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// =================================================================================================
// 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 the TestBlas class (see the header for information about the class).
//
// =================================================================================================
#include <algorithm>
#include <iostream>
#include "correctness/testblas.h"
namespace clblast {
// =================================================================================================
// The transpose-options to test with (data-type dependent)
template <> const std::vector<Transpose> TestBlas<half,half>::kTransposes = {Transpose::kNo, Transpose::kYes};
template <> const std::vector<Transpose> TestBlas<float,float>::kTransposes = {Transpose::kNo, Transpose::kYes};
template <> const std::vector<Transpose> TestBlas<double,double>::kTransposes = {Transpose::kNo, Transpose::kYes};
template <> const std::vector<Transpose> TestBlas<float2,float2>::kTransposes = {Transpose::kNo, Transpose::kYes, Transpose::kConjugate};
template <> const std::vector<Transpose> TestBlas<double2,double2>::kTransposes = {Transpose::kNo, Transpose::kYes, Transpose::kConjugate};
template <> const std::vector<Transpose> TestBlas<float2,float>::kTransposes = {Transpose::kNo, Transpose::kConjugate};
template <> const std::vector<Transpose> TestBlas<double2,double>::kTransposes = {Transpose::kNo, Transpose::kConjugate};
// =================================================================================================
// Constructor, initializes the base class tester and input data
template <typename T, typename U>
TestBlas<T,U>::TestBlas(int argc, char *argv[], const bool silent,
const std::string &name, const std::vector<std::string> &options,
const Routine run_routine,
const Routine run_reference1, const Routine run_reference2,
const ResultGet get_result, const ResultIndex get_index,
const ResultIterator get_id1, const ResultIterator get_id2):
Tester<T,U>(argc, argv, silent, name, options),
run_routine_(run_routine),
get_result_(get_result),
get_index_(get_index),
get_id1_(get_id1),
get_id2_(get_id2) {
// Sets the reference to test against
if (compare_clblas_) { run_reference_ = run_reference1; }
else if (compare_cblas_) { run_reference_ = run_reference2; }
else { throw std::runtime_error("Invalid configuration: no reference to test against"); }
// Computes the maximum sizes. This allows for a single set of input/output buffers.
auto max_vec = *std::max_element(kVectorDims.begin(), kVectorDims.end());
auto max_inc = *std::max_element(kIncrements.begin(), kIncrements.end());
auto max_mat = *std::max_element(kMatrixDims.begin(), kMatrixDims.end());
auto max_ld = *std::max_element(kMatrixDims.begin(), kMatrixDims.end());
auto max_matvec = *std::max_element(kMatrixVectorDims.begin(), kMatrixVectorDims.end());
auto max_offset = *std::max_element(kOffsets.begin(), kOffsets.end());
// Creates test input data
x_source_.resize(std::max(max_vec, max_matvec)*max_inc + max_offset);
y_source_.resize(std::max(max_vec, max_matvec)*max_inc + max_offset);
a_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
b_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
c_source_.resize(std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset);
ap_source_.resize(std::max(max_mat, max_matvec)*std::max(max_mat, max_matvec) + max_offset);
scalar_source_.resize(std::max(max_mat, max_matvec) + max_offset);
PopulateVector(x_source_);
PopulateVector(y_source_);
PopulateVector(a_source_);
PopulateVector(b_source_);
PopulateVector(c_source_);
PopulateVector(ap_source_);
PopulateVector(scalar_source_);
}
// ===============================================================================================
// Tests the routine for a wide variety of parameters
template <typename T, typename U>
void TestBlas<T,U>::TestRegular(std::vector<Arguments<U>> &test_vector, const std::string &name) {
if (!PrecisionSupported<T>(device_)) { return; }
TestStart("regular behaviour", name);
// Iterates over all the to-be-tested combinations of arguments
for (auto &args: test_vector) {
// Prints the current test configuration
if (verbose_) {
fprintf(stdout, " Config: %s-> ", GetOptionsString(args).c_str());
}
// Runs the CLBlast code
auto x_vec2 = Buffer<T>(context_, args.x_size);
auto y_vec2 = Buffer<T>(context_, args.y_size);
auto a_mat2 = Buffer<T>(context_, args.a_size);
auto b_mat2 = Buffer<T>(context_, args.b_size);
auto c_mat2 = Buffer<T>(context_, args.c_size);
auto ap_mat2 = Buffer<T>(context_, args.ap_size);
auto scalar2 = Buffer<T>(context_, args.scalar_size);
x_vec2.Write(queue_, args.x_size, x_source_);
y_vec2.Write(queue_, args.y_size, y_source_);
a_mat2.Write(queue_, args.a_size, a_source_);
b_mat2.Write(queue_, args.b_size, b_source_);
c_mat2.Write(queue_, args.c_size, c_source_);
ap_mat2.Write(queue_, args.ap_size, ap_source_);
scalar2.Write(queue_, args.scalar_size, scalar_source_);
auto buffers2 = Buffers<T>{x_vec2, y_vec2, a_mat2, b_mat2, c_mat2, ap_mat2, scalar2};
auto status2 = run_routine_(args, buffers2, queue_);
// Don't continue with CBLAS if there are incorrect parameters
if (compare_cblas_ && status2 != StatusCode::kSuccess) {
TestErrorCodes(status2, status2, args);
continue;
}
// Runs the reference BLAS code
auto x_vec1 = Buffer<T>(context_, args.x_size);
auto y_vec1 = Buffer<T>(context_, args.y_size);
auto a_mat1 = Buffer<T>(context_, args.a_size);
auto b_mat1 = Buffer<T>(context_, args.b_size);
auto c_mat1 = Buffer<T>(context_, args.c_size);
auto ap_mat1 = Buffer<T>(context_, args.ap_size);
auto scalar1 = Buffer<T>(context_, args.scalar_size);
x_vec1.Write(queue_, args.x_size, x_source_);
y_vec1.Write(queue_, args.y_size, y_source_);
a_mat1.Write(queue_, args.a_size, a_source_);
b_mat1.Write(queue_, args.b_size, b_source_);
c_mat1.Write(queue_, args.c_size, c_source_);
ap_mat1.Write(queue_, args.ap_size, ap_source_);
scalar1.Write(queue_, args.scalar_size, scalar_source_);
auto buffers1 = Buffers<T>{x_vec1, y_vec1, a_mat1, b_mat1, c_mat1, ap_mat1, scalar1};
auto status1 = run_reference_(args, buffers1, queue_);
// Tests for equality of the two status codes
if (status1 != StatusCode::kSuccess || status2 != StatusCode::kSuccess) {
TestErrorCodes(status1, status2, args);
continue;
}
// Downloads the results
auto result1 = get_result_(args, buffers1, queue_);
auto result2 = get_result_(args, buffers2, queue_);
// Checks for differences in the output
auto errors = size_t{0};
for (auto id1=size_t{0}; id1<get_id1_(args); ++id1) {
for (auto id2=size_t{0}; id2<get_id2_(args); ++id2) {
auto index = get_index_(args, id1, id2);
if (!TestSimilarity(result1[index], result2[index])) {
errors++;
if (verbose_) {
if (get_id2_(args) == 1) { fprintf(stdout, "\n Error at index %zu: ", id1); }
else { fprintf(stdout, "\n Error at %zu,%zu: ", id1, id2); }
fprintf(stdout, " %s (reference) versus ", ToString(result1[index]).c_str());
fprintf(stdout, " %s (CLBlast)", ToString(result2[index]).c_str());
}
}
}
}
if (verbose_ && errors > 0) { fprintf(stdout, "\n "); }
// Tests the error count (should be zero)
TestErrorCount(errors, get_id1_(args)*get_id2_(args), args);
}
TestEnd();
}
// =================================================================================================
// Tests the routine for cases with invalid OpenCL memory buffer sizes. Tests only on return-types,
// does not test for results (if any).
template <typename T, typename U>
void TestBlas<T,U>::TestInvalid(std::vector<Arguments<U>> &test_vector, const std::string &name) {
if (!PrecisionSupported<T>(device_)) { return; }
if (!compare_clblas_) { return; }
if (std::is_same<T, half>::value) { return; }
TestStart("invalid buffer sizes", name);
// Iterates over all the to-be-tested combinations of arguments
for (auto &args: test_vector) {
// Creates the OpenCL buffers. Note: we are not using the C++ version since we explicitly
// want to be able to create invalid buffers (no error checking here).
auto x1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.x_size*sizeof(T), nullptr,nullptr);
auto y1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.y_size*sizeof(T), nullptr,nullptr);
auto a1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.a_size*sizeof(T), nullptr,nullptr);
auto b1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.b_size*sizeof(T), nullptr,nullptr);
auto c1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.c_size*sizeof(T), nullptr,nullptr);
auto ap1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.ap_size*sizeof(T), nullptr,nullptr);
auto d1 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.scalar_size*sizeof(T), nullptr,nullptr);
auto x_vec1 = Buffer<T>(x1);
auto y_vec1 = Buffer<T>(y1);
auto a_mat1 = Buffer<T>(a1);
auto b_mat1 = Buffer<T>(b1);
auto c_mat1 = Buffer<T>(c1);
auto ap_mat1 = Buffer<T>(ap1);
auto scalar1 = Buffer<T>(d1);
auto x2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.x_size*sizeof(T), nullptr,nullptr);
auto y2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.y_size*sizeof(T), nullptr,nullptr);
auto a2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.a_size*sizeof(T), nullptr,nullptr);
auto b2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.b_size*sizeof(T), nullptr,nullptr);
auto c2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.c_size*sizeof(T), nullptr,nullptr);
auto ap2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.ap_size*sizeof(T), nullptr,nullptr);
auto d2 = clCreateBuffer(context_(), CL_MEM_READ_WRITE, args.scalar_size*sizeof(T), nullptr,nullptr);
auto x_vec2 = Buffer<T>(x2);
auto y_vec2 = Buffer<T>(y2);
auto a_mat2 = Buffer<T>(a2);
auto b_mat2 = Buffer<T>(b2);
auto c_mat2 = Buffer<T>(c2);
auto ap_mat2 = Buffer<T>(ap2);
auto scalar2 = Buffer<T>(d2);
// Runs the two routines
auto buffers1 = Buffers<T>{x_vec1, y_vec1, a_mat1, b_mat1, c_mat1, ap_mat1, scalar1};
auto buffers2 = Buffers<T>{x_vec2, y_vec2, a_mat2, b_mat2, c_mat2, ap_mat2, scalar2};
auto status1 = run_reference_(args, buffers1, queue_);
auto status2 = run_routine_(args, buffers2, queue_);
// Tests for equality of the two status codes
TestErrorCodes(status1, status2, args);
}
TestEnd();
}
// =================================================================================================
// Compiles the templated class
template class TestBlas<half, half>;
template class TestBlas<float, float>;
template class TestBlas<double, double>;
template class TestBlas<float2, float2>;
template class TestBlas<double2, double2>;
template class TestBlas<float2, float>;
template class TestBlas<double2, double>;
// =================================================================================================
} // namespace clblast
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