From 6a45579dbbf991c0e12ce59958e3b533d19fc9d4 Mon Sep 17 00:00:00 2001
From: jjesswan <jessica_wan@brown.edu>
Date: Tue, 7 May 2024 06:02:29 -0400
Subject: rotating skyboxgit add -A

---
 glm-master/test/perf/perf_matrix_transpose.cpp | 150 +++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 glm-master/test/perf/perf_matrix_transpose.cpp

(limited to 'glm-master/test/perf/perf_matrix_transpose.cpp')

diff --git a/glm-master/test/perf/perf_matrix_transpose.cpp b/glm-master/test/perf/perf_matrix_transpose.cpp
new file mode 100644
index 0000000..2fdc782
--- /dev/null
+++ b/glm-master/test/perf/perf_matrix_transpose.cpp
@@ -0,0 +1,150 @@
+#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
-- 
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