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Diffstat (limited to 'src/core/CL/cl_kernels/direct_convolution.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/direct_convolution.cl | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/direct_convolution.cl b/src/core/CL/cl_kernels/direct_convolution.cl new file mode 100644 index 0000000000..3efb01b0b5 --- /dev/null +++ b/src/core/CL/cl_kernels/direct_convolution.cl @@ -0,0 +1,602 @@ +/* + * Copyright (c) 2021 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 "gemm_helpers.h" +#include "helpers.h" +#include "helpers_asymm.h" +#include "repeat.h" + +#define CONCAT(a, b) a##b + +#if defined(IS_QUANTISED) + +#define ARM_OFFSET1(a, b, c) \ + ({ \ + c += (ACC_DATA_TYPE)a * (ACC_DATA_TYPE)b; \ + }) +#define ARM_OFFSET2(a, b, c) \ + ({ \ + c += (ACC_DATA_TYPE)a.s0 * (ACC_DATA_TYPE)b; \ + c += (ACC_DATA_TYPE)a.s1 * (ACC_DATA_TYPE)b; \ + }) +#define ARM_OFFSET3(a, b, c) \ + ({ \ + ARM_OFFSET2(a, b, c); \ + c += (ACC_DATA_TYPE)a.s2 * (ACC_DATA_TYPE)b; \ + }) +#define ARM_OFFSET4(a, b, c) \ + ({ \ + ARM_OFFSET3(a, b, c); \ + c += (ACC_DATA_TYPE)a.s3 * (ACC_DATA_TYPE)b; \ + }) +#define ARM_OFFSET8(a, b, c) \ + ({ \ + ARM_OFFSET4((a.lo), (b), c); \ + ARM_OFFSET4((a.hi), (b), c); \ + }) +#define ARM_OFFSET16(a, b, c) \ + ({ \ + ARM_OFFSET8((a.lo), (b), c); \ + ARM_OFFSET8((a.hi), (b), c); \ + }) + +#if N0 == 1 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c)); \ + }) +#elif N0 == 2 // N) == 3 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##1), (a_offset), (c.s1)); \ + }) +#elif N0 == 3 // N0 == 3 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##1), (a_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##2), (a_offset), (c.s2)); \ + }) +#elif N0 == 4 // N0 == 4 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##1), (a_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##2), (a_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s3)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##3), (a_offset), (c.s3)); \ + }) +#elif N0 == 8 // N0 == 8 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##1), (a_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##2), (a_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s3)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##3), (a_offset), (c.s3)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s4)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##4), (a_offset), (c.s4)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s5)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##5), (a_offset), (c.s5)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s6)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##6), (a_offset), (c.s6)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s7)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##7), (a_offset), (c.s7)); \ + }) +#elif N0 == 16 // N0 == 16 +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({ \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##0), (a_offset), (c.s0)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##1), (a_offset), (c.s1)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##2), (a_offset), (c.s2)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s3)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##3), (a_offset), (c.s3)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s4)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##4), (a_offset), (c.s4)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s5)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##5), (a_offset), (c.s5)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s6)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##6), (a_offset), (c.s6)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s7)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##7), (a_offset), (c.s7)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s8)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##8), (a_offset), (c.s8)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.s9)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##9), (a_offset), (c.s9)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sA)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##A), (a_offset), (c.sA)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sB)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##B), (a_offset), (c.sB)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sC)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##C), (a_offset), (c.sC)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sD)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##D), (a_offset), (c.sD)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sE)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##E), (a_offset), (c.sE)); \ + CONCAT(ARM_OFFSET, k0) \ + ((a), (b_offset), (c.sF)); \ + CONCAT(ARM_OFFSET, k0) \ + ((b##F), (a_offset), (c.sF)); \ + }) +#else // N0 not supported +#error "N0 value not supported" +#endif // N0 conditions +#else // defined(IS_QUANTISED) +#define ARM_OFFSET_K0XN0(k0, a, b, a_offset, b_offset, c) \ + ({}) +#endif // defined(IS_QUANTISED) + +#if defined(ARM_COMPUTE_OPENCL_DOT8_ENABLED) && defined(cl_arm_integer_dot_product_int8) && defined(IS_QUANTISED) +#if defined(ARM_COMPUTE_OPENCL_DOT8_ACC_ENABLED) && defined(cl_arm_integer_dot_product_accumulate_int8) +#define ARM_DOT(x, y, val) val = arm_dot_acc((x), (y), (val)); +#else // defined(ARM_COMPUTE_OPENCL_DOT8_ACC_ENABLED) && defined(cl_arm_integer_dot_product_accumulate_int8) +#define ARM_DOT(x, y, val) val += arm_dot((x), (y)); +#endif // defined(ARM_COMPUTE_OPENCL_DOT8_ACC_ENABLED) && defined(cl_arm_integer_dot_product_accumulate_int8) + +#define ARM_DOT1(a, b, c) \ + ({ \ + ARM_DOT((VEC_DATA_TYPE(SRC_DATA_TYPE, 4))(a, (VEC_DATA_TYPE(SRC_DATA_TYPE, 3))0), (VEC_DATA_TYPE(WEI_DATA_TYPE, 4))(b, (VEC_DATA_TYPE(WEI_DATA_TYPE, 3))0), c); \ + }) +#define ARM_DOT2(a, b, c) \ + ({ \ + ARM_DOT((VEC_DATA_TYPE(SRC_DATA_TYPE, 4))(a, (VEC_DATA_TYPE(SRC_DATA_TYPE, 2))0), (VEC_DATA_TYPE(WEI_DATA_TYPE, 4))(b, (VEC_DATA_TYPE(WEI_DATA_TYPE, 2))0), c); \ + }) +#define ARM_DOT3(a, b, c) \ + ({ \ + ARM_DOT((VEC_DATA_TYPE(SRC_DATA_TYPE, 4))(a, (SRC_DATA_TYPE)0), (VEC_DATA_TYPE(WEI_DATA_TYPE, 4))(b, (WEI_DATA_TYPE)0), c); \ + }) +#define ARM_DOT4(a, b, c) \ + ({ \ + ARM_DOT(a, b, c); \ + }) +#define ARM_DOT8(a, b, c) \ + ({ \ + ARM_DOT4((a.lo), (b.lo), c); \ + ARM_DOT4((a.hi), (b.hi), c); \ + }) +#define ARM_DOT16(a, b, c) \ + ({ \ + ARM_DOT8((a.lo), (b.lo), c); \ + ARM_DOT8((a.hi), (b.hi), c); \ + }) + +#else // defined(ARM_COMPUTE_OPENCL_DOT8_ENABLED) && defined(cl_arm_integer_dot_product_int8) && defined(IS_QUANTISED) + +#define ARM_DOT1(a, b, c) \ + ({ \ + c += (ACC_DATA_TYPE)a * (ACC_DATA_TYPE)b; \ + }) +#define ARM_DOT2(a, b, c) \ + ({ \ + c += (ACC_DATA_TYPE)a.s0 * (ACC_DATA_TYPE)b.s0; \ + c += (ACC_DATA_TYPE)a.s1 * (ACC_DATA_TYPE)b.s1; \ + }) +#define ARM_DOT3(a, b, c) \ + ({ \ + ARM_DOT2(a, b, c); \ + c += (ACC_DATA_TYPE)a.s2 * (ACC_DATA_TYPE)b.s2; \ + }) +#define ARM_DOT4(a, b, c) \ + ({ \ + ARM_DOT3(a, b, c); \ + c += (ACC_DATA_TYPE)a.s3 * (ACC_DATA_TYPE)b.s3; \ + }) +#define ARM_DOT8(a, b, c) \ + ({ \ + ARM_DOT4((a.lo), (b.lo), c); \ + ARM_DOT4((a.hi), (b.hi), c); \ + }) +#define ARM_DOT16(a, b, c) \ + ({ \ + ARM_DOT8((a.lo), (b.lo), c); \ + ARM_DOT8((a.hi), (b.hi), c); \ + }) +#endif // defined(ARM_COMPUTE_OPENCL_DOT8_ENABLED) && defined(cl_arm_integer_dot_product_int8) + +#if N0 == 1 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c)); \ + }) +#elif N0 == 2 // N) == 3 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c.s0)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##1), (c.s1)); \ + }) +#elif N0 == 3 // N0 == 3 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c.s0)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##1), (c.s1)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##2), (c.s2)); \ + }) +#elif N0 == 4 // N0 == 4 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c.s0)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##1), (c.s1)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##2), (c.s2)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##3), (c.s3)); \ + }) +#elif N0 == 8 // N0 == 8 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c.s0)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##1), (c.s1)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##2), (c.s2)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##3), (c.s3)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##4), (c.s4)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##5), (c.s5)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##6), (c.s6)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##7), (c.s7)); \ + }) +#elif N0 == 16 // N0 == 16 +#define ARM_DOT_K0XN0(k0, a, b, c) \ + ({ \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##0), (c.s0)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##1), (c.s1)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##2), (c.s2)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##3), (c.s3)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##4), (c.s4)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##5), (c.s5)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##6), (c.s6)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##7), (c.s7)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##8), (c.s8)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##9), (c.s9)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##A), (c.sA)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##B), (c.sB)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##C), (c.sC)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##D), (c.sD)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##E), (c.sE)); \ + CONCAT(ARM_DOT, k0) \ + ((a), (b##F), (c.sF)); \ + }) +#else // N0 not supported +#error "N0 value not supported" +#endif // N0 conditions + +/** OpenCL kernel to compute the direct convolution. + * + * @note Data layout supported: NHWC + * @note Data type supported: F32/F16/QASYMM8 + * @note The data type must be passed at compile time using -DDATA_TYPE (e.g. -DDATA_TYPE=half) + * @note The accumulation data type must be passed at compile time using -DACC_DATA_TYPE (e.g. -DDATA_TYPE_PROMOTED=half) + * @note The convolution padding (left and top) must be passed at compile time using -DPAD_LEFT and -DPAD_TOP (e.g. -DPAD_LEFT=2, -DPAD_TOP=2) + * @note The convolution strides must be passed at compile time using -DSTRIDE and -DPAD_TOP (e.g. -DPAD_LEFT=2, -DPAD_TOP=2) + * @note The spatial dimensions of the weights must be passed at compile time using -DWEI_WIDTH and -DWEI_HEIGHT (e.g. -DWEI_WIDTH=9, -DWEI_HEIGHT=9) + * @note The spatial dimensions of the source tensor must be passed at compile time using -DSRC_WIDTH and -DSRC_HEIGHT (e.g. -DSRC_WIDTH=96, -DSRC_HEIGHT=64) + * @note The spatial dimensions of the destination tensor must be passed at compile time using -DDST_WIDTH and -DDST_HEIGHT (e.g. -DDST_WIDTH=96, -DDST_HEIGHT=64) + * @note The channels of the source tensor must be passed at compile time using -DSRC_CHANNELS (e.g. -DSRC_CHANNELS=64) + * @note The channels of the destination tensor must be passed at compile time using -DDST_CHANNELS (e.g. -DDDST_CHANNELS=64) + * @note The data type of the source tensor must be passed at compile time using -DSRC_DATA_TYPE (e.g. -DSRC_DATA_TYPE=float) + * @note The data type of the weights tensor must be passed at compile time using -DWEI_DATA_TYPE (e.g. -DWEI_DATA_TYPE=float) + * @note The data type of the destination tensor must be passed at compile time using -DDST_DATA_TYPE (e.g. -DDST_DATA_TYPE=float) + * @note The data type of the accumulators must be passed at compile time using -DACC_DATA_TYPE (e.g. -DACC_DATA_TYPE=float) + * @note The number of M0 rows (width*height) to process must be passed at compile time using -DM0 (e.g. -DM0=2) + * @note The number of N0 output channels to process must be passed at compile time using -DN0 (e.g. -DN0=2) + * @note The number of K0 inner accumulations must be passed at compile time using -DK0 (e.g. -DK0=2) + * @note The size of the partial store block in y must be passed at compile time using -DPARTIAL_STORE_M0 (e.g. -DPARTIAL_STORE_M0=1) + * @note The size of the partial store block in x must be passed at compile time using -DPARTIAL_STORE_N0 (e.g. -DPARTIAL_STORE_N0=1) + * @note Only the following configurations of M0, N0 and K0 are currently supported: + * - M0 = 1 + * - N0 = 2, 3, 4, 8, 16 + * - K0 = 2, 3, 4, 8, 16 + * + *@note In case of QASYMM8, the following extra information must be passed at compile time: + * - -DIS_QUANTISED + * - The destination quantization multiplier e.g. -DDST_MULTIPLIER=1234 + * - The destination quantization shift e.g. -DDST_SHIFT=4 + * - The destination offset e.g. -DDST_OFFSET=4 + * - The source offset e.g. -DSRC_OFFSET=4 + * - The weights offset e.g. -DWEI_OFFSET=4 + * + * @param[in] src_ptr Pointer to the source tensor. Supported data type: F16/F32 + * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) + * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) + * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) + * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor + * @param[out] dst_ptr Pointer to the destination tensor. Supported data type: same as @p src_ptr + * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) + * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) + * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] dst_stride_z Stride of the destination tensor in Z dimension (in bytes) + * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor + * @param[in] wei_ptr Pointer to the weights tensor. Supported data type: same as @p src_ptr + * @param[in] wei_stride_x Stride of the weights tensor in X dimension (in bytes) + * @param[in] wei_step_x wei_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] wei_stride_y Stride of the weights tensor in Y dimension (in bytes) + * @param[in] wei_step_y wei_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] wei_stride_z Stride of the weights tensor in Z dimension (in bytes) + * @param[in] wei_step_z wei_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] wei_offset_first_element_in_bytes The offset of the first element in the bias matrix + * @param[in] bia_ptr (Optional) Pointer to the bias tensor Supported data type: same as @p src_ptr (if F32/F16) or S32 (if QASYMM8) + * @param[in] bia_stride_x (Optional) Stride of the bias tensor in X dimension (in bytes) + * @param[in] bia_step_x (Optional) bia_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] bia_offset_first_element_in_bytes (Optional) The offset of the first element in the bias matrix + * @param[in] wei_stride_w Stride of the weights tensor in W dimension (in bytes) + */ +__kernel void direct_convolution_nhwc( + TENSOR3D_DECLARATION(src), + TENSOR3D_DECLARATION(dst), + TENSOR3D_DECLARATION(wei), +#if defined(HAS_BIAS) + VECTOR_DECLARATION(bia), +#endif // defined(HAS_BIAS) + unsigned int wei_stride_w) +{ +#if M0 != 1 +#error "M0: Only supported 1" +#endif // M0 != 1 + + const int cout = max((int)(get_global_id(0) * N0 - (N0 - PARTIAL_STORE_N0) % N0), 0); // input channels + const int mout = get_global_id(1); // width x height + const int zout = get_global_id(2); // batch size index + + REPEAT_VAR_INIT_TO_CONST(16, int, zero, 0); + REPEAT_VAR_INIT_TO_CONST(M0, int, xi, 0); + REPEAT_VAR_INIT_TO_CONST(M0, int, yi, 0); + +#define LINEAR_2_COORDS(i) \ + xi##i = ((mout * M0 + i) % DST_WIDTH) * STRIDE_X; \ + yi##i = ((mout * M0 + i) / DST_WIDTH) * STRIDE_Y; \ + xi##i -= PAD_LEFT; \ + yi##i -= PAD_TOP; + + // Convert the linear index to coordinate + LINEAR_2_COORDS(0); + +#undef LINEAR_2_COORDS + + uint src_offset = src_offset_first_element_in_bytes + zout * src_stride_y * (SRC_WIDTH * SRC_HEIGHT); + uint wei_offset = wei_offset_first_element_in_bytes + cout * wei_stride_w; + + // Initialize the accumulators + REPEAT_VAR_INIT_TO_CONST(M0, VEC_DATA_TYPE(ACC_DATA_TYPE, N0), c, 0); + + for(int i = 0; i < (WEI_WIDTH * WEI_HEIGHT); ++i) + { + int tmp = 0; + int xk = i % WEI_WIDTH; + int yk = i / WEI_WIDTH; + + REPEAT_VAR_INIT_TO_CONST(M0, int, mi_valid_row, 0); + REPEAT_VAR_INIT_TO_CONST(M0, int, mi_mask, 1); + + // Calculate the input row to read from source tensor +#define MI_INIT(i) \ + tmp = xi##i + xk + (yi##i + yk) * SRC_WIDTH; \ + mi_valid_row##i = max(min(xi##i + xk, SRC_WIDTH - 1), 0) + max(min(yi##i + yk, SRC_HEIGHT - 1), 0) * SRC_WIDTH; \ + if(tmp == mi_valid_row##i) \ + mi_mask##i = 1; \ + else \ + mi_mask##i = 0; + + MI_INIT(0); + +#undef MI_INIT + + int k = 0; + for(; k <= (SRC_CHANNELS - K0); k += K0) + { + // Load values from src tensor + LOAD_BLOCK_INDIRECT(M0, K0, SRC_DATA_TYPE, a, src_ptr, src_offset + k * sizeof(SRC_DATA_TYPE), src_stride_y, mi_valid_row, mi_mask); + + // Load values from weights tensor + LOAD_BLOCK(N0, K0, WEI_DATA_TYPE, b, wei_ptr, wei_offset, wei_stride_w, zero); + +#define TENSOR_DOT(i) \ + ARM_DOT_K0XN0(K0, a##i, b, c##i); \ + ARM_OFFSET_K0XN0(K0, a##i, b, SRC_OFFSET, WEI_OFFSET, c##i); + + TENSOR_DOT(0); + +#undef TENSOR_DOT + + wei_offset += K0 * sizeof(WEI_DATA_TYPE); + } + +#if(SRC_CHANNELS % K0) != 0 + // Left-over accumulations + for(; i < SRC_CHANNELS; ++i) + { + // Load values from src tensor + LOAD_BLOCK_INDIRECT(M0, 1, SRC_DATA_TYPE, a, src_ptr, src_offset_first_element_in_bytes + k * sizeof(SRC_DATA_TYPE), src_stride_y, mi_valid_row, mi_mask); + + // Load values from weights tensor + LOAD_BLOCK(N0, 1, WEI_DATA_TYPE, b, wei_ptr, wei_offset, wei_stride_w, zero); + +#define TENSOR_DOT(i) \ + ARM_DOT_K0XN0(1, a##i, b, c##i); \ + ARM_OFFSET_K0XN0(1, a##i, b, SRC_OFFSET, WEI_OFFSET, c##i); + + TENSOR_DOT(0); + +#undef TENSOR_DOT + + wei_offset += sizeof(WEI_DATA_TYPE); + } +#endif // (SRC_CHANNELS % K0) != 0 + + c0 += (SRC_CHANNELS * SRC_OFFSET * WEI_OFFSET); + } + + __global uchar *dst_addr = dst_ptr + dst_offset_first_element_in_bytes + (cout * sizeof(DST_DATA_TYPE)) + (mout * M0 * dst_stride_y); + + // Batched direct convolution + dst_addr += zout * dst_stride_y * (DST_WIDTH * DST_HEIGHT); + +#if defined(HAS_BIAS) + __global uchar *bias_addr = bia_ptr + bia_offset_first_element_in_bytes + (cout * sizeof(BIA_DATA_TYPE)); + + LOAD_BLOCK(1, N0, BIA_DATA_TYPE, bias, bias_addr, 0, zero0, zero); + + // c = c + bias[broadcasted] + ADD_BLOCK_BROADCAST(M0, c, bias0); +#endif // HAS_BIAS + +#if defined(IS_QUANTISED) + + REPEAT_VAR_INIT_TO_CONST(M0, VEC_DATA_TYPE(DST_DATA_TYPE, N0), cq, 0); + +#if DST_SHIFT < 0 +#define QUANTISE(i) \ + c##i = ASYMM_MULT_BY_QUANT_MULTIPLIER_GREATER_THAN_ONE(c##i, DST_MULTIPLIER, DST_SHIFT, N0); \ + c##i = c##i + DST_OFFSET; \ + cq##i = CONVERT_SAT(c##i, VEC_DATA_TYPE(DST_DATA_TYPE, N0)); +#else // OUTPUT_SHIFT < 0 +#define QUANTISE(i) \ + c##i = ASYMM_MULT_BY_QUANT_MULTIPLIER_LESS_THAN_ONE(c##i, DST_MULTIPLIER, DST_SHIFT, N0); \ + c##i = c##i + DST_OFFSET; \ + cq##i = CONVERT_SAT(c##i, VEC_DATA_TYPE(DST_DATA_TYPE, N0)); +#endif // OUTPUT_SHIFT < 0 + + QUANTISE(0); + +#undef QUANTISE + + STORE_VECTOR_SELECT(cq, DST_DATA_TYPE, dst_addr, N0, PARTIAL_STORE_N0, PARTIAL_STORE_N0 != 0 && get_global_id(0) == 0); +#else // defined(IS_QUANTISED) + STORE_VECTOR_SELECT(c, DST_DATA_TYPE, dst_addr, N0, PARTIAL_STORE_N0, PARTIAL_STORE_N0 != 0 && get_global_id(0) == 0); +#endif // defined(IS_QUANTISED) +}
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