 8);
-
-            const int32x4_t ia0 = vaddw_s16(voffset_a, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(p00))));
-
-            const int32x2x2_t ia =
-            {
-                {
-                    vget_low_s32(ia0),
-                    vget_high_s32(ia0)
-                }
-            };
-
-            const int32x4x4_t ib0 =
-            {
-                {
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q00l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q00l)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_low_u16(vmovl_u8(q00h)))),
-                    vaddw_s16(voffset_b, vreinterpret_s16_u16(vget_high_u16(vmovl_u8(q00h))))
+                    vget_low_u16(vmovl_u8(vget_low_u8(b00_u8))),
+                    vget_high_u16(vmovl_u8(vget_low_u8(b00_u8))),
+                    vget_low_u16(vmovl_u8(vget_high_u8(b00_u8))),
+                    vget_high_u16(vmovl_u8(vget_high_u8(b00_u8)))
                 }
             };
 
             // 4x4 block 0
-            c0.val[0] = vmlaq_lane_s32(c0.val[0], ib0.val[0], ia.val[0], 0);
-            c0.val[1] = vmlaq_lane_s32(c0.val[1], ib0.val[0], ia.val[0], 1);
-            c0.val[2] = vmlaq_lane_s32(c0.val[2], ib0.val[0], ia.val[1], 0);
-            c0.val[3] = vmlaq_lane_s32(c0.val[3], ib0.val[0], ia.val[1], 1);
+            c0.val[0] = vmlal_lane_u16(c0.val[0], b00_u16.val[0], a00_u16, 0);
+            c0.val[1] = vmlal_lane_u16(c0.val[1], b00_u16.val[1], a00_u16, 0);
+            c0.val[2] = vmlal_lane_u16(c0.val[2], b00_u16.val[2], a00_u16, 0);
+            c0.val[3] = vmlal_lane_u16(c0.val[3], b00_u16.val[3], a00_u16, 0);
 
             // 4x4 block 1
-            c1.val[0] = vmlaq_lane_s32(c1.val[0], ib0.val[1], ia.val[0], 0);
-            c1.val[1] = vmlaq_lane_s32(c1.val[1], ib0.val[1], ia.val[0], 1);
-            c1.val[2] = vmlaq_lane_s32(c1.val[2], ib0.val[1], ia.val[1], 0);
-            c1.val[3] = vmlaq_lane_s32(c1.val[3], ib0.val[1], ia.val[1], 1);
+            c1.val[0] = vmlal_lane_u16(c1.val[0], b00_u16.val[0], a00_u16, 1);
+            c1.val[1] = vmlal_lane_u16(c1.val[1], b00_u16.val[1], a00_u16, 1);
+            c1.val[2] = vmlal_lane_u16(c1.val[2], b00_u16.val[2], a00_u16, 1);
+            c1.val[3] = vmlal_lane_u16(c1.val[3], b00_u16.val[3], a00_u16, 1);
 
             // 4x4 block 2
-            c2.val[0] = vmlaq_lane_s32(c2.val[0], ib0.val[2], ia.val[0], 0);
-            c2.val[1] = vmlaq_lane_s32(c2.val[1], ib0.val[2], ia.val[0], 1);
-            c2.val[2] = vmlaq_lane_s32(c2.val[2], ib0.val[2], ia.val[1], 0);
-            c2.val[3] = vmlaq_lane_s32(c2.val[3], ib0.val[2], ia.val[1], 1);
+            c2.val[0] = vmlal_lane_u16(c2.val[0], b00_u16.val[0], a00_u16, 2);
+            c2.val[1] = vmlal_lane_u16(c2.val[1], b00_u16.val[1], a00_u16, 2);
+            c2.val[2] = vmlal_lane_u16(c2.val[2], b00_u16.val[2], a00_u16, 2);
+            c2.val[3] = vmlal_lane_u16(c2.val[3], b00_u16.val[3], a00_u16, 2);
 
             // 4x4 block 3
-            c3.val[0] = vmlaq_lane_s32(c3.val[0], ib0.val[3], ia.val[0], 0);
-            c3.val[1] = vmlaq_lane_s32(c3.val[1], ib0.val[3], ia.val[0], 1);
-            c3.val[2] = vmlaq_lane_s32(c3.val[2], ib0.val[3], ia.val[1], 0);
-            c3.val[3] = vmlaq_lane_s32(c3.val[3], ib0.val[3], ia.val[1], 1);
+            c3.val[0] = vmlal_lane_u16(c3.val[0], b00_u16.val[0], a00_u16, 3);
+            c3.val[1] = vmlal_lane_u16(c3.val[1], b00_u16.val[1], a00_u16, 3);
+            c3.val[2] = vmlal_lane_u16(c3.val[2], b00_u16.val[2], a00_u16, 3);
+            c3.val[3] = vmlal_lane_u16(c3.val[3], b00_u16.val[3], a00_u16, 3);
         }
 
-        c0.val[0] = vshlq_s32(vmulq_n_s32(c0.val[0], _output_mult_int), vshiftr);
-        c0.val[1] = vshlq_s32(vmulq_n_s32(c0.val[1], _output_mult_int), vshiftr);
-        c0.val[2] = vshlq_s32(vmulq_n_s32(c0.val[2], _output_mult_int), vshiftr);
-        c0.val[3] = vshlq_s32(vmulq_n_s32(c0.val[3], _output_mult_int), vshiftr);
-
-        c1.val[0] = vshlq_s32(vmulq_n_s32(c1.val[0], _output_mult_int), vshiftr);
-        c1.val[1] = vshlq_s32(vmulq_n_s32(c1.val[1], _output_mult_int), vshiftr);
-        c1.val[2] = vshlq_s32(vmulq_n_s32(c1.val[2], _output_mult_int), vshiftr);
-        c1.val[3] = vshlq_s32(vmulq_n_s32(c1.val[3], _output_mult_int), vshiftr);
-
-        c2.val[0] = vshlq_s32(vmulq_n_s32(c2.val[0], _output_mult_int), vshiftr);
-        c2.val[1] = vshlq_s32(vmulq_n_s32(c2.val[1], _output_mult_int), vshiftr);
-        c2.val[2] = vshlq_s32(vmulq_n_s32(c2.val[2], _output_mult_int), vshiftr);
-        c2.val[3] = vshlq_s32(vmulq_n_s32(c2.val[3], _output_mult_int), vshiftr);
-
-        c3.val[0] = vshlq_s32(vmulq_n_s32(c3.val[0], _output_mult_int), vshiftr);
-        c3.val[1] = vshlq_s32(vmulq_n_s32(c3.val[1], _output_mult_int), vshiftr);
-        c3.val[2] = vshlq_s32(vmulq_n_s32(c3.val[2], _output_mult_int), vshiftr);
-        c3.val[3] = vshlq_s32(vmulq_n_s32(c3.val[3], _output_mult_int), vshiftr);
-
-        const uint8x16x4_t r =
-        {
-            {
-                vcombine_u8(vqmovun_s16(vcombine_s16(vqmovn_s32(c0.val[0]), vqmovn_s32(c1.val[0]))),
-                vqmovun_s16(vcombine_s16(vqmovn_s32(c2.val[0]), vqmovn_s32(c3.val[0])))),
-                vcombine_u8(vqmovun_s16(vcombine_s16(vqmovn_s32(c0.val[1]), vqmovn_s32(c1.val[1]))),
-                vqmovun_s16(vcombine_s16(vqmovn_s32(c2.val[1]), vqmovn_s32(c3.val[1])))),
-                vcombine_u8(vqmovun_s16(vcombine_s16(vqmovn_s32(c0.val[2]), vqmovn_s32(c1.val[2]))),
-                vqmovun_s16(vcombine_s16(vqmovn_s32(c2.val[2]), vqmovn_s32(c3.val[2])))),
-                vcombine_u8(vqmovun_s16(vcombine_s16(vqmovn_s32(c0.val[3]), vqmovn_s32(c1.val[3]))),
-                vqmovun_s16(vcombine_s16(vqmovn_s32(c2.val[3]), vqmovn_s32(c3.val[3]))))
-            }
-        };
-
-        uint8_t *const mtx_out = out.ptr();
-        vst1q_u8(mtx_out + 0 * out_stride, r.val[0]);
-        vst1q_u8(mtx_out + 1 * out_stride, r.val[1]);
-        vst1q_u8(mtx_out + 2 * out_stride, r.val[2]);
-        vst1q_u8(mtx_out + 3 * out_stride, r.val[3]);
+        auto mtx_out = reinterpret_cast<int32_t *>(out.ptr());
+        vst1q_s32(mtx_out + 0 * out_stride + 0, vreinterpretq_s32_u32(c0.val[0]));
+        vst1q_s32(mtx_out + 0 * out_stride + 4, vreinterpretq_s32_u32(c0.val[1]));
+        vst1q_s32(mtx_out + 0 * out_stride + 8, vreinterpretq_s32_u32(c0.val[2]));
+        vst1q_s32(mtx_out + 0 * out_stride + 12, vreinterpretq_s32_u32(c0.val[3]));
+        vst1q_s32(mtx_out + 1 * out_stride + 0, vreinterpretq_s32_u32(c1.val[0]));
+        vst1q_s32(mtx_out + 1 * out_stride + 4, vreinterpretq_s32_u32(c1.val[1]));
+        vst1q_s32(mtx_out + 1 * out_stride + 8, vreinterpretq_s32_u32(c1.val[2]));
+        vst1q_s32(mtx_out + 1 * out_stride + 12, vreinterpretq_s32_u32(c1.val[3]));
+        vst1q_s32(mtx_out + 2 * out_stride + 0, vreinterpretq_s32_u32(c2.val[0]));
+        vst1q_s32(mtx_out + 2 * out_stride + 4, vreinterpretq_s32_u32(c2.val[1]));
+        vst1q_s32(mtx_out + 2 * out_stride + 8, vreinterpretq_s32_u32(c2.val[2]));
+        vst1q_s32(mtx_out + 2 * out_stride + 12, vreinterpretq_s32_u32(c2.val[3]));
+        vst1q_s32(mtx_out + 3 * out_stride + 0, vreinterpretq_s32_u32(c3.val[0]));
+        vst1q_s32(mtx_out + 3 * out_stride + 4, vreinterpretq_s32_u32(c3.val[1]));
+        vst1q_s32(mtx_out + 3 * out_stride + 8, vreinterpretq_s32_u32(c3.val[2]));
+        vst1q_s32(mtx_out + 3 * out_stride + 12, vreinterpretq_s32_u32(c3.val[3]));
     },
     ina, inb, out);
 }
diff --git a/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp b/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp
new file mode 100644
index 0000000000..3f841bbf59
--- /dev/null
+++ b/src/core/NEON/kernels/NEGEMMLowpReductionKernel.cpp
@@ -0,0 +1,431 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/core/NEON/kernels/NEGEMMLowpReductionKernel.h"
+
+#include "arm_compute/core/AccessWindowStatic.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/core/Window.h"
+
+#include <arm_neon.h>
+#include <cstddef>
+#include <cstdint>
+
+using namespace arm_compute;
+
+namespace arm_compute
+{
+class Coordinates;
+} // namespace arm_compute
+
+INEGEMMLowpReductionKernel::INEGEMMLowpReductionKernel()
+    : _input(), _output(), _k(0), _is_reshaped(false)
+{
+}
+
+void NEGEMMLowpMatrixAReductionKernel::configure(const ITensor *mtx_a_interleaved4x4, ITensor *vector_sum_row, int32_t num_mtx_a_cols, bool is_interleaved4x4)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(mtx_a_interleaved4x4, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(vector_sum_row, 1, DataType::S32);
+
+    _input       = mtx_a_interleaved4x4;
+    _output      = vector_sum_row;
+    _k           = num_mtx_a_cols;
+    _is_reshaped = is_interleaved4x4;
+
+    const unsigned int num_elems_processed_per_iteration = _is_reshaped ? 4 : 1;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*_output->info(), Steps(num_elems_processed_per_iteration));
+
+    AccessWindowStatic     input_access(_input->info(), 0, 0, ceil_to_multiple(_input->info()->dimension(0), 16), _input->info()->dimension(1));
+    AccessWindowHorizontal output_access(_output->info(), 0, num_elems_processed_per_iteration);
+
+    update_window_and_padding(win,
+                              input_access,
+                              output_access);
+
+    output_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), _output->info()->tensor_shape()));
+
+    INEKernel::configure(win);
+}
+
+void NEGEMMLowpMatrixAReductionKernel::run(const Window &window, const ThreadInfo &info)
+{
+    ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
+
+    Window collapsed_window = window.collapse_if_possible(IKernel::window(), Window::DimY);
+
+    Window win_input(collapsed_window);
+    win_input.set(Window::DimX, Window::Dimension(0, 0, 0));
+    win_input.set(Window::DimY, Window::Dimension(0, 0, 0));
+    win_input.set(Window::DimZ, Window::Dimension(0, 0, 0));
+
+    Iterator in(_input, win_input);
+    Iterator out(_output, collapsed_window);
+
+    if(_is_reshaped)
+    {
+        execute_window_loop(collapsed_window, [&](const Coordinates & id)
+        {
+            // Note: Since the input is unsigned char, we can safely use unsigned int for the accumulation
+            uint32x4_t sum_row = vdupq_n_u32(0);
+
+            const uint8_t *matrix_a = in.ptr() + (id.x() / 4) * _input->info()->strides_in_bytes()[1] + id.y() * _input->info()->strides_in_bytes()[2];
+
+#if __arm__
+            asm volatile("PLD [%0, #128*4]" ::"r"(matrix_a));
+#endif /* __arm__ */
+
+            int i = 0;
+            // This for loop performs 4 accumulations
+            for(; i <= (_k - 4); i += 4)
+            {
+                const uint8x16_t a0_u8 = vld1q_u8(matrix_a + i * 4);
+
+                // Convert U8 to U16
+                uint16x4x4_t a0_u16 =
+                {
+                    {
+                        vget_low_u16(vmovl_u8(vget_low_u8(a0_u8))),
+                        vget_high_u16(vmovl_u8(vget_low_u8(a0_u8))),
+                        vget_low_u16(vmovl_u8(vget_high_u8(a0_u8))),
+                        vget_high_u16(vmovl_u8(vget_high_u8(a0_u8)))
+                    }
+                };
+
+                // Accumulate to U16
+                a0_u16.val[0] = vadd_u16(a0_u16.val[0], a0_u16.val[1]);
+                a0_u16.val[0] = vadd_u16(a0_u16.val[0], a0_u16.val[2]);
+                a0_u16.val[0] = vadd_u16(a0_u16.val[0], a0_u16.val[3]);
+
+                // Accumulate to U32
+                sum_row = vaddw_u16(sum_row, a0_u16.val[0]);
+            }
+
+            // This for loop performs the leftover accumulations
+            for(; i < _k; ++i)
+            {
+                const uint8x8_t a0_u8 = vld1_u8(matrix_a + i * 4);
+
+                // Convert U8 to U16
+                const uint16x4_t a0_u16 = vget_low_u16(vmovl_u8(a0_u8));
+
+                // Accumulate to U32
+                sum_row = vaddw_u16(sum_row, a0_u16);
+            }
+
+            auto vector_sum_row = reinterpret_cast<int32_t *>(out.ptr());
+
+            vst1q_s32(vector_sum_row, vreinterpretq_s32_u32(sum_row));
+        },
+        in, out);
+    }
+    else // it is not reshaped
+    {
+        execute_window_loop(collapsed_window, [&](const Coordinates & id)
+        {
+            // Note: Since the input is unsigned char, we can safely use unsigned int for the accumulation
+            uint32x4_t   sum_row_s32 = vdupq_n_u32(0);
+            unsigned int sum_row     = 0;
+
+            const uint8_t *matrix_a = in.ptr() + id.x() * _input->info()->strides_in_bytes()[1] + +id.y() * _input->info()->strides_in_bytes()[2];
+
+#if __arm__
+            asm volatile("PLD [%0, #128*4]" ::"r"(matrix_a));
+#endif /* __arm__ */
+
+            int i = 0;
+            // This for loop performs 16 accumulations
+            for(; i <= (_k - 16); i += 16)
+            {
+                const uint8x16_t a0_u8 = vld1q_u8(matrix_a + i);
+
+                // Partial accumulations in U16
+                const uint16x8_t tmp_sum0 = vaddl_u8(vget_low_u8(a0_u8), vget_high_u8(a0_u8));
+
+                // Accumulate to U32
+                sum_row_s32 = vaddq_u32(sum_row_s32, vpaddlq_u16(tmp_sum0));
+            }
+
+            // This for loop performs the leftover accumulations
+            for(; i < _k; ++i)
+            {
+                sum_row += static_cast<unsigned int>(matrix_a[i]);
+            }
+
+#if defined(__aarch64__)
+            // Reduction operation available on 64 bit architectures only
+            sum_row += vaddvq_u32(sum_row_s32);
+#else  // __aarch64__
+            uint32x2_t tmp = vpadd_u32(vget_high_u32(sum_row_s32), vget_low_u32(sum_row_s32));
+            tmp            = vpadd_u32(tmp, tmp);
+
+            sum_row += vget_lane_u32(tmp, 0);
+#endif // __aarch64__
+
+            *(reinterpret_cast<int *>(out.ptr())) = static_cast<int>(sum_row);
+        },
+        in, out);
+    }
+}
+
+void NEGEMMLowpMatrixBReductionKernel::configure(const ITensor *mtx_b_transposed1xW, ITensor *vector_sum_col, int32_t num_mtx_b_rows, bool is_transposed1xW)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(mtx_b_transposed1xW, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(vector_sum_col, 1, DataType::S32);
+
+    _input       = mtx_b_transposed1xW;
+    _output      = vector_sum_col;
+    _k           = num_mtx_b_rows;
+    _is_reshaped = is_transposed1xW;
+
+    constexpr unsigned int num_elems_processed_per_iteration = 16;
+
+    // Configure kernel window
+    Window win = calculate_max_window(*vector_sum_col->info(), Steps(num_elems_processed_per_iteration));
+
+    AccessWindowStatic     input_access(_input->info(), 0, 0, ceil_to_multiple(_input->info()->dimension(0), 16), _input->info()->dimension(1));
+    AccessWindowHorizontal output_access(_output->info(), 0, num_elems_processed_per_iteration);
+
+    update_window_and_padding(win,
+                              input_access,
+                              output_access);
+
+    output_access.set_valid_region(win, ValidRegion(Coordinates(0, 0), _output->info()->tensor_shape()));
+
+    INEKernel::configure(win);
+}
+
+void NEGEMMLowpMatrixBReductionKernel::run(const Window &window, const ThreadInfo &info)
+{
+    ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
+
+    Window collapsed_window = window.collapse_if_possible(IKernel::window(), Window::DimY);
+
+    if(_is_reshaped)
+    {
+        Window win_input(collapsed_window);
+        win_input.set(Window::DimX, Window::Dimension(0, 0, 0));
+        win_input.set(Window::DimY, Window::Dimension(0, 0, 0));
+        win_input.set(Window::DimZ, Window::Dimension(0, 0, 0));
+
+        Iterator in(_input, win_input);
+        Iterator out(_output, collapsed_window);
+
+        execute_window_loop(collapsed_window, [&](const Coordinates & id)
+        {
+            // Note: Since the input is unsigned char, we can safely use unsigned int for the accumulation
+            uint32x4x4_t sum_col =
+            {
+                {
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0)
+                }
+            };
+
+            const uint8_t *matrix_b = in.ptr() + (id.x() / 16) * _input->info()->strides_in_bytes()[1] + id.y() * _input->info()->strides_in_bytes()[2];
+
+#if __arm__
+            asm volatile("PLD [%0, #128*4]" ::"r"(matrix_b));
+#endif /* __arm__ */
+
+            int i = 0;
+            for(; i < _k; ++i)
+            {
+                const uint8x16_t b0_u8 = vld1q_u8(matrix_b + i * 16);
+
+                // Convert U8 to U16
+                const uint16x8x2_t b0_u16 =
+                {
+                    {
+                        vmovl_u8(vget_low_u8(b0_u8)),
+                        vmovl_u8(vget_high_u8(b0_u8))
+                    }
+                };
+
+                // Accumulate to U32
+                sum_col =
+                {
+                    {
+                        vaddw_u16(sum_col.val[0], vget_low_u16(b0_u16.val[0])),
+                        vaddw_u16(sum_col.val[1], vget_high_u16(b0_u16.val[0])),
+                        vaddw_u16(sum_col.val[2], vget_low_u16(b0_u16.val[1])),
+                        vaddw_u16(sum_col.val[3], vget_high_u16(b0_u16.val[1]))
+                    }
+                };
+            }
+
+            auto vector_sum_col = reinterpret_cast<int32_t *>(out.ptr());
+
+            vst1q_s32(vector_sum_col + 0, vreinterpretq_s32_u32(sum_col.val[0]));
+            vst1q_s32(vector_sum_col + 4, vreinterpretq_s32_u32(sum_col.val[1]));
+            vst1q_s32(vector_sum_col + 8, vreinterpretq_s32_u32(sum_col.val[2]));
+            vst1q_s32(vector_sum_col + 12, vreinterpretq_s32_u32(sum_col.val[3]));
+        },
+        in, out);
+    }
+    else // it is not reshaped
+    {
+        const auto width_matrix_b = static_cast<int>(_input->info()->dimension(0));
+        const auto in_b_stride    = static_cast<int>(_input->info()->strides_in_bytes()[1]);
+
+        // The implementation computes 16 elements per iteration
+        const int window_start_x = 16 * info.thread_id;
+        const int window_step_x  = 16 * info.num_threads;
+        // Make sure (window_end_x - window_start_x) is a multiple of window_step_x
+        const int window_end_x = ceil_to_multiple(width_matrix_b - window_start_x, window_step_x) + window_start_x;
+
+        Window win_out(collapsed_window);
+        win_out.set(Window::DimX, Window::Dimension(window_start_x, window_end_x, window_step_x));
+
+        Window win_in(win_out);
+        win_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+        win_in.set(Window::DimZ, Window::Dimension(0, 0, 0));
+
+        Iterator inb(_input, win_in);
+        Iterator out(_output, win_out);
+
+        execute_window_loop(win_out, [&](const Coordinates & id)
+        {
+            if(id.x() > width_matrix_b)
+            {
+                return;
+            }
+
+            // Note: Since the input is unsigned char, we can safely use unsigned int for the accumulation
+            uint32x4x4_t sum_col =
+            {
+                {
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0),
+                    vdupq_n_u32(0)
+                }
+            };
+
+            const uint8_t *matrix_b = inb.ptr() + id.y() * _input->info()->strides_in_bytes()[2];
+
+#if __arm__
+            asm volatile("PLD [%0, #128*4]" ::"r"(matrix_b));
+            asm volatile("PLD [%0, #128*4]" ::"r"(matrix_b + in_b_stride));
+#endif /* __arm__ */
+
+            int i = 0;
+            // This for loop performs 4 accumulations
+            for(; i <= (_k - 4); i += 4)
+            {
+                const uint8x16_t b0_u8 = vld1q_u8(matrix_b + 0 * in_b_stride);
+                const uint8x16_t b1_u8 = vld1q_u8(matrix_b + 1 * in_b_stride);
+                const uint8x16_t b2_u8 = vld1q_u8(matrix_b + 2 * in_b_stride);
+                const uint8x16_t b3_u8 = vld1q_u8(matrix_b + 3 * in_b_stride);
+
+#if __arm__
+                asm volatile("PLD [%0, #128*1]" ::"r"(matrix_b + 1 * in_b_stride));
+                asm volatile("PLD [%0, #128*1]" ::"r"(matrix_b + 2 * in_b_stride));
+                asm volatile("PLD [%0, #128*1]" ::"r"(matrix_b + 3 * in_b_stride));
+                asm volatile("PLD [%0, #128*1]" ::"r"(matrix_b + 4 * in_b_stride));
+#endif /* __arm__ */
+
+                // Partial accumulation in u16
+                uint16x8x2_t tmp_sum =
+                {
+                    {
+                        vdupq_n_u16(0),
+                        vdupq_n_u16(0)
+                    }
+                };
+
+                tmp_sum.val[0] = vaddw_u8(tmp_sum.val[0], vget_low_u8(b0_u8));
+                tmp_sum.val[0] = vaddw_u8(tmp_sum.val[0], vget_low_u8(b1_u8));
+                tmp_sum.val[0] = vaddw_u8(tmp_sum.val[0], vget_low_u8(b2_u8));
+                tmp_sum.val[0] = vaddw_u8(tmp_sum.val[0], vget_low_u8(b3_u8));
+                tmp_sum.val[1] = vaddw_u8(tmp_sum.val[1], vget_high_u8(b0_u8));
+                tmp_sum.val[1] = vaddw_u8(tmp_sum.val[1], vget_high_u8(b1_u8));
+                tmp_sum.val[1] = vaddw_u8(tmp_sum.val[1], vget_high_u8(b2_u8));
+                tmp_sum.val[1] = vaddw_u8(tmp_sum.val[1], vget_high_u8(b3_u8));
+
+                // Accumulate to U32
+                sum_col =
+                {
+                    {
+                        vaddw_u16(sum_col.val[0], vget_low_u16(tmp_sum.val[0])),
+                        vaddw_u16(sum_col.val[1], vget_high_u16(tmp_sum.val[0])),
+                        vaddw_u16(sum_col.val[2], vget_low_u16(tmp_sum.val[1])),
+                        vaddw_u16(sum_col.val[3], vget_high_u16(tmp_sum.val[1]))
+                    }
+                };
+
+                matrix_b += 4 * in_b_stride;
+            }
+
+            // This for loop perfoms the leftover accumulations
+            for(; i < _k; ++i)
+            {
+                const uint8x16_t b0_u8 = vld1q_u8(matrix_b + 0 * in_b_stride);
+
+                // Convert U8 to U16
+                const uint16x8x2_t b0_u16 =
+                {
+                    {
+                        vmovl_u8(vget_low_u8(b0_u8)),
+                        vmovl_u8(vget_high_u8(b0_u8))
+                    }
+                };
+
+                // Accumulate to U32
+                sum_col =
+                {
+                    {
+                        vaddw_u16(sum_col.val[0], vget_low_u16(b0_u16.val[0])),
+                        vaddw_u16(sum_col.val[1], vget_high_u16(b0_u16.val[0])),
+                        vaddw_u16(sum_col.val[2], vget_low_u16(b0_u16.val[1])),
+                        vaddw_u16(sum_col.val[3], vget_high_u16(b0_u16.val[1]))
+                    }
+                };
+
+                matrix_b += in_b_stride;
+            }
+
+            auto vector_sum_col = reinterpret_cast<int32_t *>(out.ptr());
+
+            vst1q_s32(vector_sum_col + 0, vreinterpretq_s32_u32(sum_col.val[0]));
+            vst1q_s32(vector_sum_col + 4, vreinterpretq_s32_u32(sum_col.val[1]));
+            vst1q_s32(vector_sum_col + 8, vreinterpretq_s32_u32(sum_col.val[2]));
+            vst1q_s32(vector_sum_col + 12, vreinterpretq_s32_u32(sum_col.val[3]));
+        },
+        inb, out);
+    }
+}
\ No newline at end of file
diff --git a/src/runtime/NEON/functions/NEGEMMLowp.cpp b/src/runtime/NEON/functions/NEGEMMLowp.cpp
index 12136cbcb5..ab7fa079b1 100644
--- a/src/runtime/NEON/functions/NEGEMMLowp.cpp
+++ b/src/runtime/NEON/functions/NEGEMMLowp.cpp
@@ -31,120 +31,104 @@
 #include "arm_compute/core/Types.h"
 #include "arm_compute/core/Validate.h"
 #include "arm_compute/runtime/NEON/NEScheduler.h"
+#include "arm_compute/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.h"
 #include "arm_compute/runtime/TensorAllocator.h"
 #include "support/ToolchainSupport.h"
 
 using namespace arm_compute;
 
-#define NEGEMMLOWP_VALIDATE_DIMENSIONS(a, b, output)                                                                                                                                      \
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN((a), 1, DataType::U8);                                                                                                                  \
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN((b), 1, DataType::U8);                                                                                                                  \
-    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(0) != (b)->info()->dimension(1), "The product AB is defined only if the number of columns in A is equal to the number of rows in B"); \
-    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(1) != (output)->info()->dimension(1), "The C matrix must have the same number of rows as the matrix A");                              \
-    ARM_COMPUTE_ERROR_ON_MSG((b)->info()->dimension(0) != (output)->info()->dimension(0), "The C matrix must have the same number of columns as the matrix C");
-
 NEGEMMLowp::NEGEMMLowp(std::shared_ptr<IMemoryManager> memory_manager)
-    : _memory_group(std::move(memory_manager)), _interleave_kernel(), _transpose_kernel(), _mm_kernel(), _mm_optimised_kernel(nullptr), _interleave_blocked(), _interleave_blocked_transposed(), _tmp_a(),
-      _tmp_b()
+    : _memory_group(std::move(memory_manager)), _mm_func(), _mtx_a_reduction_kernel(), _mtx_b_reduction_kernel(), _finalize_kernel(), _vector_sum_col(), _vector_sum_row(), _mm_output(), _a_offset(0),
+      _b_offset(0)
 {
 }
 
-void NEGEMMLowp::configure(const ITensor *a, const ITensor *b, ITensor *output)
+void NEGEMMLowp::configure(const ITensor *a, const ITensor *b, ITensor *output, int32_t a_offset, int32_t b_offset, int32_t c_offset, int32_t output_mult_int, int32_t shift)
 {
-    NEGEMMLOWP_VALIDATE_DIMENSIONS(a, b, output);
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U32);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN((a), 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(a, b, output);
+    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(0) != (b)->info()->dimension(1), "The product AB is defined only if the number of columns in A is equal to the number of rows in B");
+    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(1) != (output)->info()->dimension(1), "The output matrix must have the same number of rows as the matrix A");
+    ARM_COMPUTE_ERROR_ON_MSG((b)->info()->dimension(0) != (output)->info()->dimension(0), "The output matrix must have the same number of columns as the matrix B");
+
+    _a_offset = a_offset;
+    _b_offset = b_offset;
+
+    // Initialize matrix multiply output tensor
+    const TensorShape &shape_mm_output = output->info()->tensor_shape();
+    TensorInfo         info_mm_output(shape_mm_output, 1, DataType::S32);
+    _mm_output.allocator()->init(info_mm_output);
+    _memory_group.manage(&_mm_output);
 
-    const struct CPUInfo ci              = NEScheduler::get().cpu_info();
-    const int            cpu_has_dotprod = static_cast<int>(ci.CPU) & static_cast<int>(CPUTarget::DOT);
-    if(cpu_has_dotprod != 0)
+    // Initialize Matrix B reduction kernel only if _a_offset is not equal to 0
+    if(_a_offset != 0)
     {
-#ifdef ARM_COMPUTE_AARCH64_V8_2
-        // NEGEMMLowpAArch64V8P4Kernel only compiled in AArch64 targets
-        _mm_optimised_kernel    = support::cpp14::make_unique<NEGEMMLowpAArch64V8P4Kernel>();
-        TensorShape shape_a_int = a->info()->tensor_shape();
-        shape_a_int.set(0, a->info()->dimension(0) * 8.f);
-        shape_a_int.set(1, std::ceil(a->info()->dimension(1) / 8.f));
-
-        TensorShape shape_b_int = b->info()->tensor_shape();
-        shape_b_int.set(0, b->info()->dimension(0) * 12.f);
-        shape_b_int.set(1, std::ceil(b->info()->dimension(1) / 12.f));
-
-        TensorInfo info_a_int(shape_a_int, 1, a->info()->data_type());
-        TensorInfo info_b_int(shape_b_int, 1, b->info()->data_type());
-        _tmp_a.allocator()->init(info_a_int);
-        _tmp_b.allocator()->init(info_b_int);
-
-        _memory_group.manage(&_tmp_a);
-        _memory_group.manage(&_tmp_b);
-
-        _interleave_blocked.configure(a, &_tmp_a, 8, 4, false);
-        _interleave_blocked_transposed.configure(b, &_tmp_b, 12, 4, true);
-        _mm_optimised_kernel->configure(&_tmp_a, &_tmp_b, output);
-
-        _tmp_a.allocator()->allocate();
-        _tmp_b.allocator()->allocate();
-#endif /* ARM_COMPUTE_AARCH64_V8_2 */
+        TensorShape shape_vector_sum_col = b->info()->tensor_shape();
+        shape_vector_sum_col.remove_dimension(1);
+        TensorInfo info_vector_sum_col(shape_vector_sum_col, 1, DataType::S32);
+        _vector_sum_col.allocator()->init(info_vector_sum_col);
+        _memory_group.manage(&_vector_sum_col);
+
+        // Configure Matrix B reduction kernel
+        _mtx_b_reduction_kernel.configure(b, &_vector_sum_col, a->info()->dimension(0), false);
     }
-    else
+
+    // Initialize Matrix A reduction kernel only if _b_offset is not equal to 0
+    if(_b_offset != 0)
     {
-        ARM_COMPUTE_ERROR("Not implemented");
-        //FIXME: This is in the process of being updated, for more info please refer to COMPMID-624.
+        TensorShape shape_vector_sum_row = a->info()->tensor_shape();
+        shape_vector_sum_row.set(Window::DimX, a->info()->dimension(1));
+        shape_vector_sum_row.remove_dimension(1);
+        TensorInfo info_vector_sum_row(shape_vector_sum_row, 1, DataType::S32);
+        _vector_sum_row.allocator()->init(info_vector_sum_row);
+        _memory_group.manage(&_vector_sum_row);
+
+        // Configure Matrix A reduction kernel
+        _mtx_a_reduction_kernel.configure(a, &_vector_sum_row, a->info()->dimension(0), false);
     }
-}
 
-void NEGEMMLowp::run()
-{
-    _memory_group.acquire();
+    // Configure matrix multiply function
+    _mm_func.configure(a, b, &_mm_output);
+
+    // Configure finalize kernel
+    _finalize_kernel.configure(_a_offset == 0 ? nullptr : &_vector_sum_col, _b_offset == 0 ? nullptr : &_vector_sum_row, &_mm_output, output, a->info()->dimension(0), a_offset, b_offset, c_offset,
+                               output_mult_int, shift);
 
-    if(_mm_optimised_kernel != nullptr)
+    // Allocate tensors
+    _mm_output.allocator()->allocate();
+
+    if(_a_offset != 0)
     {
-        NEScheduler::get().schedule(&_interleave_blocked, Window::DimY);
-        NEScheduler::get().schedule(&_interleave_blocked_transposed, Window::DimY);
-        NEScheduler::get().schedule(_mm_optimised_kernel.get(), Window::DimY);
+        _vector_sum_col.allocator()->allocate();
     }
-    else
+
+    if(_b_offset != 0)
     {
-        /* Run interleave kernel */
-        NEScheduler::get().schedule(&_interleave_kernel, Window::DimY);
-        /* Run transpose kernel */
-        NEScheduler::get().schedule(&_transpose_kernel, Window::DimY);
-        /* Run matrix multiply kernel */
-        NEScheduler::get().schedule(&_mm_kernel, Window::DimY);
+        _vector_sum_row.allocator()->allocate();
     }
-
-    _memory_group.release();
 }
 
-void NEGEMMLowp::configure(const ITensor *a, const ITensor *b, ITensor *output, int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift)
+void NEGEMMLowp::run()
 {
-    NEGEMMLOWP_VALIDATE_DIMENSIONS(a, b, output);
-    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(a, b, output);
-    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
-
-    /* The interleaved output matrix will have the following shape: [ a_height * 4, ceil(a_width / 4.0f) ] */
-    TensorShape shape_tmp_a = a->info()->tensor_shape();
-    shape_tmp_a.set(0, a->info()->dimension(0) * 4);
-    shape_tmp_a.set(1, std::ceil(a->info()->dimension(1) / 4.f));
-
-    TensorShape shape_tmp_b = b->info()->tensor_shape();
-    shape_tmp_b.set(0, b->info()->dimension(1) * 16);
-    shape_tmp_b.set(1, std::ceil(b->info()->dimension(0) / 16.f));
+    _memory_group.acquire();
 
-    TensorInfo info_a(shape_tmp_a, 1, a->info()->data_type());
-    TensorInfo info_b(shape_tmp_b, 1, b->info()->data_type());
-    _tmp_a.allocator()->init(info_a);
-    _tmp_b.allocator()->init(info_b);
+    // Run matrix A reduction kernel only if _b_offset is not equal to 0
+    if(_b_offset != 0)
+    {
+        NEScheduler::get().schedule(&_mtx_a_reduction_kernel, Window::DimX);
+    }
 
-    // Manage intermediate buffers
-    _memory_group.manage(&_tmp_a);
-    _memory_group.manage(&_tmp_b);
+    // Run matrix B reduction kernel only if _a_offset is not equal to 0
+    if(_a_offset != 0)
+    {
+        NEScheduler::get().schedule(&_mtx_b_reduction_kernel, Window::DimX);
+    }
 
-    _interleave_kernel.configure(a, &_tmp_a);
-    _transpose_kernel.configure(b, &_tmp_b);
-    _mm_kernel.configure(&_tmp_a, &_tmp_b, output, a_offset, b_offset, output_offset, output_mult_int, shift);
+    // Run matrix multiply core function
+    _mm_func.run();
 
-    _tmp_a.allocator()->allocate();
-    _tmp_b.allocator()->allocate();
-}
+    // Run finalise kernel
+    NEScheduler::get().schedule(&_finalize_kernel, Window::DimY);
 
-#undef NEGEMMLOWP_VALIDATE_DIMENSIONS
+    _memory_group.release();
+}
\ No newline at end of file
diff --git a/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp b/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp
new file mode 100644
index 0000000000..11ae054e11
--- /dev/null
+++ b/src/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.cpp
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "arm_compute/runtime/NEON/functions/NEGEMMLowpMatrixMultiplyCore.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleaveBlockedKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMLowpAssemblyBaseKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h"
+#include "arm_compute/core/NEON/kernels/arm64/NEGEMMLowpAArch64V8P4Kernel.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/runtime/NEON/NEScheduler.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+#include "support/ToolchainSupport.h"
+
+using namespace arm_compute;
+
+NEGEMMLowpMatrixMultiplyCore::NEGEMMLowpMatrixMultiplyCore(std::shared_ptr<IMemoryManager> memory_manager)
+    : _memory_group(std::move(memory_manager)), _mm_kernel(nullptr), _mtx_a_reshape_kernel(nullptr), _mtx_b_reshape_kernel(nullptr), _tmp_a(), _tmp_b()
+{
+}
+
+void NEGEMMLowpMatrixMultiplyCore::configure(const ITensor *a, const ITensor *b, ITensor *output)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(a, 1, DataType::U8);
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S32);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(a, b);
+    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(0) != (b)->info()->dimension(1), "The product AB is defined only if the number of columns in A is equal to the number of rows in B");
+    ARM_COMPUTE_ERROR_ON_MSG((a)->info()->dimension(1) != (output)->info()->dimension(1), "The output matrix must have the same number of rows as the matrix A");
+    ARM_COMPUTE_ERROR_ON_MSG((b)->info()->dimension(0) != (output)->info()->dimension(0), "The output matrix must have the same number of columns as the matrix B");
+
+#ifdef ARM_COMPUTE_AARCH64_V8_2
+    // Check for DOT product instruction
+    const struct CPUInfo ci              = NEScheduler::get().cpu_info();
+    const int            cpu_has_dotprod = static_cast<int>(ci.CPU) & static_cast<int>(CPUTarget::DOT);
+
+    if(cpu_has_dotprod != 0)
+    {
+        TensorShape shape_a_int = a->info()->tensor_shape();
+        shape_a_int.set(0, a->info()->dimension(0) * 8.f);
+        shape_a_int.set(1, std::ceil(a->info()->dimension(1) / 8.f));
+
+        TensorShape shape_b_int = b->info()->tensor_shape();
+        shape_b_int.set(0, b->info()->dimension(0) * 12.f);
+        shape_b_int.set(1, std::ceil(b->info()->dimension(1) / 12.f));
+
+        TensorInfo info_a_int(shape_a_int, 1, a->info()->data_type());
+        TensorInfo info_b_int(shape_b_int, 1, b->info()->data_type());
+        _tmp_a.allocator()->init(info_a_int);
+        _tmp_b.allocator()->init(info_b_int);
+        _memory_group.manage(&_tmp_a);
+        _memory_group.manage(&_tmp_b);
+
+        // Configure interleave blocked kernel for matrix A
+        {
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMInterleaveBlockedKernel>();
+            k->configure(a, &_tmp_a, 8, 4, false);
+            _mtx_a_reshape_kernel = std::move(k);
+        }
+
+        // Configure interleave blocked kernel for matrix B
+        {
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMInterleaveBlockedKernel>();
+            k->configure(b, &_tmp_b, 12, 4, true);
+            _mtx_b_reshape_kernel = std::move(k);
+        }
+
+        // Configure matrix multiply kernel
+        {
+            // NEGEMMLowpAArch64V8P4Kernel only compiled in AArch64 targets
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMLowpAArch64V8P4Kernel>();
+            k->configure(&_tmp_a, &_tmp_b, output);
+            _mm_kernel = std::move(k);
+        }
+    }
+    else
+#endif /* ARM_COMPUTE_AARCH64_V8_2 */
+    {
+        // The interleaved output matrix will have the following shape: [ a_height * 4, ceil(a_width / 4.0f) ]
+        TensorShape shape_tmp_a = a->info()->tensor_shape();
+        shape_tmp_a.set(0, a->info()->dimension(0) * 4);
+        shape_tmp_a.set(1, std::ceil(a->info()->dimension(1) / 4.f));
+
+        // The transpose1xW output matrix will have the following shape: [ b_height * 16, ceil(b_width / 16.0f) ]
+        TensorShape shape_tmp_b = b->info()->tensor_shape();
+        shape_tmp_b.set(0, b->info()->dimension(1) * 16);
+        shape_tmp_b.set(1, std::ceil(b->info()->dimension(0) / 16.f));
+
+        TensorInfo info_a(shape_tmp_a, 1, a->info()->data_type());
+        TensorInfo info_b(shape_tmp_b, 1, b->info()->data_type());
+        _tmp_a.allocator()->init(info_a);
+        _tmp_b.allocator()->init(info_b);
+        _memory_group.manage(&_tmp_a);
+        _memory_group.manage(&_tmp_b);
+
+        // Configure interleave kernel
+        {
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMInterleave4x4Kernel>();
+            k->configure(a, &_tmp_a);
+            _mtx_a_reshape_kernel = std::move(k);
+        }
+
+        // Configure transpose kernel
+        {
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMTranspose1xWKernel>();
+            k->configure(b, &_tmp_b);
+            _mtx_b_reshape_kernel = std::move(k);
+        }
+
+        // Configure matrix multiply kernel
+        {
+            auto k = arm_compute::support::cpp14::make_unique<NEGEMMLowpMatrixMultiplyKernel>();
+            k->configure(&_tmp_a, &_tmp_b, output);
+            _mm_kernel = std::move(k);
+        }
+    }
+
+    // Allocate tensors
+    _tmp_a.allocator()->allocate();
+    _tmp_b.allocator()->allocate();
+}
+
+void NEGEMMLowpMatrixMultiplyCore::run()
+{
+    _memory_group.acquire();
+
+    // Run reshape matrix A
+    NEScheduler::get().schedule(_mtx_a_reshape_kernel.get(), Window::DimY);
+
+    // Run reshape matrix B
+    NEScheduler::get().schedule(_mtx_b_reshape_kernel.get(), Window::DimY);
+
+    // Run matrix multiply kernel
+    NEScheduler::get().schedule(_mm_kernel.get(), Window::DimY);
+
+    _memory_group.release();
+}
\ No newline at end of file