mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-12-11 06:55:40 +00:00
151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
|
#define GLM_FORCE_INLINE
|
||
|
#include <glm/matrix.hpp>
|
||
|
#include <glm/ext/matrix_float4x4.hpp>
|
||
|
#include <glm/ext/matrix_double4x4.hpp>
|
||
|
#include <glm/ext/matrix_relational.hpp>
|
||
|
#include <glm/ext/vector_float4.hpp>
|
||
|
#if GLM_CONFIG_SIMD == GLM_ENABLE
|
||
|
#include <glm/gtc/type_aligned.hpp>
|
||
|
#include <vector>
|
||
|
#include <chrono>
|
||
|
#include <cstdio>
|
||
|
|
||
|
template <typename matType>
|
||
|
static void test_mat_transpose(std::vector<matType> const& I, std::vector<matType>& O)
|
||
|
{
|
||
|
for (std::size_t i = 0, n = I.size(); i < n; ++i)
|
||
|
O[i] = glm::transpose(I[i]);
|
||
|
}
|
||
|
|
||
|
template <typename matType>
|
||
|
static int launch_mat_transpose(std::vector<matType>& O, matType const& Scale, std::size_t Samples)
|
||
|
{
|
||
|
typedef typename matType::value_type T;
|
||
|
|
||
|
std::vector<matType> I(Samples);
|
||
|
O.resize(Samples);
|
||
|
|
||
|
for(std::size_t i = 0; i < Samples; ++i)
|
||
|
I[i] = Scale * static_cast<T>(i) + Scale;
|
||
|
|
||
|
std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
|
||
|
test_mat_transpose<matType>(I, O);
|
||
|
std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
|
||
|
|
||
|
return static_cast<int>(std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1).count());
|
||
|
}
|
||
|
|
||
|
template <typename packedMatType, typename alignedMatType>
|
||
|
static int comp_mat2_transpose(std::size_t Samples)
|
||
|
{
|
||
|
typedef typename packedMatType::value_type T;
|
||
|
|
||
|
int Error = 0;
|
||
|
|
||
|
packedMatType const Scale(0.01, 0.02, 0.03, 0.05);
|
||
|
|
||
|
std::vector<packedMatType> SISD;
|
||
|
std::printf("- SISD: %d us\n", launch_mat_transpose<packedMatType>(SISD, Scale, Samples));
|
||
|
|
||
|
std::vector<alignedMatType> SIMD;
|
||
|
std::printf("- SIMD: %d us\n", launch_mat_transpose<alignedMatType>(SIMD, Scale, Samples));
|
||
|
|
||
|
for(std::size_t i = 0; i < Samples; ++i)
|
||
|
{
|
||
|
packedMatType const A = SISD[i];
|
||
|
packedMatType const B = SIMD[i];
|
||
|
Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
|
||
|
assert(!Error);
|
||
|
}
|
||
|
|
||
|
return Error;
|
||
|
}
|
||
|
|
||
|
template <typename packedMatType, typename alignedMatType>
|
||
|
static int comp_mat3_transpose(std::size_t Samples)
|
||
|
{
|
||
|
typedef typename packedMatType::value_type T;
|
||
|
|
||
|
int Error = 0;
|
||
|
|
||
|
packedMatType const Scale(0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05, 0.01);
|
||
|
|
||
|
std::vector<packedMatType> SISD;
|
||
|
std::printf("- SISD: %d us\n", launch_mat_transpose<packedMatType>(SISD, Scale, Samples));
|
||
|
|
||
|
std::vector<alignedMatType> SIMD;
|
||
|
std::printf("- SIMD: %d us\n", launch_mat_transpose<alignedMatType>(SIMD, Scale, Samples));
|
||
|
|
||
|
for(std::size_t i = 0; i < Samples; ++i)
|
||
|
{
|
||
|
packedMatType const A = SISD[i];
|
||
|
packedMatType const B = SIMD[i];
|
||
|
Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
|
||
|
assert(!Error);
|
||
|
}
|
||
|
|
||
|
return Error;
|
||
|
}
|
||
|
|
||
|
template <typename packedMatType, typename alignedMatType>
|
||
|
static int comp_mat4_transpose(std::size_t Samples)
|
||
|
{
|
||
|
typedef typename packedMatType::value_type T;
|
||
|
|
||
|
int Error = 0;
|
||
|
|
||
|
packedMatType const Scale(0.01, 0.02, 0.05, 0.04, 0.02, 0.08, 0.05, 0.01, 0.08, 0.03, 0.05, 0.06, 0.02, 0.03, 0.07, 0.05);
|
||
|
|
||
|
std::vector<packedMatType> SISD;
|
||
|
std::printf("- SISD: %d us\n", launch_mat_transpose<packedMatType>(SISD, Scale, Samples));
|
||
|
|
||
|
std::vector<alignedMatType> SIMD;
|
||
|
std::printf("- SIMD: %d us\n", launch_mat_transpose<alignedMatType>(SIMD, Scale, Samples));
|
||
|
|
||
|
for(std::size_t i = 0; i < Samples; ++i)
|
||
|
{
|
||
|
packedMatType const A = SISD[i];
|
||
|
packedMatType const B = SIMD[i];
|
||
|
Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
|
||
|
assert(!Error);
|
||
|
}
|
||
|
|
||
|
return Error;
|
||
|
}
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
std::size_t const Samples = 100000;
|
||
|
|
||
|
int Error = 0;
|
||
|
|
||
|
std::printf("glm::transpose(mat2):\n");
|
||
|
Error += comp_mat2_transpose<glm::mat2, glm::aligned_mat2>(Samples);
|
||
|
|
||
|
std::printf("glm::transpose(dmat2):\n");
|
||
|
Error += comp_mat2_transpose<glm::dmat2, glm::aligned_dmat2>(Samples);
|
||
|
|
||
|
std::printf("glm::transpose(mat3):\n");
|
||
|
Error += comp_mat3_transpose<glm::mat3, glm::aligned_mat3>(Samples);
|
||
|
|
||
|
std::printf("glm::transpose(dmat3):\n");
|
||
|
Error += comp_mat3_transpose<glm::dmat3, glm::aligned_dmat3>(Samples);
|
||
|
|
||
|
std::printf("glm::transpose(mat4):\n");
|
||
|
Error += comp_mat4_transpose<glm::mat4, glm::aligned_mat4>(Samples);
|
||
|
|
||
|
std::printf("glm::transpose(dmat4):\n");
|
||
|
Error += comp_mat4_transpose<glm::dmat4, glm::aligned_dmat4>(Samples);
|
||
|
|
||
|
return Error;
|
||
|
}
|
||
|
|
||
|
#else
|
||
|
|
||
|
int main()
|
||
|
{
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#endif
|