COMPMID-677: Integrate HGEMM assembly kernel (generic CPUs)

Change-Id: I39abf367fe7ea1a54475e2ac0ecec12e90806899
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/95378
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>

5 files changed, 696 insertions, 2 deletions

diff --git a/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8.hpp b/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8.hpp
new file mode 100644
index 0000000000..ba6d2989c9
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8.hpp
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#if defined(__aarch64__) && defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC)
+
+// Get the components we need to implement SGEMM.
+// Can select appropriate components dependent on AArch32 vs. AArch64 etc. at build time.
+#include "a64_hgemm_24x8/generic.hpp"
+
+// 24x8 HGEMM "strategy" class.  Describes the kernel properties.
+//
+// The generic "gemm_opt" function will instantiate one of these (allowing
+// the constructor to pick a kernel implementation).
+class hgemm_24x8 {
+public:
+    typedef __fp16 operand_type;
+    typedef __fp16 result_type;
+
+    typedef void (*kern_type)(const __fp16 *, const __fp16 *, __fp16 *, int, int, int);
+
+    static const int A_block = 1;
+    static const int A_interleave = 8;
+    static const bool A_transpose = false;
+
+    static const int B_block = 1;
+    static const int B_interleave = 24;
+    static const bool B_transpose = true;
+
+    static const int out_width = 24;
+    static const int out_height = 8;
+    static const int k_unroll = 1;
+
+    kern_type kernel = nullptr;
+
+    hgemm_24x8(const struct CPUInfo *ci) {
+        kernel = a64_hgemm_asimd_24x8;
+    }
+};
+
+#endif // __aarch64__ and FP16_VECTOR_ARITHMETIC
diff --git a/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8/generic.hpp b/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8/generic.hpp
new file mode 100644
index 0000000000..03e2bb95a3
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/assembly/kernels/a64_hgemm_24x8/generic.hpp
@@ -0,0 +1,337 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#include <arm_neon.h>
+
+// Kernel implementation.
+//
+// Assume that "Apanel" points to a chunk of A blocks (each size 8xK) in read-order.
+// Assume that "Bpanel" points to a chunk of B blocks (each size 12xK) in read-order.
+// Assume that "Cpanel" points to a chunk of C output blocks (each size
+// 12x8), the chunks being arranged in a row major fashion.
+//
+// Note that the intent of this is that either ablocks or bblocks will be 1
+// - this construction allows the output loop to proceed in either order.
+
+inline void a64_hgemm_asimd_24x8(const __fp16 *Apanel, const __fp16 *Bpanel, __fp16 *Cpanel, int ablocks, int bblocks, int K) {
+    const __fp16 *a_ptr = Apanel;
+    __fp16 *c_ptr = Cpanel;
+    for (int yb=0; yb<ablocks; yb++) {
+        const __fp16 *a_ptr0 = a_ptr;
+        const __fp16 *b_ptr = Bpanel;
+
+        for (int xb=0; xb<bblocks; xb++) {
+            a_ptr = a_ptr0;
+            // Fix up for odd lengths - set a flag if K is odd, but make
+            // sure we round up the iteration count.
+            int oddk = (K & 1);
+            int k = ((K+1)/2) - 1;
+            register float16x8_t a0  asm("v0");
+            register float16x8_t a0a asm("v1");
+            register float16x8_t b0  asm("v2");
+            register float16x8_t b1  asm("v3");
+            register float16x8_t b2  asm("v4");
+            register float16x8_t b0a asm("v5");
+            register float16x8_t b1a asm("v6");
+            register float16x8_t b2a asm("v7");
+
+            __asm __volatile (
+                // Initialize result registers, load initial operands, prime prefetches.
+                "movi	v8.8h, #0x0\n"
+                "ldr	%q[a0], [%[a_ptr]]\n"
+                "movi	v9.8h, #0x0\n"
+                "ldr	%q[b0], [%[b_ptr]]\n"
+                "movi	v10.8h, #0x0\n"
+                "ldr	%q[b1], [%[b_ptr], #16]\n"
+                "movi	v11.8h, #0x0\n"
+                "ldr	%q[b2], [%[b_ptr], #32]\n"
+                "movi	v12.8h, #0x0\n"
+                "ldr	%q[b0a], [%[b_ptr], #48]\n"
+                "movi	v13.8h, #0x0\n"
+                "ldr	%q[b1a], [%[b_ptr], #64]\n"
+                "movi	v14.8h, #0x0\n"
+                ASM_PREFETCH("[%[b_ptr], #64]")
+                "movi	v15.8h, #0x0\n"
+                ASM_PREFETCH("[%[b_ptr], #128]")
+                "movi	v16.8h, #0x0\n"
+                ASM_PREFETCH("[%[a_ptr], #64]")
+                "movi	v17.8h, #0x0\n"
+                ASM_PREFETCH("[%[b_ptr], #192]")
+                "movi	v18.8h, #0x0\n"
+                ASM_PREFETCH("[%[b_ptr], #256]")
+                "movi	v19.8h, #0x0\n"
+                ASM_PREFETCH("[%[b_ptr], #320]")
+                "movi	v20.8h, #0x0\n"
+                "movi	v21.8h, #0x0\n"
+                "movi	v22.8h, #0x0\n"
+                "movi	v23.8h, #0x0\n"
+                "movi	v24.8h, #0x0\n"
+                "movi	v25.8h, #0x0\n"
+                "movi	v26.8h, #0x0\n"
+                "movi	v27.8h, #0x0\n"
+                "movi	v28.8h, #0x0\n"
+                "movi	v29.8h, #0x0\n"
+                "movi	v30.8h, #0x0\n"
+                "movi	v31.8h, #0x0\n"
+
+                // Skip loop if we are doing zero iterations of it.
+                "cbz	%w[k], 4f\n"
+
+                "1:\n"
+                "fmla 	v8.8h , %[b0].8h, %[a0].h[0]\n"
+                "fmla  	v9.8h , %[b0].8h, %[a0].h[1]\n"
+                "ldr	%q[a0a], [%[a_ptr], #16]\n"
+                "fmla	v10.8h, %[b0].8h, %[a0].h[2]\n"
+                "fmla	v11.8h, %[b0].8h, %[a0].h[3]\n"
+                "ldr	%q[b2a], [%[b_ptr], #80]\n"
+                "fmla 	v12.8h, %[b0].8h, %[a0].h[4]\n"
+                "fmla	v13.8h, %[b0].8h, %[a0].h[5]\n"
+                "fmla	v14.8h, %[b0].8h, %[a0].h[6]\n"
+                "fmla	v15.8h, %[b0].8h, %[a0].h[7]\n"
+                "ldr	%q[b0], [%[b_ptr], #96]\n"
+
+                "fmla	v16.8h, %[b1].8h, %[a0].h[0]\n"
+                "fmla	v17.8h, %[b1].8h, %[a0].h[1]\n"
+                ASM_PREFETCH("[%[a_ptr], #128]")
+                "fmla	v18.8h, %[b1].8h, %[a0].h[2]\n"
+                "fmla	v19.8h, %[b1].8h, %[a0].h[3]\n"
+                "add	%[b_ptr], %[b_ptr], #96\n"
+                "fmla	v20.8h, %[b1].8h, %[a0].h[4]\n"
+                "fmla	v21.8h, %[b1].8h, %[a0].h[5]\n"
+                "fmla	v22.8h, %[b1].8h, %[a0].h[6]\n"
+                "fmla	v23.8h, %[b1].8h, %[a0].h[7]\n"
+                "ldr	%q[b1], [%[b_ptr], #16]\n"
+
+                "fmla	v24.8h, %[b2].8h, %[a0].h[0]\n"
+                "fmla	v25.8h, %[b2].8h, %[a0].h[1]\n"
+                ASM_PREFETCH("[%[b_ptr], #288]")
+                "fmla	v26.8h, %[b2].8h, %[a0].h[2]\n"
+                "fmla	v27.8h, %[b2].8h, %[a0].h[3]\n"
+                "fmla	v28.8h, %[b2].8h, %[a0].h[4]\n"
+                "fmla	v29.8h, %[b2].8h, %[a0].h[5]\n"
+                "fmla	v30.8h, %[b2].8h, %[a0].h[6]\n"
+                "fmla	v31.8h, %[b2].8h, %[a0].h[7]\n"
+                "ldr	%q[a0], [%[a_ptr], #32]\n"
+
+                "fmla 	v8.8h , %[b0a].8h, %[a0a].h[0]\n"
+                "fmla	v9.8h , %[b0a].8h, %[a0a].h[1]\n"
+                "ldr	%q[b2], [%[b_ptr], #32]\n"
+                "fmla	v10.8h, %[b0a].8h, %[a0a].h[2]\n"
+                "fmla	v11.8h, %[b0a].8h, %[a0a].h[3]\n"
+                "fmla 	v12.8h, %[b0a].8h, %[a0a].h[4]\n"
+                "fmla	v13.8h, %[b0a].8h, %[a0a].h[5]\n"
+                "fmla	v14.8h, %[b0a].8h, %[a0a].h[6]\n"
+                "fmla	v15.8h, %[b0a].8h, %[a0a].h[7]\n"
+                "ldr	%q[b0a], [%[b_ptr], #48]\n"
+
+                "fmla	v16.8h, %[b1a].8h, %[a0a].h[0]\n"
+                "fmla	v17.8h, %[b1a].8h, %[a0a].h[1]\n"
+                ASM_PREFETCH("[%[b_ptr], #352]")
+                "fmla	v18.8h, %[b1a].8h, %[a0a].h[2]\n"
+                "fmla	v19.8h, %[b1a].8h, %[a0a].h[3]\n"
+                "fmla	v20.8h, %[b1a].8h, %[a0a].h[4]\n"
+                "fmla	v21.8h, %[b1a].8h, %[a0a].h[5]\n"
+                "fmla	v22.8h, %[b1a].8h, %[a0a].h[6]\n"
+                "fmla	v23.8h, %[b1a].8h, %[a0a].h[7]\n"
+                "ldr	%q[b1a], [%[b_ptr], #64]\n"
+
+                "fmla	v24.8h, %[b2a].8h, %[a0a].h[0]\n"
+                "fmla	v25.8h, %[b2a].8h, %[a0a].h[1]\n"
+                "add	%[a_ptr], %[a_ptr], #32\n"
+                "fmla	v26.8h, %[b2a].8h, %[a0a].h[2]\n"
+                "fmla	v27.8h, %[b2a].8h, %[a0a].h[3]\n"
+                "fmla	v28.8h, %[b2a].8h, %[a0a].h[4]\n"
+                "fmla	v29.8h, %[b2a].8h, %[a0a].h[5]\n"
+                "subs	%w[k], %w[k], #1\n"
+                "fmla	v30.8h, %[b2a].8h, %[a0a].h[6]\n"
+                "fmla	v31.8h, %[b2a].8h, %[a0a].h[7]\n"
+
+                "bne	1b\n"
+                "4:\n"
+
+                // Jump to odd tail if necessary.
+                "cbnz	%w[oddk], 2f\n"
+
+                // Even tail.
+                "fmla 	v8.8h , %[b0].8h, %[a0].h[0]\n"
+                "fmla   v9.8h , %[b0].8h, %[a0].h[1]\n"
+                "ldr	%q[a0a], [%[a_ptr], #16]\n"
+                "fmla	v10.8h, %[b0].8h, %[a0].h[2]\n"
+                "fmla	v11.8h, %[b0].8h, %[a0].h[3]\n"
+                "ldr	%q[b2a], [%[b_ptr], #80]\n"
+                "fmla 	v12.8h, %[b0].8h, %[a0].h[4]\n"
+                "fmla   v13.8h, %[b0].8h, %[a0].h[5]\n"
+                "fmla	v14.8h, %[b0].8h, %[a0].h[6]\n"
+                "fmla	v15.8h, %[b0].8h, %[a0].h[7]\n"
+
+                "fmla	v16.8h, %[b1].8h, %[a0].h[0]\n"
+                "fmla	v17.8h, %[b1].8h, %[a0].h[1]\n"
+                "add	%[b_ptr], %[b_ptr], #96\n"
+                "fmla	v18.8h, %[b1].8h, %[a0].h[2]\n"
+                "fmla	v19.8h, %[b1].8h, %[a0].h[3]\n"
+                "fmla	v20.8h, %[b1].8h, %[a0].h[4]\n"
+                "fmla	v21.8h, %[b1].8h, %[a0].h[5]\n"
+                "add	%[a_ptr], %[a_ptr], #32\n"
+                "fmla	v22.8h, %[b1].8h, %[a0].h[6]\n"
+                "fmla	v23.8h, %[b1].8h, %[a0].h[7]\n"
+
+                "fmla	v24.8h, %[b2].8h, %[a0].h[0]\n"
+                "fmla	v25.8h, %[b2].8h, %[a0].h[1]\n"
+                "fmla	v26.8h, %[b2].8h, %[a0].h[2]\n"
+                "fmla	v27.8h, %[b2].8h, %[a0].h[3]\n"
+                "fmla	v28.8h, %[b2].8h, %[a0].h[4]\n"
+                "fmla	v29.8h, %[b2].8h, %[a0].h[5]\n"
+                "fmla	v30.8h, %[b2].8h, %[a0].h[6]\n"
+                "fmla	v31.8h, %[b2].8h, %[a0].h[7]\n"
+
+                "fmla 	v8.8h , %[b0a].8h, %[a0a].h[0]\n"
+                "fmla	v16.8h, %[b1a].8h, %[a0a].h[0]\n"
+                "str	q8, [%[c_ptr]]\n"
+                "fmla	v24.8h, %[b2a].8h, %[a0a].h[0]\n"
+                "str	q16, [%[c_ptr], #16]\n"
+
+                "fmla  	v9.8h , %[b0a].8h, %[a0a].h[1]\n"
+                "str	q24, [%[c_ptr], #32]\n"
+                "fmla	v17.8h, %[b1a].8h, %[a0a].h[1]\n"
+                "str	q9, [%[c_ptr], #48]\n"
+                "fmla	v25.8h, %[b2a].8h, %[a0a].h[1]\n"
+                "str	q17, [%[c_ptr], #64]\n"
+
+                "fmla	v10.8h, %[b0a].8h, %[a0a].h[2]\n"
+                "str	q25, [%[c_ptr], #80]\n"
+                "fmla	v18.8h, %[b1a].8h, %[a0a].h[2]\n"
+                "str	q10, [%[c_ptr], #96]\n"
+                "fmla	v26.8h, %[b2a].8h, %[a0a].h[2]\n"
+                "str	q18, [%[c_ptr], #112]\n"
+
+                "fmla	v11.8h, %[b0a].8h, %[a0a].h[3]\n"
+                "str	q26, [%[c_ptr], #128]\n"
+                "fmla	v19.8h, %[b1a].8h, %[a0a].h[3]\n"
+                "str	q11, [%[c_ptr], #144]\n"
+                "fmla	v27.8h, %[b2a].8h, %[a0a].h[3]\n"
+                "str	q19, [%[c_ptr], #160]\n"
+
+                "fmla 	v12.8h, %[b0a].8h, %[a0a].h[4]\n"
+                "str	q27, [%[c_ptr], #176]\n"
+                "fmla	v20.8h, %[b1a].8h, %[a0a].h[4]\n"
+                "str	q12, [%[c_ptr], #192]\n"
+                "fmla	v28.8h, %[b2a].8h, %[a0a].h[4]\n"
+                "str	q20, [%[c_ptr], #208]\n"
+
+                "fmla  	v13.8h, %[b0a].8h, %[a0a].h[5]\n"
+                "str	q28, [%[c_ptr], #224]\n"
+                "fmla	v21.8h, %[b1a].8h, %[a0a].h[5]\n"
+                "str	q13, [%[c_ptr], #240]\n"
+                "fmla	v29.8h, %[b2a].8h, %[a0a].h[5]\n"
+                "str	q21, [%[c_ptr], #256]\n"
+
+                "fmla	v14.8h, %[b0a].8h, %[a0a].h[6]\n"
+                "str	q29, [%[c_ptr], #272]\n"
+                "fmla	v22.8h, %[b1a].8h, %[a0a].h[6]\n"
+                "str	q14, [%[c_ptr], #288]\n"
+                "fmla	v30.8h, %[b2a].8h, %[a0a].h[6]\n"
+                "str	q22, [%[c_ptr], #304]\n"
+
+                "fmla	v15.8h, %[b0a].8h, %[a0a].h[7]\n"
+                "str	q30, [%[c_ptr], #320]\n"
+                "fmla	v23.8h, %[b1a].8h, %[a0a].h[7]\n"
+                "str	q15, [%[c_ptr], #336]\n"
+                "fmla	v31.8h, %[b2a].8h, %[a0a].h[7]\n"
+                "b	3f\n"
+
+                // Odd tail
+                "2:\n"
+                "fmla 	v8.8h , %[b0].8h, %[a0].h[0]\n"
+                "add	%[b_ptr], %[b_ptr], #48\n"
+                "fmla	v16.8h, %[b1].8h, %[a0].h[0]\n"
+                "add	%[a_ptr], %[a_ptr], #16\n"
+                "str	q8, [%[c_ptr]]\n"
+                "fmla	v24.8h, %[b2].8h, %[a0].h[0]\n"
+                "str	q16, [%[c_ptr], #16]\n"
+
+                "fmla  	v9.8h , %[b0].8h, %[a0].h[1]\n"
+                "str	q24, [%[c_ptr], #32]\n"
+                "fmla	v17.8h, %[b1].8h, %[a0].h[1]\n"
+                "str	q9, [%[c_ptr], #48]\n"
+                "fmla	v25.8h, %[b2].8h, %[a0].h[1]\n"
+                "str	q17, [%[c_ptr], #64]\n"
+
+                "fmla	v10.8h, %[b0].8h, %[a0].h[2]\n"
+                "str	q25, [%[c_ptr], #80]\n"
+                "fmla	v18.8h, %[b1].8h, %[a0].h[2]\n"
+                "str	q10, [%[c_ptr], #96]\n"
+                "fmla	v26.8h, %[b2].8h, %[a0].h[2]\n"
+                "str	q18, [%[c_ptr], #112]\n"
+
+                "fmla	v11.8h, %[b0].8h, %[a0].h[3]\n"
+                "str	q26, [%[c_ptr], #128]\n"
+                "fmla	v19.8h, %[b1].8h, %[a0].h[3]\n"
+                "str	q11, [%[c_ptr], #144]\n"
+                "fmla	v27.8h, %[b2].8h, %[a0].h[3]\n"
+                "str	q19, [%[c_ptr], #160]\n"
+
+                "fmla 	v12.8h, %[b0].8h, %[a0].h[4]\n"
+                "str	q27, [%[c_ptr], #176]\n"
+                "fmla	v20.8h, %[b1].8h, %[a0].h[4]\n"
+                "str	q12, [%[c_ptr], #192]\n"
+                "fmla	v28.8h, %[b2].8h, %[a0].h[4]\n"
+                "str	q20, [%[c_ptr], #208]\n"
+
+                "fmla  	v13.8h, %[b0].8h, %[a0].h[5]\n"
+                "str	q28, [%[c_ptr], #224]\n"
+                "fmla	v21.8h, %[b1].8h, %[a0].h[5]\n"
+                "str	q13, [%[c_ptr], #240]\n"
+                "fmla	v29.8h, %[b2].8h, %[a0].h[5]\n"
+                "str	q21, [%[c_ptr], #256]\n"
+
+                "fmla	v14.8h, %[b0].8h, %[a0].h[6]\n"
+                "str	q29, [%[c_ptr], #272]\n"
+                "fmla	v22.8h, %[b1].8h, %[a0].h[6]\n"
+                "str	q14, [%[c_ptr], #288]\n"
+                "fmla	v30.8h, %[b2].8h, %[a0].h[6]\n"
+                "str	q22, [%[c_ptr], #304]\n"
+
+                "fmla	v15.8h, %[b0].8h, %[a0].h[7]\n"
+                "str	q30, [%[c_ptr], #320]\n"
+                "fmla	v23.8h, %[b1].8h, %[a0].h[7]\n"
+                "str	q15, [%[c_ptr], #336]\n"
+                "fmla	v31.8h, %[b2].8h, %[a0].h[7]\n"
+
+                "3:\n"
+                "str	q23, [%[c_ptr], #352]\n"
+                "str	q31, [%[c_ptr], #368]\n"
+                "add	%[c_ptr], %[c_ptr], #384\n"
+            :
+              [a_ptr] "+r" (a_ptr), [b_ptr] "+r" (b_ptr), [c_ptr] "+r" (c_ptr),
+              [a0] "+w" (a0), [a0a] "+w" (a0a),
+              [b0] "+w" (b0), [b1] "+w" (b1), [b2] "+w" (b2), [k] "+r" (k),
+              [b0a] "+w" (b0a), [b1a] "+w" (b1a), [b2a] "+w" (b2a)
+            : [oddk] "r" (oddk)
+            : "x20", "x21", "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", "v16", "v17", "v18",
+              "v19", "v20", "v21", "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", "cc", "memory"
+            );
+        }
+    }
+}
diff --git a/arm_compute/core/NEON/kernels/assembly/transforms/a64_interleave_8way_16bit.hpp b/arm_compute/core/NEON/kernels/assembly/transforms/a64_interleave_8way_16bit.hpp
new file mode 100644
index 0000000000..0c23cebe63
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/assembly/transforms/a64_interleave_8way_16bit.hpp
@@ -0,0 +1,165 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#ifdef __aarch64__
+
+#include <arm_neon.h>
+#include "../asmlib.hpp"
+
+
+template<>
+template<typename T>
+void TransformImpl<8, 1, false, 2, 2>::Transform(T *out, const T *in, int ldin, int y0, int ymax, int k0, int kmax) {
+    uint16_t *outptr = (uint16_t *)out;
+    const uint16_t *inptr = (const uint16_t *)in;
+
+    uint16_t zerobuff[24];
+
+    for (int y=y0; y<ymax; y+=8) {
+        const uint16_t *inptr0 = inptr + y * ldin + k0;
+        const uint16_t *inptr1 = inptr0 + ldin;
+        const uint16_t *inptr2 = inptr1 + ldin;
+        const uint16_t *inptr3 = inptr2 + ldin;
+        const uint16_t *inptr4 = inptr3 + ldin;
+        const uint16_t *inptr5 = inptr4 + ldin;
+        const uint16_t *inptr6 = inptr5 + ldin;
+        const uint16_t *inptr7 = inptr6 + ldin;
+
+        prefetch_2x(inptr0);
+        prefetch_2x(inptr1);
+        prefetch_2x(inptr2);
+        prefetch_2x(inptr3);
+        prefetch_2x(inptr4);
+        prefetch_2x(inptr5);
+        prefetch_2x(inptr6);
+        prefetch_2x(inptr7);
+
+        int x=(kmax-k0);
+        for (;x>7;x-=8) {
+            /* Cope with ragged cases by copying from a buffer of zeroes instead */
+            if ((y + 7) >= ymax) {
+                switch ((y + 7) - ymax) {
+                    /* Everything falls through in here */
+                    case 6:
+                        inptr1 = zerobuff;
+                    case 5:
+                        inptr2 = zerobuff;
+                    case 4:
+                        inptr3 = zerobuff;
+                    case 3:
+                        inptr4 = zerobuff;
+                    case 2:
+                        inptr5 = zerobuff;
+                    case 1:
+                        inptr6 = zerobuff;
+                    case 0:
+                        inptr7 = zerobuff;
+                    default:
+                        break;
+                }
+            }
+
+            int skippf = (x & 31);
+            __asm __volatile (
+                // Load up 8 elements (1 vector) from each of 8 sources.
+                "CBNZ	%w[skippf], 1f\n"
+                ASM_PREFETCH("[%[inptr0], #128]")
+                ASM_PREFETCH("[%[inptr1], #128]")
+                ASM_PREFETCH("[%[inptr2], #128]")
+                ASM_PREFETCH("[%[inptr3], #128]")
+                "1:\n"
+
+                "LDR	q0, [%[inptr0]], #16\n" // q0=A0A1A2A3A4A5A6A7
+                "LDR	q4, [%[inptr4]], #16\n" // q8=E0E1E2E3E4E5E6E7
+                "LDR	q2, [%[inptr2]], #16\n" // q4=C0C1C2C3...
+                "LDR	q6, [%[inptr6]], #16\n"
+                "ZIP1	v8.8h, v0.8h, v4.8h\n"  // q8=A0E0A1E1A2E2A3E3
+                "ZIP2	v16.8h, v0.8h, v4.8h\n" // q16=A4E4A5E5A6E6A7E7
+                "ZIP1	v9.8h, v2.8h, v6.8h\n"  // q9=C0G0C1G1C2G2C3G3
+                "ZIP2	v17.8h, v2.8h, v6.8h\n" // q17=C4G4C5G5C6G6C7G7
+                "LDR	q1, [%[inptr1]], #16\n" // q1=B0B1B2B3B4B5B6B7
+                "LDR	q5, [%[inptr5]], #16\n"
+                "LDR	q3, [%[inptr3]], #16\n" // q3=D0D1D2D3....
+                "LDR	q7, [%[inptr7]], #16\n"
+                "ZIP1	v10.8h, v1.8h, v5.8h\n" // q18=B0F0B1F1B2F2B3F3
+                "ZIP2	v18.8h, v1.8h, v5.8h\n" // q18=B4F4B5F5B6F6B7F7
+                "ZIP1	v11.8h, v3.8h, v7.8h\n" // q19=D0H0D1H1D2H2D3H3
+                "ZIP2	v19.8h, v3.8h, v7.8h\n" // q19=D4H4D5H5D6H6D7H7
+
+                "ZIP1	v12.8h,  v8.8h,  v9.8h\n" // q20=A0C0E0G0A1C1E1G1
+                "ZIP2	v20.8h,  v8.8h,  v9.8h\n"
+                "ZIP1	v13.8h, v10.8h, v11.8h\n" // q21=B0D0F0H0B1I1F1H1
+                "ZIP2	v21.8h, v10.8h, v11.8h\n"
+
+                "CBNZ	%w[skippf], 2f\n"
+                ASM_PREFETCH("[%[inptr4], #112]")
+                ASM_PREFETCH("[%[inptr5], #112]")
+                ASM_PREFETCH("[%[inptr6], #112]")
+                ASM_PREFETCH("[%[inptr7], #112]")
+                "2:\n"
+
+                "ZIP1	v22.8h, v16.8h, v17.8h\n"
+                "ZIP2	v30.8h, v16.8h, v17.8h\n"
+                "ZIP1	v23.8h, v18.8h, v19.8h\n"
+                "ZIP2	v31.8h, v18.8h, v19.8h\n"
+
+                "ZIP1	v14.8h, v12.8h, v13.8h\n" // q22=A0B0C0D0E0F0G0H0
+                "ZIP2	v15.8h, v12.8h, v13.8h\n" // q23=A1B1C1D1E1F1G1H1
+                "STP	q14, q15, [%[outptr]], #32\n" // Write back first two elements
+
+                "ZIP1	v0.8h, v20.8h, v21.8h\n"
+                "ZIP2	v1.8h, v20.8h, v21.8h\n"
+                "STP	q0, q1, [%[outptr]], #32\n" // Write back next two elements
+
+                "ZIP1	v2.8h, v22.8h, v23.8h\n"
+                "ZIP2	v3.8h, v22.8h, v23.8h\n"
+                "STP	q2, q3, [%[outptr]], #32\n" // Write back next two elements
+
+                "ZIP1	v4.8h, v30.8h, v31.8h\n"
+                "ZIP2	v5.8h, v30.8h, v31.8h\n"
+                "STP	q4, q5, [%[outptr]], #32\n" // Write back last two elements
+                : [inptr0] "+r" (inptr0), [inptr1] "+r" (inptr1), [inptr2] "+r" (inptr2), [inptr3] "+r" (inptr3),
+                  [inptr4] "+r" (inptr4), [inptr5] "+r" (inptr5), [inptr6] "+r" (inptr6), [inptr7] "+r" (inptr7), [outptr] "+r" (outptr)
+                : [skippf] "r" (skippf)
+                : "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "v12",
+                  "v13", "v14", "v15", "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", "v24",
+                  "v25", "v26", "v27", "v28", "v29", "v30", "v31"
+            );
+        }
+
+        for (;x>0;x--) {
+            *outptr++ = *inptr0++;
+            *outptr++ = *inptr1++;
+            *outptr++ = *inptr2++;
+            *outptr++ = *inptr3++;
+            *outptr++ = *inptr4++;
+            *outptr++ = *inptr5++;
+            *outptr++ = *inptr6++;
+            *outptr++ = *inptr7++;
+        }
+    }
+}
+
+#endif // __aarch64__
diff --git a/arm_compute/core/NEON/kernels/assembly/transforms/a64_transpose_interleave_24way_16bit.hpp b/arm_compute/core/NEON/kernels/assembly/transforms/a64_transpose_interleave_24way_16bit.hpp
new file mode 100644
index 0000000000..e440e3288f
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/assembly/transforms/a64_transpose_interleave_24way_16bit.hpp
@@ -0,0 +1,130 @@
+/*
+ * 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.
+ */
+#pragma once
+
+#ifdef __aarch64__
+
+#include "transpose_interleave_common.hpp"
+
+// Generic unblocked transposed 12x32-bit sized specialisation
+template <>
+template <typename T>
+inline void TransformImpl<12, 1, true, 4, 4>::Transform(
+    T* out, const T* const in, const int stride,
+    const int x0, const int xmax, const int k0, const int kmax
+) {
+  // Redirect to a 24 x uint16_t specialisation
+  TransformImpl<24, 1, true, 2, 2>::Transform(
+    reinterpret_cast<uint16_t *>(out),
+    reinterpret_cast<const uint16_t * const>(in),
+    stride*2, x0*2, xmax*2, k0, kmax
+  );
+}
+
+// Generic 24x16-bit sized specialisation
+template <>
+template <typename T>
+inline void TransformImpl<24, 1, true, 2, 2>::Transform(
+    T* out, const T* const in, const int stride,
+    const int x0, const int xmax, const int k0, const int kmax
+) {
+  // Redirect to a uint16_t specialisation
+  Transform(
+    reinterpret_cast<uint16_t *>(out),
+    reinterpret_cast<const uint16_t * const>(in),
+    stride, x0, xmax, k0, kmax
+  );
+}
+
+// Specialised 24 x uint16_t version
+template <>
+inline void TransposeInterleaveCommon<24, uint16_t, uint16_t>::moveblock_1x1(const uint16_t *&in0, uint16_t *out) {
+    __asm __volatile (
+        "LDP    q0, q1, [%[in0]], #32\n"
+        "STP    q0, q1, [%[out]]\n"
+        ASM_PREFETCH("[%[in0], #192]")
+        "LDR    q2, [%[in0]], #16\n"
+        "STR    q2, [%[out], #32]\n"
+    : [in0] "+r" (in0), [out] "+r" (out)
+    :
+    : "v0", "v1", "v2", "memory"
+    );
+}
+
+template <>
+inline void TransposeInterleaveCommon<24, uint16_t, uint16_t>::moveblock_1x2(const uint16_t *&in0, const uint16_t *&in1,uint16_t *out) {
+    __asm __volatile (
+        "LDP    q0, q1, [%[in0]], #32\n"
+        "STP    q0, q1, [%[out]]\n"
+        ASM_PREFETCH("[%[in0], #192]")
+        "LDR    q2, [%[in0]], #16\n"
+        "LDP	q3, q4, [%[in1]], #32\n"
+        "STP    q2, q3, [%[out], #32]\n"
+        ASM_PREFETCH("[%[in1], #192]")
+        "LDR	q5, [%[in1]], #16\n"
+        "STP    q4, q5, [%[out], #64]\n"
+    : [in0] "+r" (in0), [in1] "+r" (in1), [out] "+r" (out)
+    :
+    : "v0", "v1", "v2", "v3", "v4", "v5", "memory"
+    );
+}
+
+template <>
+inline void TransposeInterleaveCommon<24, uint16_t, uint16_t>::moveblock_1x4(const uint16_t *&in0, const uint16_t *&in1, const uint16_t *&in2, const uint16_t *&in3, uint16_t *out) {
+    __asm __volatile (
+        "LDP    q0, q1, [%[in0]], #32\n"
+        "STP    q0, q1, [%[out]]\n"
+        "LDR    q2, [%[in0]], #16\n"
+        ASM_PREFETCH("[%[in0], #192]")
+        "LDP	q3, q4, [%[in1]], #32\n"
+        "STP    q2, q3, [%[out], #32]\n"
+        "LDR	q5, [%[in1]], #16\n"
+        ASM_PREFETCH("[%[in1], #192]")
+        "STP    q4, q5, [%[out], #64]\n"
+        "LDP	q6, q7, [%[in2]], #32\n"
+        "STP    q6, q7, [%[out], #96]\n"
+        "LDR	q8, [%[in2]], #16\n"
+        ASM_PREFETCH("[%[in2], #192]")
+        "LDP	q9, q10, [%[in3]], #32\n"
+        "STP    q8, q9, [%[out], #128]\n"
+        "LDR	q11, [%[in3]], #16\n"
+        "STP    q10, q11, [%[out], #160]\n"
+        ASM_PREFETCH("[%[in3], #192]")
+
+    : [in0] "+r" (in0), [in1] "+r" (in1), [in2] "+r" (in2), [in3] "+r" (in3), [out] "+r" (out)
+    :
+    : "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "v9", "v10", "v11", "memory"
+    );
+}
+
+template <>
+template <>
+inline void TransformImpl<24, 1, true, 2, 2>::Transform(
+    uint16_t* out, const uint16_t* const in, const int stride,
+    const int x0, const int xmax, const int k0, const int kmax
+) {
+  TransposeInterleaveCommon<24, uint16_t, uint16_t>::Transform(out, in, stride, x0, xmax, k0, kmax);
+}
+
+#endif  // __arch64__
diff --git a/arm_compute/core/NEON/kernels/assembly/transforms/list.hpp b/arm_compute/core/NEON/kernels/assembly/transforms/list.hpp
index 13e1b5468b..8a2213f7fe 100644
--- a/arm_compute/core/NEON/kernels/assembly/transforms/list.hpp
+++ b/arm_compute/core/NEON/kernels/assembly/transforms/list.hpp
@@ -23,10 +23,10 @@
  */
 #include "a32_interleave_6way_32bit.hpp"
 #include "a32_transpose_interleave_8way_32bit.hpp"
-//#include "a64_interleave_8way_16bit.hpp"
+#include "a64_interleave_8way_16bit.hpp"
 #include "a64_interleave_8way_32bit.hpp"
 //#include "a64_interleave_8way_half_to_float.hpp"
 //#include "a64_transpose_interleave_12way_16bit.hpp"
 //#include "a64_transpose_interleave_12way_half_to_float.hpp"
-//#include "a64_transpose_interleave_24way_16bit.hpp"
+#include "a64_transpose_interleave_24way_16bit.hpp"
 #include "transpose_interleave_common.hpp"