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authorrtk0c <[email protected]>2022-05-22 01:08:24 -0700
committerrtk0c <[email protected]>2022-05-22 01:08:24 -0700
commitc568f0a8c9f0aef00c770b494ee1ff3a89ab48de (patch)
tree1dc1e69d796e635cdac6a4ef7e6d3a90ab1423c2 /3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp
parenta5db6bd3cc4af5233010ff44d0572ddf98b43c9d (diff)
Changeset: 35 Fix missing sources in git submodules after migration to PlasticSCM
Diffstat (limited to '3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp')
-rw-r--r--3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp154
1 files changed, 154 insertions, 0 deletions
diff --git a/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp b/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp
new file mode 100644
index 0000000..8e555f8
--- /dev/null
+++ b/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp
@@ -0,0 +1,154 @@
+#define GLM_FORCE_INLINE
+#include <glm/ext/matrix_float2x2.hpp>
+#include <glm/ext/matrix_double2x2.hpp>
+#include <glm/ext/matrix_float3x3.hpp>
+#include <glm/ext/matrix_double3x3.hpp>
+#include <glm/ext/matrix_float4x4.hpp>
+#include <glm/ext/matrix_double4x4.hpp>
+#include <glm/ext/matrix_transform.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, typename vecType>
+static void test_mat_mul_vec(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>
+static int launch_mat_mul_vec(std::vector<vecType>& O, matType const& Transform, vecType const& Scale, std::size_t Samples)
+{
+ typedef typename matType::value_type T;
+
+ std::vector<vecType> I(Samples);
+ O.resize(Samples);
+
+ 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_mat_mul_vec<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>
+static int comp_mat2_mul_vec2(std::size_t Samples)
+{
+ typedef typename packedMatType::value_type T;
+
+ int Error = 0;
+
+ packedMatType const Transform(1, 2, 3, 4);
+ packedVecType const Scale(0.01, 0.02);
+
+ std::vector<packedVecType> SISD;
+ std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
+
+ std::vector<alignedVecType> SIMD;
+ std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
+
+ for(std::size_t i = 0; i < Samples; ++i)
+ {
+ packedVecType const A = SISD[i];
+ packedVecType const B = packedVecType(SIMD[i]);
+ Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+ }
+
+ return Error;
+}
+
+template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
+static int comp_mat3_mul_vec3(std::size_t Samples)
+{
+ typedef typename packedMatType::value_type T;
+
+ int Error = 0;
+
+ packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9);
+ packedVecType const Scale(0.01, 0.02, 0.05);
+
+ std::vector<packedVecType> SISD;
+ std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
+
+ std::vector<alignedVecType> SIMD;
+ std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
+
+ for(std::size_t i = 0; i < Samples; ++i)
+ {
+ packedVecType const A = SISD[i];
+ packedVecType const B = SIMD[i];
+ Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+ }
+
+ return Error;
+}
+
+template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
+static int comp_mat4_mul_vec4(std::size_t Samples)
+{
+ typedef typename packedMatType::value_type T;
+
+ int Error = 0;
+
+ packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
+ packedVecType const Scale(0.01, 0.02, 0.03, 0.05);
+
+ std::vector<packedVecType> SISD;
+ std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
+
+ std::vector<alignedVecType> SIMD;
+ std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
+
+ for(std::size_t i = 0; i < Samples; ++i)
+ {
+ packedVecType const A = SISD[i];
+ packedVecType const B = SIMD[i];
+ Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
+ }
+
+ return Error;
+}
+
+int main()
+{
+ std::size_t const Samples = 100000;
+
+ int Error = 0;
+
+ std::printf("mat2 * vec2:\n");
+ Error += comp_mat2_mul_vec2<glm::mat2, glm::vec2, glm::aligned_mat2, glm::aligned_vec2>(Samples);
+
+ std::printf("dmat2 * dvec2:\n");
+ Error += comp_mat2_mul_vec2<glm::dmat2, glm::dvec2,glm::aligned_dmat2, glm::aligned_dvec2>(Samples);
+
+ std::printf("mat3 * vec3:\n");
+ Error += comp_mat3_mul_vec3<glm::mat3, glm::vec3, glm::aligned_mat3, glm::aligned_vec3>(Samples);
+
+ std::printf("dmat3 * dvec3:\n");
+ Error += comp_mat3_mul_vec3<glm::dmat3, glm::dvec3, glm::aligned_dmat3, glm::aligned_dvec3>(Samples);
+
+ std::printf("mat4 * vec4:\n");
+ Error += comp_mat4_mul_vec4<glm::mat4, glm::vec4, glm::aligned_mat4, glm::aligned_vec4>(Samples);
+
+ std::printf("dmat4 * dvec4:\n");
+ Error += comp_mat4_mul_vec4<glm::dmat4, glm::dvec4, glm::aligned_dmat4, glm::aligned_dvec4>(Samples);
+
+ return Error;
+}
+
+#else
+
+int main()
+{
+ return 0;
+}
+
+#endif