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Copy pathtestcolortwist.cpp
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236 lines (199 loc) · 10.1 KB
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#include <iostream>
#include <memory>
#include <chrono>
#include <colortwist.h>
#include <random>
using namespace std;
using namespace colortwist;
static void TestBgr48(int repeats);
static void TestBgr24(int repeats);
static void CompareUint16(const char* functionName, const uint16_t* ptr1, const uint16_t* ptr2, size_t length, uint8_t maxDiff);
static void CompareUint8(const char* functionName, const uint8_t* ptr1, const uint8_t* ptr2, size_t length, uint8_t maxDiff);
int main(int argc, char** argv)
{
int repeats = 100;
for (int i = 1; i < argc; ++i)
{
std::string arg = argv[i];
if ((arg == "-r" || arg == "--repeats") && i + 1 < argc)
{
repeats = std::atoi(argv[++i]);
if (repeats <= 0)
{
std::cerr << "Error: The number of repeats must be a positive integer." << endl;
return 1;
}
}
}
std::cout << "Repeats: " << repeats << endl;
TestBgr24(repeats);
TestBgr48(repeats);
return 0;
}
void FillWithRandom(void* p, size_t size)
{
uint8_t* dst = static_cast<uint8_t*>(p);
std::random_device rd;
std::mt19937 gen(rd()); //seed for rd(Mersenne twister)
std::uniform_int_distribution<uint32_t> dist(0, 0xFFFFFFFFu);
uint32_t bits = 0;
for (size_t i = 0; i < size; ++i)
{
if ((i % 4) == 0)
{
bits = dist(gen);
}
*dst++ = static_cast<uint8_t>(bits);
bits >>= 8;
}
}
static void TestBgr48(const string& name, ImplementationType type, int repeats, int width, int height, const void* pSrc, int strideSrc, void* pDst, int strideDst)
{
static const float twistMatrix[4 * 3] =
{
1, 2, 3, 4,
5, 6, 7, 8,
1.1f, 1.2f, 1.3f, 1.4f
};
const auto start = std::chrono::high_resolution_clock::now();
for (int i = 0; i < repeats; ++i)
{
colorTwistRGB48(type, pSrc, width, height, strideSrc, pDst, strideDst, twistMatrix);
}
const size_t dataSize = height * strideSrc;
const auto end = std::chrono::high_resolution_clock::now();
const std::chrono::duration<double> elapsed_seconds = end - start;
cout << name << " -> " << elapsed_seconds.count() << "s, " << (repeats * dataSize / elapsed_seconds.count()) / 1e6 << "MB/s" << endl;
}
static void TestBgr24(const string& name, ImplementationType type, int repeats, int width, int height, const void* pSrc, int strideSrc, void* pDst, int strideDst)
{
static const float twistMatrix[4 * 3] =
{
0.1f, 0.2f, 0.3f, 0.4f,
0.5f, 0.6f, 0.7f, 0.8f,
1.1f, 1.2f, 1.3f, 1.4f
};
const auto start = std::chrono::high_resolution_clock::now();
for (int i = 0; i < repeats; ++i)
{
colorTwistRGB24(type, pSrc, width, height, strideSrc, pDst, strideDst, twistMatrix);
}
const size_t dataSize = height * strideSrc;
const auto end = std::chrono::high_resolution_clock::now();
const std::chrono::duration<double> elapsed_seconds = end - start;
cout << name << " -> " << elapsed_seconds.count() << "s, " << (repeats * dataSize / elapsed_seconds.count()) / 1e6 << "MB/s" << endl;
}
void TestBgr48(int repeats)
{
const int Width = 2049;
const int Height = 2048;
const size_t StrideSrc = Width * 3 * 2;
const size_t StrideDst = Width * 3 * 2;
const size_t bitmapSize = Width * Height * 3 * sizeof(uint16_t);
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upSrc(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
FillWithRandom(upSrc.get(), bitmapSize);
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upDstC(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_C", ImplementationType::PlainC, repeats, Width, Height, upSrc.get(), StrideSrc, upDstC.get(), StrideDst);
if (isOperationalRgb48(ImplementationType::IPP))
{
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upDstIpp(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_IPP", ImplementationType::IPP, repeats, Width, Height, upSrc.get(), StrideSrc, upDstIpp.get(), StrideDst);
CompareUint16("colorTwistRGB48- C vs IPP", upDstC.get(), upDstIpp.get(), bitmapSize / 2, 1);
}
if (isOperationalRgb48(ImplementationType::X64_AVX))
{
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upDstAvx(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_AVX", ImplementationType::X64_AVX, repeats, Width, Height, upSrc.get(), StrideSrc, upDstAvx.get(), StrideDst);
CompareUint16("colorTwistRGB48: C vs AVX", upDstC.get(), upDstAvx.get(), bitmapSize / 2, 1);
}
if (isOperationalRgb24(ImplementationType::X86_SSE))
{
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upDstSse(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_SSE", ImplementationType::X86_SSE, repeats, Width, Height, upSrc.get(), StrideSrc, upDstSse.get(), StrideDst);
CompareUint16("colorTwistRGB48: C vs SSE", upDstC.get(), upDstSse.get(), bitmapSize / 2, 1);
}
if (isOperationalRgb48(ImplementationType::ARM_NEON))
{
std::unique_ptr<uint16_t, void (*)(uint16_t*)> upDstNeon2(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_NEON", ImplementationType::ARM_NEON, repea
951D
ts, Width, Height, upSrc.get(), StrideSrc, upDstNeon2.get(), StrideDst);
CompareUint16("colorTwistRGB48: C vs NEON", upDstC.get(), upDstNeon2.get(), bitmapSize / 2, 1);
}
if (isOperationalRgb48(ImplementationType::RISCV_VECTOREXTENSIONS))
{
std::unique_ptr<uint16_t, void (*)(uint16_t*)> up_dest_riscv(static_cast<uint16_t*>(malloc(bitmapSize)), [](uint16_t* p) -> void { free(p); });
TestBgr48("colorTwistRGB48_RISCV_VectorExtensions", ImplementationType::RISCV_VECTOREXTENSIONS, repeats, Width, Height, upSrc.get(), StrideSrc, up_dest_riscv.get(), StrideDst);
CompareUint16("colorTwistRGB48: C vs RISCV_VectorExtensions", upDstC.get(), up_dest_riscv.get(), bitmapSize / 2, 1);
}
}
void TestBgr24(int repeats)
{
const int Width = 2048;
const int Height = 2048;
const size_t StrideSrc = Width * 3;
const size_t StrideDst = Width * 3;
const size_t bitmapSize = Width * Height * 3 * sizeof(uint8_t);
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upSrc(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
FillWithRandom(upSrc.get(), bitmapSize);
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upDstC(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_C", ImplementationType::PlainC, repeats, Width, Height, upSrc.get(), StrideSrc, upDstC.get(), StrideDst);
if (isOperationalRgb24(ImplementationType::IPP))
{
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upDstIpp(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_IPP", ImplementationType::IPP, repeats, Width, Height, upSrc.get(), StrideSrc, upDstIpp.get(), StrideDst);
CompareUint8("colorTwistRGB24- C vs IPP", upDstC.get(), upDstIpp.get(), bitmapSize, 1);
}
if (isOperationalRgb24(ImplementationType::X64_AVX))
{
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upDstAvx(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_AVX", ImplementationType::X64_AVX, repeats, Width, Height, upSrc.get(), StrideSrc, upDstAvx.get(), StrideDst);
CompareUint8("colorTwistRGB24: C vs AVX", upDstC.get(), upDstAvx.get(), bitmapSize, 1);
}
if (isOperationalRgb24(ImplementationType::X86_SSE))
{
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upDstSse(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_SSE", ImplementationType::X86_SSE, repeats, Width, Height, upSrc.get(), StrideSrc, upDstSse.get(), StrideDst);
CompareUint8("colorTwistRGB24: C vs SSE", upDstC.get(), upDstSse.get(), bitmapSize, 1);
}
if (isOperationalRgb24(ImplementationType::ARM_NEON))
{
std::unique_ptr<uint8_t, void (*)(uint8_t*)> upDstNeon2(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_NEON", ImplementationType::ARM_NEON, repeats, Width, Height, upSrc.get(), StrideSrc, upDstNeon2.get(), StrideDst);
CompareUint8("colorTwistRGB24: C vs NEON", upDstC.get(), upDstNeon2.get(), bitmapSize, 1);
}
if (isOperationalRgb24(ImplementationType::RISCV_VECTOREXTENSIONS))
{
std::unique_ptr<uint8_t, void (*)(uint8_t*)> up_dest_riscv(static_cast<uint8_t*>(malloc(bitmapSize)), [](uint8_t* p) -> void { free(p); });
TestBgr24("colorTwistRGB24_RISCV_VectorExtensions", ImplementationType::RISCV_VECTOREXTENSIONS, repeats, Width, Height, upSrc.get(), StrideSrc, up_dest_riscv.get(), StrideDst);
CompareUint8("colorTwistRGB24: C vs RISCV_VectorExtensions", upDstC.get(), up_dest_riscv.get(), bitmapSize, 1);
}
}
void CompareUint16(const char* functionName, const uint16_t* ptr1, const uint16_t* ptr2, size_t length, uint8_t maxDiff)
{
bool isOk = true;
for (size_t i = 0; i < length; ++i)
{
auto a = *ptr1++;
auto b = *ptr2++;
if (abs(a - b) > maxDiff)
{
cout << "Offset " << i << " src: " << a << " dst:" << b << endl;
isOk = false;
}
}
cout << functionName << " -> " << ((isOk) ? "OK" : "FAILURE") << endl;
}
void CompareUint8(const char* functionName, const uint8_t* ptr1, const uint8_t* ptr2, size_t length, uint8_t maxDiff)
{
bool isOk = true;
for (size_t i = 0; i < length; ++i)
{
auto a = *ptr1++;
auto b = *ptr2++;
if (abs(a - b) > maxDiff)
{
cout << "Offset " << i << " src: " << static_cast<int>(a) << " dst:" << static_cast<int>(b) << endl;
isOk = false;
}
}
cout << functionName << " -> " << ((isOk) ? "OK" : "FAILURE") << endl;
}