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Diffstat (limited to 'test/routines/levelx/xim2col.hpp')
-rw-r--r-- | test/routines/levelx/xim2col.hpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/test/routines/levelx/xim2col.hpp b/test/routines/levelx/xim2col.hpp new file mode 100644 index 00000000..e5bc56cd --- /dev/null +++ b/test/routines/levelx/xim2col.hpp @@ -0,0 +1,165 @@ + +// ================================================================================================= +// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This +// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max- +// width of 100 characters per line. +// +// Author(s): +// Cedric Nugteren <www.cedricnugteren.nl> +// +// This file implements a class with static methods to describe the Xim2col routine. Examples of +// such 'descriptions' are how to calculate the size a of buffer or how to run the routine. These +// static methods are used by the correctness tester and the performance tester. +// +// ================================================================================================= + +#ifndef CLBLAST_TEST_ROUTINES_XIM2COL_H_ +#define CLBLAST_TEST_ROUTINES_XIM2COL_H_ + +#include "test/routines/common.hpp" + +namespace clblast { +// ================================================================================================= + +template <typename T> +StatusCode RunReference(const Arguments<T> &args, BuffersHost<T> &buffers_host) { + for (auto c_id = size_t{0}; c_id < args.channels; ++c_id) { // input channels + for (auto kh_id = size_t{0}; kh_id < args.kernel_h; ++kh_id) { // kernel height + for (auto kw_id = size_t{0}; kw_id < args.kernel_w; ++kw_id) { // kernel width + for (auto h_id = size_t{0}; h_id < args.height; h_id += args.stride_h) { // image height + for (auto w_id = size_t{0}; w_id < args.width; w_id += args.stride_w) { // image width + + // Retrieves the input value + const auto h_index = -args.pad_h + kh_id * args.dilation_h + h_id; + const auto w_index = -args.pad_w + kw_id * args.dilation_w + w_id; + auto val = ConstantZero<T>(); + if (h_index < args.height && w_index < args.width) { + const auto input_index = w_index + args.width * (h_index + args.height * c_id); + val = buffers_host.a_mat[input_index + args.a_offset]; + } + + // Sets the output value + const auto kernel_index = kw_id + args.kernel_w * kh_id; + const auto patch_index = w_id + ((args.width / args.stride_w) * h_id + (args.height / args.stride_h) * c_id); + const auto output_index = kernel_index + args.kernel_h * args.kernel_w * patch_index; + buffers_host.b_mat[output_index + args.b_offset] = val; + } + } + } + } + } + return StatusCode::kSuccess; +} + +// ================================================================================================= + +// See comment at top of file for a description of the class +template <typename T> +class TestXim2col { +public: + + // The BLAS level: 4 for the extra routines + static size_t BLASLevel() { return 4; } + + // The list of arguments relevant for this routine + static std::vector<std::string> GetOptions() { + return {kArgChannels, kArgHeight, kArgWidth, kArgKernelH, kArgKernelW, kArgPadH, kArgPadW, + kArgStrideH, kArgStrideW, kArgDilationH, kArgDilationW, + kArgAOffset, kArgBOffset}; + } + static std::vector<std::string> BuffersIn() { return {kBufMatA, kBufMatB}; } + static std::vector<std::string> BuffersOut() { return {kBufMatB}; } + + // Describes how to obtain the sizes of the buffers + static size_t NumPatches(const Arguments<T> &args) { + return (args.width / args.stride_w) * (args.height / args.stride_h) * args.channels; + } + static size_t GetSizeA(const Arguments<T> &args) { + return args.height * args.width * args.channels + args.a_offset; + } + static size_t GetSizeB(const Arguments<T> &args) { + return args.kernel_w * args.kernel_h * NumPatches(args) + args.b_offset; + } + + // Describes how to set the sizes of all the buffers + static void SetSizes(Arguments<T> &args) { + args.a_size = GetSizeA(args); + args.b_size = GetSizeB(args); + } + + // Describes what the default values of the leading dimensions of the matrices are + static size_t DefaultLDA(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t DefaultLDB(const Arguments<T> &) { return 1; } // N/A for this routine + static size_t DefaultLDC(const Arguments<T> &) { return 1; } // N/A for this routine + + // Describes which transpose options are relevant for this routine + using Transposes = std::vector<Transpose>; + static Transposes GetATransposes(const Transposes &) { return {}; } // N/A for this routine + static Transposes GetBTransposes(const Transposes &) { return {}; } // N/A for this routine + + // Describes how to prepare the input data + static void PrepareData(const Arguments<T>&, Queue&, const int, std::vector<T>&, + std::vector<T>&, std::vector<T>&, std::vector<T>&, std::vector<T>&, + std::vector<T>&, std::vector<T>&) {} // N/A for this routine + + // Describes how to run the CLBlast routine + static StatusCode RunRoutine(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) { + auto queue_plain = queue(); + auto event = cl_event{}; + auto status = Im2col<T>(args.channels, args.height, args.width, + args.kernel_h, args.kernel_w, + args.pad_h, args.pad_w, + args.stride_h, args.stride_w, + args.dilation_h, args.dilation_w, + buffers.a_mat(), args.a_offset, + buffers.b_mat(), args.b_offset, + &queue_plain, &event); + if (status == StatusCode::kSuccess) { clWaitForEvents(1, &event); clReleaseEvent(event); } + return status; + } + + // Describes how to run a naive version of the routine (for correctness/performance comparison). + // Note that a proper clBLAS or CPU BLAS comparison is not available for non-BLAS routines. + static StatusCode RunReference1(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) { + auto buffers_host = BuffersHost<T>(); + DeviceToHost(args, buffers, buffers_host, queue, BuffersIn()); + const auto status = RunReference(args, buffers_host); + HostToDevice(args, buffers, buffers_host, queue, BuffersOut()); + return status; + } + + static StatusCode RunReference2(const Arguments<T> &args, BuffersHost<T> &buffers_host, Queue&) { + return RunReference(args, buffers_host); + } + static StatusCode RunReference3(const Arguments<T> &, BuffersCUDA<T> &, Queue &) { + return StatusCode::kUnknownError; + } + + // Describes how to download the results of the computation (more importantly: which buffer) + static std::vector<T> DownloadResult(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) { + std::vector<T> result(args.b_size, static_cast<T>(0)); + buffers.b_mat.Read(queue, args.b_size, result); + return result; + } + + // Describes how to compute the indices of the result buffer + static size_t ResultID1(const Arguments<T> &args) { return args.kernel_h * args.kernel_w; } + static size_t ResultID2(const Arguments<T> &args) { return NumPatches(args); } + static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t id2) { + return id1 + args.kernel_h * args.kernel_w * id2 + args.b_offset; + } + + // Describes how to compute performance metrics + static size_t GetFlops(const Arguments<T> &args) { + return 1; + } + static size_t GetBytes(const Arguments<T> &args) { + return (1) * sizeof(T); + } +}; + +// ================================================================================================= +} // namespace clblast + +// CLBLAST_TEST_ROUTINES_XIM2COL_H_ +#endif |