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Revert SIMD improv 7f2a5b89b3

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This commit is contained in:
Christophe
2024-02-13 21:43:57 +01:00
committed by Christophe
parent 5d73e17e58
commit adf31f555e
34 changed files with 1545 additions and 2852 deletions
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86
test/perf/perf_vector_mul_matrix.cpp
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@@ -14,30 +14,14 @@
#include <chrono>
#include <cstdio>
template <typename matType, typename vecType, bool reverseOp>
struct test_vec_mul_mat {};
template <typename matType, typename vecType>
static void test_vec_mul_mat(matType const& M, std::vector<vecType> const& I, std::vector<vecType>& O)
{
for (std::size_t i = 0, n = I.size(); i < n; ++i)
O[i] = I[i] * M;
}
template <typename matType, typename vecType>
struct test_vec_mul_mat< matType, vecType, false>
{
void operator()(matType const& M, std::vector<vecType> const& I, std::vector<vecType>& O)
{
for (std::size_t i = 0, n = I.size(); i < n; ++i)
O[i] = I[i] * M;
}
};
template <typename matType, typename vecType>
struct test_vec_mul_mat< matType, vecType, true>
{
void operator()(matType const& M, std::vector<vecType> const& I, std::vector<vecType>& O)
{
for (std::size_t i = 0, n = I.size(); i < n; ++i)
O[i] = M * I[i];
}
};
template <typename matType, typename vecType, bool reverseOp>
static int launch_vec_mul_mat(std::vector<vecType>& O, matType const& Transform, vecType const& Scale, std::size_t Samples)
{
typedef typename matType::value_type T;
@@ -45,20 +29,17 @@ static int launch_vec_mul_mat(std::vector<vecType>& O, matType const& Transform,
std::vector<vecType> I(Samples);
O.resize(Samples);
memset(I.data(), 0, I.size() * sizeof(vecType));
for(std::size_t i = 0; i < Samples; ++i)
I[i] = Scale * static_cast<T>(i);
std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
test_vec_mul_mat<matType, vecType, reverseOp> fct;
fct(Transform, I, O);
test_vec_mul_mat<matType, vecType>(Transform, 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 packedVecType, typename alignedMatType, typename alignedVecType, bool reverseOp>
template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
static int comp_vec2_mul_mat2(std::size_t Samples)
{
typedef typename packedMatType::value_type T;
@@ -69,10 +50,10 @@ static int comp_vec2_mul_mat2(std::size_t Samples)
packedVecType const Scale(0.01, 0.02);
std::vector<packedVecType> SISD;
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType, reverseOp>(SISD, Transform, Scale, Samples));
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
std::vector<alignedVecType> SIMD;
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType, reverseOp>(SIMD, Transform, Scale, Samples));
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
for(std::size_t i = 0; i < Samples; ++i)
{
@@ -84,7 +65,7 @@ static int comp_vec2_mul_mat2(std::size_t Samples)
return Error;
}
template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType, bool reverseOp>
template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
static int comp_vec3_mul_mat3(std::size_t Samples)
{
typedef typename packedMatType::value_type T;
@@ -95,10 +76,10 @@ static int comp_vec3_mul_mat3(std::size_t Samples)
packedVecType const Scale(0.01, 0.02, 0.05);
std::vector<packedVecType> SISD;
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType, reverseOp>(SISD, Transform, Scale, Samples));
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
std::vector<alignedVecType> SIMD;
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType, reverseOp>(SIMD, Transform, Scale, Samples));
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
for(std::size_t i = 0; i < Samples; ++i)
{
@@ -110,7 +91,7 @@ static int comp_vec3_mul_mat3(std::size_t Samples)
return Error;
}
template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType, bool reverseOp>
template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
static int comp_vec4_mul_mat4(std::size_t Samples)
{
typedef typename packedMatType::value_type T;
@@ -121,10 +102,10 @@ static int comp_vec4_mul_mat4(std::size_t Samples)
packedVecType const Scale(0.01, 0.02, 0.03, 0.05);
std::vector<packedVecType> SISD;
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType, reverseOp>(SISD, Transform, Scale, Samples));
std::printf("- SISD: %d us\n", launch_vec_mul_mat<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
std::vector<alignedVecType> SIMD;
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType, reverseOp>(SIMD, Transform, Scale, Samples));
std::printf("- SIMD: %d us\n", launch_vec_mul_mat<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
for(std::size_t i = 0; i < Samples; ++i)
{
@@ -143,41 +124,22 @@ int main()
int Error = 0;
std::printf("vec2 * mat2:\n");
Error += comp_vec2_mul_mat2<glm::mat2, glm::vec2, glm::aligned_mat2, glm::aligned_vec2, false>(Samples);
Error += comp_vec2_mul_mat2<glm::mat2, glm::vec2, glm::aligned_mat2, glm::aligned_vec2>(Samples);
std::printf("dvec2 * dmat2:\n");
Error += comp_vec2_mul_mat2<glm::dmat2, glm::dvec2,glm::aligned_dmat2, glm::aligned_dvec2, false>(Samples);
Error += comp_vec2_mul_mat2<glm::dmat2, glm::dvec2,glm::aligned_dmat2, glm::aligned_dvec2>(Samples);
std::printf("vec3 * mat3:\n");
Error += comp_vec3_mul_mat3<glm::mat3, glm::vec3, glm::aligned_mat3, glm::aligned_vec3, false>(Samples);
Error += comp_vec3_mul_mat3<glm::mat3, glm::vec3, glm::aligned_mat3, glm::aligned_vec3>(Samples);
std::printf("dvec3 * dmat3:\n");
Error += comp_vec3_mul_mat3<glm::dmat3, glm::dvec3, glm::aligned_dmat3, glm::aligned_dvec3, false>(Samples);
Error += comp_vec3_mul_mat3<glm::dmat3, glm::dvec3, glm::aligned_dmat3, glm::aligned_dvec3>(Samples);
std::printf("vec4 * mat4:\n");
Error += comp_vec4_mul_mat4<glm::mat4, glm::vec4, glm::aligned_mat4, glm::aligned_vec4, false>(Samples);
Error += comp_vec4_mul_mat4<glm::mat4, glm::vec4, glm::aligned_mat4, glm::aligned_vec4>(Samples);
std::printf("dvec4 * dmat4:\n");
Error += comp_vec4_mul_mat4<glm::dmat4, glm::dvec4, glm::aligned_dmat4, glm::aligned_dvec4, false>(Samples);
std::printf("mat2 * vec2:\n");
Error += comp_vec2_mul_mat2<glm::mat2, glm::vec2, glm::aligned_mat2, glm::aligned_vec2, true>(Samples);
std::printf("dmat2 * dvec2 :\n");
Error += comp_vec2_mul_mat2<glm::dmat2, glm::dvec2, glm::aligned_dmat2, glm::aligned_dvec2, true>(Samples);
std::printf("mat3 * vec3:\n");
Error += comp_vec3_mul_mat3<glm::mat3, glm::vec3, glm::aligned_mat3, glm::aligned_vec3, true>(Samples);
std::printf("dmat3 * dvec3 :\n");
Error += comp_vec3_mul_mat3<glm::dmat3, glm::dvec3, glm::aligned_dmat3, glm::aligned_dvec3, true>(Samples);
std::printf("mat4 * vec4 :\n");
Error += comp_vec4_mul_mat4<glm::mat4, glm::vec4, glm::aligned_mat4, glm::aligned_vec4, true>(Samples);
std::printf("dmat4 * dvec4 :\n");
Error += comp_vec4_mul_mat4<glm::dmat4, glm::dvec4, glm::aligned_dmat4, glm::aligned_dvec4, true>(Samples);
Error += comp_vec4_mul_mat4<glm::dmat4, glm::dvec4, glm::aligned_dmat4, glm::aligned_dvec4>(Samples);
return Error;
}