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author | Chunosov <N.Chunosov@yandex.ru> | 2017-11-03 17:33:15 +0700 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | d621bca4e963555a99be4328c8d49d1813789649 (patch) | |
tree | 59503f9d4cdbaafefdba5a2569bf3d88082ad09d /src/core/CL/cl_kernels | |
parent | 5a99ddf2dcf3a5eb49ea85cb8bcc6a43f1496e5e (diff) | |
download | ComputeLibrary-d621bca4e963555a99be4328c8d49d1813789649.tar.gz |
COMPMID-661: directconv-uint8 (#20)
Change-Id: I84f7a1ce3658be0d3c91e65096467258af48f0b6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/94341
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'src/core/CL/cl_kernels')
-rw-r--r-- | src/core/CL/cl_kernels/direct_convolution_1x1_3x3_5x5_quantized.cl | 252 | ||||
-rw-r--r-- | src/core/CL/cl_kernels/helpers_asymm.h | 91 |
2 files changed, 343 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/direct_convolution_1x1_3x3_5x5_quantized.cl b/src/core/CL/cl_kernels/direct_convolution_1x1_3x3_5x5_quantized.cl new file mode 100644 index 0000000000..7a860f2008 --- /dev/null +++ b/src/core/CL/cl_kernels/direct_convolution_1x1_3x3_5x5_quantized.cl @@ -0,0 +1,252 @@ +/* + * 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 "helpers_asymm.h" + +#undef CONVERT_SAT + +#if defined(DATA_TYPE) && defined(STRIDE_X) && defined(WEIGHTS_DEPTH) + +#if KERNEL_SIZE == 5 + +#if STRIDE_X == 1 +#define CONVOLUTION1x5(acc, src_row_ptr, weights_row_ptr) CONVOLUTION1x5_STRIDE1(acc, src_row_ptr, weights_row_ptr) +#elif STRIDE_X == 2 +#define CONVOLUTION1x5(acc, src_row_ptr, weights_row_ptr) CONVOLUTION1x5_STRIDE2(acc, src_row_ptr, weights_row_ptr) +#else /* STRIDE_X not equals 1 or 2 */ +#error "STRIDE_X larger than 2 is not supported" +#endif /* STRIDE_X */ + +#define CONVOLUTION1x5_STRIDE1(acc, src_row_ptr, weights_row_ptr) \ + ({ \ + int4 weights_values0 = convert_int4(vload4(0, weights_row_ptr)); \ + int weights_value1 = convert_int(*(weights_row_ptr + 4)); \ + int8 src0 = convert_int8(vload8(0, src_row_ptr)); \ + int4 src1 = convert_int4(vload4(0, src_row_ptr + 8)); \ + acc += (src0 + input_offset) * ((int8)weights_values0.s0 + weight_offset); \ + acc += ((int8)(src0.s1234, src0.s567, src1.s0) + input_offset) * ((int8)weights_values0.s1 + weight_offset); \ + acc += ((int8)(src0.s234, src0.s567, src1.s01) + input_offset) * ((int8)weights_values0.s2 + weight_offset); \ + acc += ((int8)(src0.s345, src0.s67, src1.s012) + input_offset) * ((int8)weights_values0.s3 + weight_offset); \ + acc += ((int8)(src0.s45, src0.s67, src1.s0123) + input_offset) * ((int8)weights_value1 + weight_offset); \ + }) + +#define CONVOLUTION1x5_STRIDE2(acc, src_row_ptr, weights_row_ptr) \ + ({ \ + int4 weights_values0 = convert_int4(vload4(0, weights_row_ptr)); \ + int weights_value1 = convert_int(*(weights_row_ptr + 4)); \ + int16 src0 = convert_int16(vload16(0, src_row_ptr)); \ + int4 src1 = convert_int4(vload4(0, src_row_ptr + 16)); \ + acc += (src0.even + input_offset) * ((int8)weights_values0.s0 + weight_offset); \ + acc += ((int8)(src0.s1357, src0.s9BDF) + input_offset) * ((int8)weights_values0.s1 + weight_offset); \ + acc += ((int8)(src0.s2468, src0.sACE, src1.s0) + input_offset) * ((int8)weights_values0.s2 + weight_offset); \ + acc += ((int8)(src0.s3579, src0.sBDF, src1.s1) + input_offset) * ((int8)weights_values0.s3 + weight_offset); \ + acc += ((int8)(src0.s468a, src0.sCE, src1.s02) + input_offset) * ((int8)weights_value1 + weight_offset); \ + }) + +#elif KERNEL_SIZE == 3 + +#if STRIDE_X == 1 +#define CONVOLUTION1x3(acc, src_row_ptr, weights_row_ptr) CONVOLUTION1x3_STRIDE1(acc, src_row_ptr, weights_row_ptr) +#elif STRIDE_X == 2 +#define CONVOLUTION1x3(acc, src_row_ptr, weights_row_ptr) CONVOLUTION1x3_STRIDE2(acc, src_row_ptr, weights_row_ptr) +#else /* STRIDE_X not equals 1 or 2 */ +#error "STRIDE_X larger than 2 is not supported" +#endif /* STRIDE_X */ + +#define CONVOLUTION1x3_STRIDE1(acc, src_row_ptr, weights_row_ptr) \ + ({ \ + int3 weights_values0 = convert_int3(vload3(0, weights_row_ptr)); \ + int8 src0 = convert_int8(vload8(0, src_row_ptr)); \ + int2 src1 = convert_int2(vload2(0, src_row_ptr + 8)); \ + acc += (src0 + input_offset) * ((int8)weights_values0.s0 + weight_offset); \ + acc += ((int8)(src0.s1234, src0.s567, src1.s0) + input_offset) * ((int8)weights_values0.s1 + weight_offset); \ + acc += ((int8)(src0.s234, src0.s567, src1.s01) + input_offset) * ((int8)weights_values0.s2 + weight_offset); \ + }) + +#define CONVOLUTION1x3_STRIDE2(acc, src_row_ptr, weights_row_ptr) \ + ({ \ + int3 weights_values0 = convert_int3(vload3(0, weights_row_ptr)); \ + int16 src0 = convert_int16(vload16(0, src_row_ptr)); \ + int src1 = convert_int(*(src_row_ptr + 16)); \ + acc += (src0.even + input_offset) * ((int8)weights_values0.s0 + weight_offset); \ + acc += ((int8)(src0.s1357, src0.s9BDF) + input_offset) * ((int8)weights_values0.s1 + weight_offset); \ + acc += ((int8)(src0.s2468, src0.sACE, src1) + input_offset) * ((int8)weights_values0.s2 + weight_offset); \ + }) + +#elif KERNEL_SIZE == 1 + +#if STRIDE_X == 3 +#define INPUT_PIXEL extract_input_stride3 +#elif STRIDE_X == 2 +#define INPUT_PIXEL extract_input_stride2 +#elif STRIDE_X == 1 +#define INPUT_PIXEL extract_input_stride1 + +#else /* STRIDE_X not equals 1, 2 or 3 */ +#error "Only support strides 1, 2 and 3" +#endif /* STRIDE_X */ + +/** Extracts a 1D horizontal vector from the input tensor with stride as 1. + * + * @param[in] input_pixel Pointer to the first pixel. + * + * @return extracted input pixels. + */ +inline uchar8 extract_input_stride1(__global const uchar *input_pixel) +{ + return vload8(0, input_pixel); +} + +/** Extracts a 1D horizontal vector from the input tensor with stride as 2. + * + * @param[in] input_pixel Pointer to the first pixel. + * + * @return extracted input pixels. + */ +inline uchar8 extract_input_stride2(__global const uchar *input_pixel) +{ + uchar16 temp = vload16(0, input_pixel); + return temp.s02468ace; +} + +/** Extracts a 1D horizontal vector from the input tensor with stride as 3 and 8-bit data size. + * + * @param[in] input_pixel Pointer to the first pixel. + * + * @return extracted input pixels. + */ +inline uchar8 extract_input_stride3(__global const uchar *input_pixel) +{ + uchar16 temp1 = vload16(0, input_pixel); + uchar16 temp2 = vload16(0, input_pixel + 12); + return (uchar8)(temp1.s0369, temp2.s0369); +} + +#else /* KERNEL_SIZE not equals 1, 3 or 5 */ +#error "Only kernel sizes 1, 3 and 5 are supported" +#endif /* KERNEL_SIZE */ + +/** This kernel performs a direct convolution to convolve the low three dimensions. + * + * @note The convolution stride x must be passed at compile time using -DSTRIDE_X e.g. -DSTRIDE_X=1 + * @note The third dimensions of the weights tensors must be passed at compile time using -DWEIGHTS_DEPTH + * @note If biases are used then -DHAS_BIAS has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: QASYMM8 + * @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 types: 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 Z 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[out] weights_ptr Pointer to the weights tensor. Supported data types: same as @p weights_ptr + * @param[in] weights_stride_x Stride of the weights tensor in X dimension (in bytes) + * @param[in] weights_step_x weights_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] weights_stride_y Stride of the weights tensor in Y dimension (in bytes) + * @param[in] weights_step_y weights_stride_y * number of elements along y processed per workitem(in bytes) + * @param[in] weights_stride_z Stride of the weights tensor in Z dimension (in bytes) + * @param[in] weights_step_z weights_stride_z * number of elements along Z processed per workitem(in bytes) + * @param[in] weights_offset_first_element_in_bytes The offset of the first element in the weights tensor + * @param[in] biases_ptr Pointer to the biases tensor. Same as @p src_ptr + * @param[in] biases_stride_x Stride of the biases tensor in X dimension (in bytes) + * @param[in] biases_step_x biases_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] biases_offset_first_element_in_bytes The offset of the first element in the biases tensor + * @param[in] weights_stride_w Stride of the weights tensor in the 4th dimension + * @param[in] input_offset Input offset quantization parameter + * @param[in] weight_offset Weights offset quantization parameter + * @param[in] output_offset Output offset quantization parameter + * @param[in] output_multiplier Output integer multiplier quantization parameter + * @param[in] output_shift Output integer shift quantization parameter + */ +__kernel void direct_convolution_1x1_3x3_5x5_quantized( + TENSOR3D_DECLARATION(src), + TENSOR3D_DECLARATION(dst), + TENSOR3D_DECLARATION(weights), +#ifdef HAS_BIAS + VECTOR_DECLARATION(biases), +#endif /* defined(HAS_BIAS) */ + unsigned int weights_stride_w, + int input_offset, + int weight_offset, + int output_offset, + int output_multiplier, + int output_shift) +{ + Image src = CONVERT_TO_IMAGE_STRUCT(src); + Tensor3D weights = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); + Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); + + int8 pixels0 = 0; + + __global uchar *weights_addr = (__global uchar *)tensor3D_offset(&weights, 0, 0, 0); + __global uchar *src_addr = (__global uchar *)offset(&src, 0, 0); + + const int kernel_index = get_global_id(2); + weights_addr += kernel_index * weights_stride_w; + + for(volatile int d = 0; d < WEIGHTS_DEPTH; ++d) + { +#if KERNEL_SIZE == 5 + CONVOLUTION1x5(pixels0, (__global uchar *)src_addr, (__global uchar *)weights_addr); + CONVOLUTION1x5(pixels0, (__global uchar *)(src_addr + 1 * src_stride_y), (__global uchar *)(weights_addr + 1 * weights_stride_y)); + CONVOLUTION1x5(pixels0, (__global uchar *)(src_addr + 2 * src_stride_y), (__global uchar *)(weights_addr + 2 * weights_stride_y)); + CONVOLUTION1x5(pixels0, (__global uchar *)(src_addr + 3 * src_stride_y), (__global uchar *)(weights_addr + 3 * weights_stride_y)); + CONVOLUTION1x5(pixels0, (__global uchar *)(src_addr + 4 * src_stride_y), (__global uchar *)(weights_addr + 4 * weights_stride_y)); +#elif KERNEL_SIZE == 3 + CONVOLUTION1x3(pixels0, (__global uchar *)(src_addr + 0 * src_stride_y), (__global uchar *)(weights_addr + 0 * weights_stride_y)); + CONVOLUTION1x3(pixels0, (__global uchar *)(src_addr + 1 * src_stride_y), (__global uchar *)(weights_addr + 1 * weights_stride_y)); + CONVOLUTION1x3(pixels0, (__global uchar *)(src_addr + 2 * src_stride_y), (__global uchar *)(weights_addr + 2 * weights_stride_y)); +#elif KERNEL_SIZE == 1 + int weight = convert_int(*(__global uchar *)weights_addr); + int8 input_pixel = convert_int8(INPUT_PIXEL((__global uchar *)src_addr)); + pixels0 += (input_pixel + input_offset) * ((int8)weight + weight_offset); +#endif /* (KERNEL_SIZE == 1) || (KERNEL_SIZE == 3) || (KERNEL_SIZE == 5) */ + + src_addr += src_stride_z; + weights_addr += weights_stride_z; + } + +#ifdef HAS_BIAS + Vector biases = CONVERT_TO_VECTOR_STRUCT_NO_STEP(biases); + __global uchar *bias_addr = ((__global uchar *)(vector_offset(&biases, kernel_index))); + uchar8 bias_data = *bias_addr; + pixels0 += convert_int8(bias_data); +#endif /* defined(HAS_BIAS) */ + + pixels0 = ASYMM_MULT_BY_QUANT_MULTIPLIER_LESS_THAN_ONE(pixels0, output_multiplier, output_shift, 8); + pixels0 = pixels0 + output_offset; + pixels0 = max(pixels0, 0); + pixels0 = min(pixels0, 255); + + vstore8(convert_uchar8(pixels0), 0, (__global uchar *)dst.ptr); +} +#endif // defined(DATA_TYPE) && defined(STRIDE_X) && defined(WEIGHTS_DEPTH) diff --git a/src/core/CL/cl_kernels/helpers_asymm.h b/src/core/CL/cl_kernels/helpers_asymm.h new file mode 100644 index 0000000000..3c1d58bda1 --- /dev/null +++ b/src/core/CL/cl_kernels/helpers_asymm.h @@ -0,0 +1,91 @@ +/* + * 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. + */ +#ifndef ARM_COMPUTE_HELPERS_ASYMM_H +#define ARM_COMPUTE_HELPERS_ASYMM_H + +#include "helpers.h" + +/** Correctly-rounded-to-nearest division by a power-of-two. + * + * @param[in] size Size of vector. + * + * @return Correctly-rounded-to-nearest division by a power-of-two. + */ +#define ASYMM_ROUNDING_DIVIDE_BY_POW2_IMPL(size) \ + inline VEC_DATA_TYPE(int, size) asymm_rounding_divide_by_POW2_##size(VEC_DATA_TYPE(int, size) x, int exponent) \ + { \ + VEC_DATA_TYPE(int, size) \ + mask = (1 << exponent) - 1; \ + const VEC_DATA_TYPE(int, size) zero = 0; \ + const VEC_DATA_TYPE(int, size) one = 1; \ + VEC_DATA_TYPE(int, size) \ + threshold = (mask >> 1) + select(zero, one, x < 0); \ + return (x >> exponent) + select(zero, one, (x & mask) > threshold); \ + } + +ASYMM_ROUNDING_DIVIDE_BY_POW2_IMPL(8) +ASYMM_ROUNDING_DIVIDE_BY_POW2_IMPL(16) + +#define ASYMM_ROUNDING_DIVIDE_BY_POW2(x, exponent, size) asymm_rounding_divide_by_POW2_##size(x, exponent) + +/** Product of two numbers, interpreting them as fixed-point values in the interval [-1, 1), + * rounding to the nearest value, and saturating -1 * -1 to the maximum value. + * + * @param[in] size Size of vector. + * + * @return Product of two fixed-point numbers. + */ +#define ASYMM_MULT_IMP(size) \ + inline VEC_DATA_TYPE(int, size) asymm_mult##size(VEC_DATA_TYPE(int, size) a, VEC_DATA_TYPE(int, size) b) \ + { \ + VEC_DATA_TYPE(int, size) \ + overflow = a == b && a == INT_MIN; \ + VEC_DATA_TYPE(long, size) \ + a_64 = convert_long##size(a); \ + VEC_DATA_TYPE(long, size) \ + b_64 = convert_long##size(b); \ + VEC_DATA_TYPE(long, size) \ + ab_64 = a_64 * b_64; \ + VEC_DATA_TYPE(long, size) \ + mask1 = 1 << 30; \ + VEC_DATA_TYPE(long, size) \ + mask2 = 1 - (1 << 30); \ + VEC_DATA_TYPE(long, size) \ + nudge = select(mask2, mask1, ab_64 >= 0); \ + VEC_DATA_TYPE(long, size) \ + mask = 1ll << 31; \ + VEC_DATA_TYPE(int, size) \ + ab_x2_high32 = convert_int##size((ab_64 + nudge) / mask); \ + return select(ab_x2_high32, INT_MAX, overflow); \ + } + +ASYMM_MULT_IMP(8) +ASYMM_MULT_IMP(16) + +#define ASYMM_MULT(a, b, size) asymm_mult##size(a, b) + +#define ASYMM_MULT_BY_QUANT_MULTIPLIER_LESS_THAN_ONE(x, quantized_multiplier, right_shift, size) \ + ASYMM_ROUNDING_DIVIDE_BY_POW2(ASYMM_MULT(x, quantized_multiplier, size), right_shift, size) + +#endif // ARM_COMPUTE_HELPERS_ASYMM_H |