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Add speed test

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This commit is contained in:
Dušan Poizl
2023-01-27 14:54:56 +01:00
parent 14d654a9e3
commit f8735a023d
3 changed files with 119 additions and 1 deletions
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test/benchmark.cpp
+110
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@@ -0,0 +1,110 @@
#include <iostream>
#include <random>
#include <QElapsedTimer>
#include "libxisf.h"
using namespace LibXISF;
template<typename T>
void benchmarkType(float avg, float stdDev)
{
std::mt19937 gen;
std::normal_distribution<float> normalDist {avg, stdDev};
UInt32 pixels = 2048*2048;
UInt32 size = pixels*sizeof(T);
QByteArray imageData;
imageData.resize(size);
T *ptr = (T*)imageData.data();
for(UInt32 i=0; i < pixels; i++)
{
ptr[i] = normalDist(gen);
}
QElapsedTimer timer;
Image image;
image.width = 2048;
image.height = 2048;
image.dataBlock.data = imageData;
double baseSize;
{
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
baseSize = xisfImage.size();
std::cout << "No compression \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s" << std::endl;
}
{
image.dataBlock.codec = DataBlock::Zlib;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "Zlib compression \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
{
image.dataBlock.codec = DataBlock::LZ4;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "LZ4 compression \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
{
image.dataBlock.codec = DataBlock::LZ4HC;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "LZ4HC compression \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
image.dataBlock.byteShuffling = sizeof(T);
{
image.dataBlock.codec = DataBlock::Zlib;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "Zlib compression SH \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
{
image.dataBlock.codec = DataBlock::LZ4;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "LZ4 compression SH \tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
{
image.dataBlock.codec = DataBlock::LZ4HC;
timer.start();
XISFWriter writer;
writer.writeImage(image);
QByteArray xisfImage;
writer.save(xisfImage);
std::cout << "LZ4HC compression SH\tElapsed time: " << timer.elapsed() << " " << "ms\tSpeed: "
<< size/1024.0/1.024/timer.elapsed() << "MiB/s\tRatio: " << baseSize/xisfImage.size() << std::endl;
}
}
void benchmark()
{
std::cout << "UInt16 sample type" << std::endl;
benchmarkType<UInt16>(500, 30);
std::cout << "Float32 sample type" << std::endl;
benchmarkType<float>(500 / 65535.0, 30 / 65535.0);
}
test/main.cpp
+6
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@@ -21,6 +21,8 @@
using namespace LibXISF;
void benchmark();
#define TEST(cond, msg) if(cond){ std::cerr << msg << std::endl; return 1; }
int main(int argc, char **argv)
@@ -68,6 +70,10 @@ int main(int argc, char **argv)
TEST(image.dataBlock.data != img0.dataBlock.data, "Images doesn't match");
TEST(img0.dataBlock.data != img1.dataBlock.data, "Images doesn't match");
}
else if(argc == 2 && argv[1] == QString("bench"))
{
benchmark();
}
else
{
LibXISF::XISFReader reader;