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202 lines
9.6 KiB
C++
202 lines
9.6 KiB
C++
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// =================================================================================================
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// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
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// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
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// width of 100 characters per line.
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//
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// Author(s):
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// Cedric Nugteren <www.cedricnugteren.nl>
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//
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// This file implements the TestBlas class (see the header for information about the class).
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//
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// =================================================================================================
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#include <algorithm>
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#include "correctness/testblas.h"
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namespace clblast {
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// =================================================================================================
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// The transpose-options to test with (data-type dependent)
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template <> const std::vector<Transpose> TestBlas<float,float>::kTransposes = {Transpose::kNo, Transpose::kYes};
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template <> const std::vector<Transpose> TestBlas<double,double>::kTransposes = {Transpose::kNo, Transpose::kYes};
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template <> const std::vector<Transpose> TestBlas<float2,float2>::kTransposes = {Transpose::kNo, Transpose::kYes, Transpose::kConjugate};
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template <> const std::vector<Transpose> TestBlas<double2,double2>::kTransposes = {Transpose::kNo, Transpose::kYes, Transpose::kConjugate};
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template <> const std::vector<Transpose> TestBlas<float2,float>::kTransposes = {Transpose::kNo, Transpose::kConjugate};
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template <> const std::vector<Transpose> TestBlas<double2,double>::kTransposes = {Transpose::kNo, Transpose::kConjugate};
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// =================================================================================================
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// Constructor, initializes the base class tester and input data
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template <typename T, typename U>
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TestBlas<T,U>::TestBlas(int argc, char *argv[], const bool silent,
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const std::string &name, const std::vector<std::string> &options,
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const Routine run_routine, const Routine run_reference,
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const ResultGet get_result, const ResultIndex get_index,
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const ResultIterator get_id1, const ResultIterator get_id2):
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Tester<T,U>{argc, argv, silent, name, options},
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run_routine_(run_routine),
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run_reference_(run_reference),
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get_result_(get_result),
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get_index_(get_index),
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get_id1_(get_id1),
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get_id2_(get_id2) {
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// Computes the maximum sizes. This allows for a single set of input/output buffers.
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auto max_vec = *std::max_element(kVectorDims.begin(), kVectorDims.end());
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auto max_inc = *std::max_element(kIncrements.begin(), kIncrements.end());
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auto max_mat = *std::max_element(kMatrixDims.begin(), kMatrixDims.end());
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auto max_ld = *std::max_element(kMatrixDims.begin(), kMatrixDims.end());
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auto max_matvec = *std::max_element(kMatrixVectorDims.begin(), kMatrixVectorDims.end());
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auto max_offset = *std::max_element(kOffsets.begin(), kOffsets.end());
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// Creates test input data
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x_source_.resize(std::max(max_vec, max_matvec)*max_inc + max_offset);
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y_source_.resize(std::max(max_vec, max_matvec)*max_inc + max_offset);
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a_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
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b_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
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c_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
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dot_source_.resize(std::max(max_mat, max_matvec) + max_offset);
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PopulateVector(x_source_);
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PopulateVector(y_source_);
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PopulateVector(a_source_);
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PopulateVector(b_source_);
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PopulateVector(c_source_);
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PopulateVector(dot_source_);
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}
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// ===============================================================================================
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// Tests the routine for a wide variety of parameters
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template <typename T, typename U>
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void TestBlas<T,U>::TestRegular(std::vector<Arguments<U>> &test_vector, const std::string &name) {
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if (!PrecisionSupported<T>(device_)) { return; }
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TestStart("regular behaviour", name);
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// Iterates over all the to-be-tested combinations of arguments
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for (auto &args: test_vector) {
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// Runs the reference clBLAS code
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auto x_vec1 = Buffer<T>(context_, args.x_size);
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auto y_vec1 = Buffer<T>(context_, args.y_size);
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auto a_mat1 = Buffer<T>(context_, args.a_size);
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auto b_mat1 = Buffer<T>(context_, args.b_size);
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auto c_mat1 = Buffer<T>(context_, args.c_size);
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auto dot1 = Buffer<T>(context_, args.dot_size);
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x_vec1.Write(queue_, args.x_size, x_source_);
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y_vec1.Write(queue_, args.y_size, y_source_);
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a_mat1.Write(queue_, args.a_size, a_source_);
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b_mat1.Write(queue_, args.b_size, b_source_);
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c_mat1.Write(queue_, args.c_size, c_source_);
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dot1.Write(queue_, args.dot_size, dot_source_);
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auto buffers1 = Buffers<T>{x_vec1, y_vec1, a_mat1, b_mat1, c_mat1, dot1};
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auto status1 = run_reference_(args, buffers1, queue_);
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// Runs the CLBlast code
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auto x_vec2 = Buffer<T>(context_, args.x_size);
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auto y_vec2 = Buffer<T>(context_, args.y_size);
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auto a_mat2 = Buffer<T>(context_, args.a_size);
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auto b_mat2 = Buffer<T>(context_, args.b_size);
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auto c_mat2 = Buffer<T>(context_, args.c_size);
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auto dot2 = Buffer<T>(context_, args.dot_size);
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x_vec2.Write(queue_, args.x_size, x_source_);
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y_vec2.Write(queue_, args.y_size, y_source_);
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a_mat2.Write(queue_, args.a_size, a_source_);
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b_mat2.Write(queue_, args.b_size, b_source_);
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c_mat2.Write(queue_, args.c_size, c_source_);
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dot2.Write(queue_, args.dot_size, dot_source_);
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auto buffers2 = Buffers<T>{x_vec2, y_vec2, a_mat2, b_mat2, c_mat2, dot2};
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auto status2 = run_routine_(args, buffers2, queue_);
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// Tests for equality of the two status codes
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if (status1 != StatusCode::kSuccess || status2 != StatusCode::kSuccess) {
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TestErrorCodes(status1, status2, args);
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continue;
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}
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// Downloads the results
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auto result1 = get_result_(args, buffers1, queue_);
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auto result2 = get_result_(args, buffers2, queue_);
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// Checks for differences in the output
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auto errors = size_t{0};
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for (auto id1=size_t{0}; id1<get_id1_(args); ++id1) {
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for (auto id2=size_t{0}; id2<get_id2_(args); ++id2) {
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auto index = get_index_(args, id1, id2);
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if (!TestSimilarity(result1[index], result2[index])) {
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errors++;
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}
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}
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}
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// Tests the error count (should be zero)
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TestErrorCount(errors, get_id1_(args)*get_id2_(args), args);
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}
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TestEnd();
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}
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// =================================================================================================
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// Tests the routine for cases with invalid OpenCL memory buffer sizes. Tests only on return-types,
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// does not test for results (if any).
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template <typename T, typename U>
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void TestBlas<T,U>::TestInvalid(std::vector<Arguments<U>> &test_vector, const std::string &name) {
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if (!PrecisionSupported<T>(device_)) { return; }
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TestStart("invalid buffer sizes", name);
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// Iterates over all the to-be-tested combinations of arguments
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for (auto &args: test_vector) {
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// Creates the OpenCL buffers. Note: we are not using the C++ version since we explicitly
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// want to be able to create invalid buffers (no error checking here).
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auto x1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.x_size*sizeof(T), nullptr,nullptr);
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auto y1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.y_size*sizeof(T), nullptr,nullptr);
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auto a1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.a_size*sizeof(T), nullptr,nullptr);
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auto b1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.b_size*sizeof(T), nullptr,nullptr);
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auto c1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.c_size*sizeof(T), nullptr,nullptr);
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auto d1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.dot_size*sizeof(T), nullptr,nullptr);
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auto x_vec1 = Buffer<T>(x1);
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auto y_vec1 = Buffer<T>(y1);
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auto a_mat1 = Buffer<T>(a1);
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auto b_mat1 = Buffer<T>(b1);
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auto c_mat1 = Buffer<T>(c1);
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auto dot1 = Buffer<T>(d1);
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auto x2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.x_size*sizeof(T), nullptr,nullptr);
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auto y2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.y_size*sizeof(T), nullptr,nullptr);
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auto a2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.a_size*sizeof(T), nullptr,nullptr);
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auto b2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.b_size*sizeof(T), nullptr,nullptr);
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auto c2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.c_size*sizeof(T), nullptr,nullptr);
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auto d2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.dot_size*sizeof(T), nullptr,nullptr);
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auto x_vec2 = Buffer<T>(x2);
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auto y_vec2 = Buffer<T>(y2);
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auto a_mat2 = Buffer<T>(a2);
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auto b_mat2 = Buffer<T>(b2);
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auto c_mat2 = Buffer<T>(c2);
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auto dot2 = Buffer<T>(d2);
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// Runs the two routines
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auto buffers1 = Buffers<T>{x_vec1, y_vec1, a_mat1, b_mat1, c_mat1, dot1};
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auto buffers2 = Buffers<T>{x_vec2, y_vec2, a_mat2, b_mat2, c_mat2, dot2};
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auto status1 = run_reference_(args, buffers1, queue_);
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auto status2 = run_routine_(args, buffers2, queue_);
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// Tests for equality of the two status codes
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TestErrorCodes(status1, status2, args);
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}
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TestEnd();
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}
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// =================================================================================================
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// Compiles the templated class
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template class TestBlas<float, float>;
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template class TestBlas<double, double>;
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template class TestBlas<float2, float2>;
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template class TestBlas<double2, double2>;
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template class TestBlas<float2, float>;
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template class TestBlas<double2, double>;
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// =================================================================================================
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} // namespace clblast
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