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108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2010 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2010-09-16
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// Updated : 2010-09-16
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// Licence : This source is under MIT licence
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// File : test/gtx/simd-mat4.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#define GLM_INSTRUCTION_SET GLM_PLATFORM_SSE3
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#include <glm/glm.hpp>
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#include <glm/gtx/simd_mat4.hpp>
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#include <iostream>
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#include <ctime>
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#include <vector>
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void test_detA()
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{
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glm::mat4 Identity(
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glm::vec4(4.0f, 0.7f, 0.1f, 0.01f),
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glm::vec4(0.5f, 3.0f, 0.6f, 0.02f),
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glm::vec4(0.2f, 0.4f, 2.0f, 0.03f),
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glm::vec4(4.0f, 3.0f, 2.0f, 1.00f));
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std::vector<float> Test(10000000);
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std::clock_t TimeStart = clock();
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for(std::size_t i = 0; i < Test.size(); ++i)
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Test[i] = glm::determinant(Identity);
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std::clock_t TimeEnd = clock();
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printf("Det A: %d\n", TimeEnd - TimeStart);
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}
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void test_detB()
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{
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glm::simd_mat4 IdentityB(
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glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
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glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
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glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
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glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
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std::vector<__m128> Test(10000000);
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std::clock_t TimeStart = clock();
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for(std::size_t i = 0; i < Test.size(); ++i)
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Test[i] = glm::detail::sse_slow_det_ps(&IdentityB.Data[0].Data);
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std::clock_t TimeEnd = clock();
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printf("Det B: %d\n", TimeEnd - TimeStart);
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}
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void test_detC()
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{
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glm::simd_mat4 IdentityB(
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glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
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glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
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glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
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glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
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std::vector<__m128> Test(10000000);
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std::clock_t TimeStart = clock();
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for(std::size_t i = 0; i < Test.size(); ++i)
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Test[i] = glm::detail::sse_det_ps(&IdentityB.Data[0].Data);
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std::clock_t TimeEnd = clock();
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printf("Det C: %d\n", TimeEnd - TimeStart);
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}
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int main(int argc, void* argv[])
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{
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test_detA();
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test_detB();
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test_detC();
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// shuffle test
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glm::simd_vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
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glm::simd_vec4 B(5.0f, 6.0f, 7.0f, 8.0f);
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__m128 C = _mm_shuffle_ps(A.Data, B.Data, _MM_SHUFFLE(1, 0, 1, 0));
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glm::mat4 IdentityA(
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glm::vec4(4.0f, 0.7f, 0.1f, 0.01f),
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glm::vec4(0.5f, 3.0f, 0.6f, 0.02f),
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glm::vec4(0.2f, 0.4f, 2.0f, 0.03f),
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glm::vec4(4.0f, 3.0f, 2.0f, 1.00f));
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float DetA = glm::determinant(IdentityA);
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glm::simd_mat4 IdentityB(
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glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
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glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
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glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
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glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
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__m128 DetB = glm::detail::sse_slow_det_ps(&IdentityB.Data[0].Data);
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__m128 DetC = glm::detail::sse_det_ps(&IdentityB.Data[0].Data);
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std::vector<float> TestA(100000);
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std::vector<__m128> TestB(100000);
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std::vector<__m128> TestC(100000);
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return 0;
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}
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