From 23ac91b6ba235e67847802d4b49e494fa5bedbb6 Mon Sep 17 00:00:00 2001 From: "ASIAPAC\\steli01" Date: Tue, 7 Nov 2017 16:14:44 +0800 Subject: APPBROWSER-290: DC5x5 optimization for FP16 Change-Id: I0833437d8353515a29aad69c15c99c7b0fd65156 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/111631 Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com Reviewed-by: Joel Liang Reviewed-by: Anthony Barbier --- .../cs_shaders/direct_convolution5x5.cs | 728 ++++++++++++++++++++- 1 file changed, 723 insertions(+), 5 deletions(-) (limited to 'src/core/GLES_COMPUTE/cs_shaders') diff --git a/src/core/GLES_COMPUTE/cs_shaders/direct_convolution5x5.cs b/src/core/GLES_COMPUTE/cs_shaders/direct_convolution5x5.cs index f3b843de73..a36bd438ff 100644 --- a/src/core/GLES_COMPUTE/cs_shaders/direct_convolution5x5.cs +++ b/src/core/GLES_COMPUTE/cs_shaders/direct_convolution5x5.cs @@ -26,6 +26,48 @@ layout(local_size_x = LOCAL_SIZE_X, local_size_y = LOCAL_SIZE_Y, local_size_z = #include "helpers.h" +#ifdef DATA_TYPE_FP32 + +precision highp float; + +/** This kernel performs a direct convolution to convolve the low three dimensions + * + * @note This OpenGL ES shader works with stride_x = 1 and 2 + * @note The data type must be passed at compile time using "#define DATA_TYPE_FP32" + * @note If biases are used then "define HAS_BIAS" has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: 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 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 src_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] weights_depth The third dimensions of the weights tensors + */ + layout(std140) uniform shader_params { TENSOR3D_PARAM_DECLARATION(src); @@ -38,10 +80,6 @@ layout(std140) uniform shader_params uint weights_depth; }; -#ifdef DATA_TYPE_FP32 - -precision highp float; - BUFFER_DECLARATION(src, 1, float, readonly); BUFFER_DECLARATION(dst, 2, float, writeonly); BUFFER_DECLARATION(weights, 3, float, readonly); @@ -145,6 +183,58 @@ void main() precision mediump float; +#if defined(PROCESS_4X_1Y_1Z) + +/** This kernel performs a direct convolution to convolve the low three dimensions + * + * @note This OpenGL ES shader works with stride_x = 1 and 2 + * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" + * @note If biases are used then "define HAS_BIAS" has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 + * @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 src_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] weights_depth The third dimensions of the weights tensors + */ + +layout(std140) uniform shader_params +{ + TENSOR3D_PARAM_DECLARATION(src); + TENSOR3D_PARAM_DECLARATION(dst); + TENSOR3D_PARAM_DECLARATION(weights); +#ifdef BIAS + VECTOR_PARAM_DECLARATION(biases); +#endif /* BIAS */ + uint weights_stride_w; + uint weights_depth; +}; + BUFFER_DECLARATION(src, 1, uvec2, readonly); BUFFER_DECLARATION(dst, 2, uvec2, writeonly); BUFFER_DECLARATION(weights, 3, uint, readonly); @@ -203,7 +293,6 @@ vec2[3] load_weight(Tensor3D weights, int row) return ret; } -// output 4 element per thread vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) { vec4 src0 = tmp[0]; @@ -308,6 +397,635 @@ void main() GC_STORE1_3D_OFFSET(packed_d, dst, 0, 0, 0); } +#elif defined(PROCESS_4X_3Y_1Z) + +/** An optimized direct convolution 3x3 OpenGL ES compute shader for process 3 elements @ Y at once + * + * @note This OpenGL ES shader works with stride_x = 1 and 2 + * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" + * @note If biases are used then "define HAS_BIAS" has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 + * @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 src_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] weights_depth The third dimensions of the weights tensors + */ + +layout(std140) uniform shader_params +{ + TENSOR3D_PARAM_DECLARATION(src); + TENSOR3D_PARAM_DECLARATION(dst); + TENSOR3D_PARAM_DECLARATION(weights); +#ifdef BIAS + VECTOR_PARAM_DECLARATION(biases); +#endif /* BIAS */ + uint weights_stride_w; + uint weights_depth; +}; + +BUFFER_DECLARATION(src, 1, uvec2, readonly); +BUFFER_DECLARATION(dst, 2, uvec2, writeonly); +BUFFER_DECLARATION(weights, 3, uint, readonly); +#ifdef BIAS +BUFFER_DECLARATION(bias, 4, uint, readonly); +#endif /* BIAS */ + +#if STRIDE_X == 1 +#define LOAD_SRC(src, row) load_src_stride1(src, row) +#define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) +#elif STRIDE_X == 2 /* STRIDE_X == 1 */ +#define LOAD_SRC(src, row) load_src_stride2(src, row) +#define CONVOLVE1x5(src, weight) convolve1x5_stride2(src, weight) +#else /* STRDIDE_X == 1 */ +#error STRIDE_X larger than 2 is not supported +#endif /* STRIDE_X == 1 */ + +vec4[2] load_src_stride1(Image src, int row) +{ + uvec2 packed[2]; + vec4 ret[2]; + + GC_LOAD2_2D_OFFSET(packed, src, 0, row); + + ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); + ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); + + return ret; +} + +vec4[3] load_src_stride2(Image src, int row) +{ + uvec2 packed[3]; + vec4 ret[3]; + + GC_LOAD3_2D_OFFSET(packed, src, 0, row); + + ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); + ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); + ret[2] = vec4(unpackHalf2x16(packed[2].x), unpackHalf2x16(packed[2].y)); + + return ret; +} + +vec2[3] load_weight(Tensor3D weights, int row) +{ + uvec3 packed_w; + vec2 ret[3]; + + GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); + + ret[0] = vec2(unpackHalf2x16(packed_w[0])); + ret[1] = vec2(unpackHalf2x16(packed_w[1])); + ret[2] = vec2(unpackHalf2x16(packed_w[2])); + + return ret; +} + +vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) +{ + vec4 src0 = tmp[0]; + vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); + vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); + vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); + vec4 src4 = tmp[1]; + vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + return ret; +} + +vec4 convolve1x5_stride2(vec4 tmp[3], vec2 w[3]) +{ + vec4 src0 = vec4(tmp[0].xz, tmp[1].xz); + vec4 src1 = vec4(tmp[0].yw, tmp[1].yw); + vec4 src2 = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); + vec4 src3 = vec4(tmp[0].w, tmp[1].yw, tmp[2].y); + vec4 src4 = vec4(tmp[1].x, tmp[1].z, tmp[2].xz); + vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + return ret; +} + +void main() +{ + Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); + Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); + Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); + +#ifdef BIAS + Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); +#endif /* BIAS */ + + vec4 res[3]; + vec2 w[5][3]; + vec4 s[STRIDE_X + 1]; + uvec2 packed_d; + uint z_index = gl_GlobalInvocationID.z; + int i; + + for(i = 0; i < 3; i++) + { + res[i] = vec4(0); + } + + weights.current_offset += z_index * weights_stride_w; + + for(int d = 0; d < int(weights_depth); ++d) + { + // load weights once + for(int row = 0; row < 5; row++) + { + w[row] = load_weight(weights, row); + } + + // 1st line + s = LOAD_SRC(src, 0); + res[0] += CONVOLVE1x5(s, w[0]); + + // 2nd line + s = LOAD_SRC(src, 1); + res[0] += CONVOLVE1x5(s, w[1]); + res[1] += CONVOLVE1x5(s, w[0]); + + // 3rd line + s = LOAD_SRC(src, 2); + res[0] += CONVOLVE1x5(s, w[2]); + res[1] += CONVOLVE1x5(s, w[1]); + res[2] += CONVOLVE1x5(s, w[0]); + + // 4th line + s = LOAD_SRC(src, 3); + res[0] += CONVOLVE1x5(s, w[3]); + res[1] += CONVOLVE1x5(s, w[2]); + res[2] += CONVOLVE1x5(s, w[1]); + + // 5th line + s = LOAD_SRC(src, 4); + res[0] += CONVOLVE1x5(s, w[4]); + res[1] += CONVOLVE1x5(s, w[3]); + res[2] += CONVOLVE1x5(s, w[2]); + + // 6th line + s = LOAD_SRC(src, 5); + res[1] += CONVOLVE1x5(s, w[4]); + res[2] += CONVOLVE1x5(s, w[3]); + + // 7th line + s = LOAD_SRC(src, 6); + res[2] += CONVOLVE1x5(s, w[4]); + + src.current_offset += src_stride_z; + weights.current_offset += weights_stride_z; + } + +#ifdef BIAS + uint packed_b; + float b; + + GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); + b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; + for(i = 0; i < 3; i++) + { + res[i] += vec4(b); + } +#endif /* BIAS */ + + for(i = 0; i < 3; i++) + { + packed_d = uvec2(packHalf2x16(res[i].xy), packHalf2x16(res[i].zw)); + GC_STORE1_3D_OFFSET(packed_d, dst, 0, i, 0); + } +} + +#elif defined(PROCESS_4X_3Y_2Z) + +/** An optimized direct convolution 3x3 OpenGL ES compute shader for process 3 elements @ Y and 2 elements @ Z at once + * + * @note This OpenGL ES shader works with stride_x = 1 and 2 + * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" + * @note If biases are used then "define HAS_BIAS" has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 + * @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 src_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] weights_depth The third dimensions of the weights tensors + */ + +layout(std140) uniform shader_params +{ + TENSOR3D_PARAM_DECLARATION(src); + TENSOR3D_PARAM_DECLARATION(dst); + TENSOR3D_PARAM_DECLARATION(weights); +#ifdef BIAS + VECTOR_PARAM_DECLARATION(biases); +#endif /* BIAS */ + uint weights_stride_w; + uint weights_depth; +}; + +BUFFER_DECLARATION(src, 1, uvec2, readonly); +BUFFER_DECLARATION(dst, 2, uvec2, writeonly); +BUFFER_DECLARATION(weights, 3, uint, readonly); +#ifdef BIAS +BUFFER_DECLARATION(bias, 4, uint, readonly); +#endif /* BIAS */ + +#if STRIDE_X == 1 +#define LOAD_SRC(src, row) load_src_stride1(src, row) +#define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) +#elif STRIDE_X == 2 /* STRIDE_X == 1 */ +#define LOAD_SRC(src, row) load_src_stride2(src, row) +#define CONVOLVE1x5(src, weight) convolve1x5_stride2(src, weight) +#else /* STRDIDE_X == 1 */ +#error STRIDE_X larger than 2 is not supported +#endif /* STRIDE_X == 1 */ + +vec4[2] load_src_stride1(Image src, int row) +{ + uvec2 packed[2]; + vec4 ret[2]; + + GC_LOAD2_2D_OFFSET(packed, src, 0, row); + + ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); + ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); + + return ret; +} + +vec4[3] load_src_stride2(Image src, int row) +{ + uvec2 packed[3]; + vec4 ret[3]; + + GC_LOAD3_2D_OFFSET(packed, src, 0, row); + + ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); + ret[1] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); + ret[2] = vec4(unpackHalf2x16(packed[2].x), unpackHalf2x16(packed[2].y)); + + return ret; +} + +vec2[3] load_weight(Tensor3D weights, int row) +{ + uvec3 packed_w; + vec2 ret[3]; + + GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); + + ret[0] = vec2(unpackHalf2x16(packed_w[0])); + ret[1] = vec2(unpackHalf2x16(packed_w[1])); + ret[2] = vec2(unpackHalf2x16(packed_w[2])); + + return ret; +} + +vec4 convolve1x5_stride1(vec4 tmp[2], vec2 w[3]) +{ + vec4 src0 = tmp[0]; + vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); + vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); + vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); + vec4 src4 = tmp[1]; + vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + return ret; +} + +vec4 convolve1x5_stride2(vec4 tmp[3], vec2 w[3]) +{ + vec4 src0 = vec4(tmp[0].xz, tmp[1].xz); + vec4 src1 = vec4(tmp[0].yw, tmp[1].yw); + vec4 src2 = vec4(tmp[0].z, tmp[1].xz, tmp[2].x); + vec4 src3 = vec4(tmp[0].w, tmp[1].yw, tmp[2].y); + vec4 src4 = vec4(tmp[1].x, tmp[1].z, tmp[2].xz); + vec4 ret = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + return ret; +} + +void main() +{ + Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); + Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); + Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); + +#ifdef BIAS + Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); +#endif /* BIAS */ + + vec4 res[3]; + vec2 w[5][3]; + vec4 s[STRIDE_X + 1]; + uvec2 packed_d; + uint z_index = (gl_GlobalInvocationID.z); + uint s_offset = src.current_offset; + int i, z; + + weights.current_offset += z_index * weights_stride_w; + + for(z = 0; z < 2; z++) + { + z_index += uint(z); + src.current_offset = s_offset; + + for(i = 0; i < 3; i++) + { + res[i] = vec4(0); + } + + for(int d = 0; d < int(weights_depth); ++d) + { + // load weights once + for(int row = 0; row < 5; row++) + { + w[row] = load_weight(weights, row); + } + + // 1st line + s = LOAD_SRC(src, 0); + res[0] += CONVOLVE1x5(s, w[0]); + + // 2nd line + s = LOAD_SRC(src, 1); + res[0] += CONVOLVE1x5(s, w[1]); + res[1] += CONVOLVE1x5(s, w[0]); + + // 3rd line + s = LOAD_SRC(src, 2); + res[0] += CONVOLVE1x5(s, w[2]); + res[1] += CONVOLVE1x5(s, w[1]); + res[2] += CONVOLVE1x5(s, w[0]); + + // 4th line + s = LOAD_SRC(src, 3); + res[0] += CONVOLVE1x5(s, w[3]); + res[1] += CONVOLVE1x5(s, w[2]); + res[2] += CONVOLVE1x5(s, w[1]); + + // 5th line + s = LOAD_SRC(src, 4); + res[0] += CONVOLVE1x5(s, w[4]); + res[1] += CONVOLVE1x5(s, w[3]); + res[2] += CONVOLVE1x5(s, w[2]); + + // 6th line + s = LOAD_SRC(src, 5); + res[1] += CONVOLVE1x5(s, w[4]); + res[2] += CONVOLVE1x5(s, w[3]); + + // 7th line + s = LOAD_SRC(src, 6); + res[2] += CONVOLVE1x5(s, w[4]); + + src.current_offset += src_stride_z; + weights.current_offset += weights_stride_z; + } + +#ifdef BIAS + uint packed_b; + float b; + + GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); + b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; + for(i = 0; i < 3; i++) + { + res[i] += vec4(b); + } +#endif /* BIAS */ + + for(i = 0; i < 3; i++) + { + packed_d = uvec2(packHalf2x16(res[i].xy), packHalf2x16(res[i].zw)); + GC_STORE1_3D_OFFSET(packed_d, dst, 0, i, 0); + } + + dst.current_offset += dst_stride_z; + } +} + +#elif defined(PROCESS_8X_1Y_1Z) + +/** An optimized direct convolution 3x3 OpenGL ES compute shader for process 8 elements @ X at once + * + * @note This OpenGL ES shader works with stride_x = 1 + * @note The data type must be passed at compile time using "#define DATA_TYPE_FP16" + * @note If biases are used then "define HAS_BIAS" has to be passed at compile time + * + * @param[in] src_ptr Pointer to the source tensor. Supported data types: F16 + * @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 src_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] weights_depth The third dimensions of the weights tensors + */ + +layout(std140) uniform shader_params +{ + TENSOR3D_PARAM_DECLARATION(src); + TENSOR3D_PARAM_DECLARATION(dst); + TENSOR3D_PARAM_DECLARATION(weights); +#ifdef BIAS + VECTOR_PARAM_DECLARATION(biases); +#endif /* BIAS */ + uint weights_stride_w; + uint weights_depth; +}; + +BUFFER_DECLARATION(src, 1, uvec4, readonly); +BUFFER_DECLARATION(dst, 2, uvec4, writeonly); +BUFFER_DECLARATION(weights, 3, uint, readonly); +#ifdef BIAS +BUFFER_DECLARATION(bias, 4, uint, readonly); +#endif /* BIAS */ + +#if STRIDE_X == 1 +#define LOAD_SRC(src, row) load_src_stride1(src, row) +#define CONVOLVE1x5(src, weight) convolve1x5_stride1(src, weight) +#elif STRIDE_X == 2 /* STRIDE_X == 1 */ +#error stride == 2 for PROCESS_8X_1Y not implemented +#else /* STRDIDE_X == 1 */ +#error STRIDE_X larger than 2 is not supported +#endif /* STRIDE_X == 1 */ + +vec4[3] load_src_stride1(Image src, int row) +{ + uvec4 packed[2]; + vec4 ret[3]; + + GC_LOAD2_2D_OFFSET(packed, src, 0, row); + + ret[0] = vec4(unpackHalf2x16(packed[0].x), unpackHalf2x16(packed[0].y)); + ret[1] = vec4(unpackHalf2x16(packed[0].z), unpackHalf2x16(packed[0].w)); + ret[2] = vec4(unpackHalf2x16(packed[1].x), unpackHalf2x16(packed[1].y)); + + return ret; +} + +vec2[3] load_weight(Tensor3D weights, int row) +{ + uvec3 packed_w; + vec2 ret[3]; + + GC_LOAD3_3D_OFFSET(packed_w, weights, 0, row, 0); + + ret[0] = vec2(unpackHalf2x16(packed_w[0])); + ret[1] = vec2(unpackHalf2x16(packed_w[1])); + ret[2] = vec2(unpackHalf2x16(packed_w[2])); + + return ret; +} + +vec4[2] convolve1x5_stride1(vec4 tmp[3], vec2 w[3]) +{ + vec4 src0 = tmp[0]; + vec4 src1 = vec4(tmp[0].yzw, tmp[1].x); + vec4 src2 = vec4(tmp[0].zw, tmp[1].xy); + vec4 src3 = vec4(tmp[0].w, tmp[1].xyz); + vec4 src4 = tmp[1]; + vec4 ret[2]; + + ret[0] = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + src0 = tmp[1]; + src1 = vec4(tmp[1].yzw, tmp[2].x); + src2 = vec4(tmp[1].zw, tmp[2].xy); + src3 = vec4(tmp[1].w, tmp[2].xyz); + src4 = tmp[2]; + ret[1] = src0 * w[0].x + src1 * w[0].y + src2 * w[1].x + src3 * w[1].y + src4 * w[2].x; + + return ret; +} + +void main() +{ + Image src = GC_CONVERT_TO_IMAGE_STRUCT(src); + Tensor3D weights = GC_CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(weights); + Tensor3D dst = GC_CONVERT_TO_TENSOR3D_STRUCT(dst); + +#ifdef BIAS + Vector bias = GC_CONVERT_TO_VECTOR_STRUCT_NO_STEP(bias); +#endif /* BIAS */ + + vec4 res[2]; + vec2 w[3]; + vec4 s[STRIDE_X + 2]; + uvec4 packed_d; + uint z_index = gl_GlobalInvocationID.z; + + res[0] = vec4(0); + res[1] = vec4(0); + weights.current_offset += z_index * weights_stride_w; + + for(int d = 0; d < int(weights_depth); ++d) + { + for(int row = 0; row < 5; row++) + { + w = load_weight(weights, row); + s = LOAD_SRC(src, row); + res[0] += CONVOLVE1x5(s, w)[0]; + res[1] += CONVOLVE1x5(s, w)[1]; + } + + src.current_offset += src_stride_z; + weights.current_offset += weights_stride_z; + } + +#ifdef BIAS + uint packed_b; + float b; + + GC_LOAD1_1D_OFFSET(packed_b, bias, z_index); + b = (z_index % uint(2) == uint(0)) ? unpackHalf2x16(packed_b).x : unpackHalf2x16(packed_b).y; + res[0] += vec4(b); + res[1] += vec4(b); +#endif /* BIAS */ + + packed_d.xy = uvec2(packHalf2x16(res[0].xy), packHalf2x16(res[0].zw)); + packed_d.zw = uvec2(packHalf2x16(res[1].xy), packHalf2x16(res[1].zw)); + GC_STORE1_3D_OFFSET(packed_d, dst, 0, 0, 0); +} + +#else /* defined(PROCESS_4X_1Y_1Z) */ + +#endif /* defined(PROCESS_4X_1Y_1Z) */ + #else /* DATA_TYPE_FP16 */ #error Data type not supported #endif /* DATA_TYPE_FP16 */ -- cgit v1.2.1