Updated det tests + PSHUFD det impl

This commit is contained in:
Christophe Riccio
2011-01-11 12:05:12 +00:00
parent e5c662b1a8
commit 4cb7bcd4f1
3 changed files with 140 additions and 51 deletions

View File

@@ -10,98 +10,104 @@
#define GLM_INSTRUCTION_SET GLM_PLATFORM_SSE3
#include <glm/glm.hpp>
#include <glm/gtx/simd_mat4.hpp>
#include <glm/gtx/random.hpp>
#include <iostream>
#include <ctime>
#include <vector>
#include <array>
void test_detA()
std::vector<float> test_detA(std::vector<glm::mat4> const & Data)
{
glm::mat4 Identity(
glm::vec4(4.0f, 0.7f, 0.1f, 0.01f),
glm::vec4(0.5f, 3.0f, 0.6f, 0.02f),
glm::vec4(0.2f, 0.4f, 2.0f, 0.03f),
glm::vec4(4.0f, 3.0f, 2.0f, 1.00f));
std::vector<float> Test(10000000);
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size(); ++i)
Test[i] = glm::determinant(Identity);
Test[i] = glm::determinant(Data[i]);
std::clock_t TimeEnd = clock();
printf("Det A: %d\n", TimeEnd - TimeStart);
return Test;
}
void test_detB()
std::vector<float> test_detB(std::vector<glm::mat4> const & Data)
{
glm::simd_mat4 IdentityB(
glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
std::vector<__m128> Test(10000000);
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size(); ++i)
Test[i] = glm::detail::sse_slow_det_ps(&IdentityB.Data[0].Data);
{
glm::simd_mat4 m(Data[i]);
Test[i] = glm::simd_vec4(glm::detail::sse_slow_det_ps((__m128 const * const)&m)).x;
}
std::clock_t TimeEnd = clock();
printf("Det B: %d\n", TimeEnd - TimeStart);
return Test;
}
void test_detC()
std::vector<float> test_detC(std::vector<glm::mat4> const & Data)
{
glm::simd_mat4 IdentityB(
glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
std::vector<__m128> Test(10000000);
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size(); ++i)
Test[i] = glm::detail::sse_det_ps(&IdentityB.Data[0].Data);
{
glm::simd_mat4 m(Data[i]);
Test[i] = glm::simd_vec4(glm::detail::sse_det_ps((__m128 const * const)&m)).x;
}
std::clock_t TimeEnd = clock();
printf("Det C: %d\n", TimeEnd - TimeStart);
return Test;
}
std::vector<float> test_detD(std::vector<glm::mat4> const & Data)
{
std::vector<float> Test(Data.size());
std::clock_t TimeStart = clock();
for(std::size_t i = 0; i < Test.size(); ++i)
{
glm::simd_mat4 m(Data[i]);
Test[i] = glm::simd_vec4(glm::detail::sse_detd_ps((__m128 const * const)&m)).x;
}
std::clock_t TimeEnd = clock();
printf("Det C: %d\n", TimeEnd - TimeStart);
return Test;
}
int main(int argc, void* argv[])
{
test_detA();
test_detB();
test_detC();
std::vector<glm::mat4> Data(1024 * 1024 * 16);
for(std::size_t i = 0; i < Data.size(); ++i)
Data[i] = glm::mat4(
glm::vec4(glm::compRand4(-2.0f, 2.0f)),
glm::vec4(glm::compRand4(-2.0f, 2.0f)),
glm::vec4(glm::compRand4(-2.0f, 2.0f)),
glm::vec4(glm::compRand4(-2.0f, 2.0f)));
std::vector<float> TestDetA = test_detA(Data);
std::vector<float> TestDetB = test_detB(Data);
std::vector<float> TestDetC = test_detC(Data);
std::vector<float> TestDetD = test_detD(Data);
for(std::size_t i = 0; i < TestDetA.size(); ++i)
if(TestDetA[i] != TestDetB[i] && TestDetC[i] != TestDetB[i] && TestDetC[i] != TestDetD[i])
return 1;
// shuffle test
glm::simd_vec4 A(1.0f, 2.0f, 3.0f, 4.0f);
glm::simd_vec4 B(5.0f, 6.0f, 7.0f, 8.0f);
__m128 C = _mm_shuffle_ps(A.Data, B.Data, _MM_SHUFFLE(1, 0, 1, 0));
glm::mat4 IdentityA(
glm::vec4(4.0f, 0.7f, 0.1f, 0.01f),
glm::vec4(0.5f, 3.0f, 0.6f, 0.02f),
glm::vec4(0.2f, 0.4f, 2.0f, 0.03f),
glm::vec4(4.0f, 3.0f, 2.0f, 1.00f));
float DetA = glm::determinant(IdentityA);
glm::simd_mat4 IdentityB(
glm::simd_vec4(4.0f, 0.7f, 0.1f, 0.01f),
glm::simd_vec4(0.5f, 3.0f, 0.6f, 0.02f),
glm::simd_vec4(0.2f, 0.4f, 2.0f, 0.03f),
glm::simd_vec4(4.0f, 3.0f, 2.0f, 1.00f));
__m128 DetB = glm::detail::sse_slow_det_ps(&IdentityB.Data[0].Data);
__m128 DetC = glm::detail::sse_det_ps(&IdentityB.Data[0].Data);
std::vector<float> TestA(100000);
std::vector<__m128> TestB(100000);
std::vector<__m128> TestC(100000);
return 0;
}