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introduce a benchmark mode

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This commit is contained in:
tildearrow 2022-07-19 17:01:19 -05:00
parent a4741861ce
commit cd7b333b2d
4 changed files with 119 additions and 2 deletions
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60
src/engine/engine.cpp
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@ -36,6 +36,7 @@
#include "../audio/jack.h"
#endif
#include <math.h>
#include <float.h>
#ifdef HAVE_SNDFILE
#include "sfWrapper.h"
#endif
@ -181,6 +182,63 @@ void DivEngine::walkSong(int& loopOrder, int& loopRow, int& loopEnd) {
}
}
#define EXPORT_BUFSIZE 2048
double DivEngine::benchmarkPlayback() {
float* outBuf[2];
outBuf[0]=new float[EXPORT_BUFSIZE];
outBuf[1]=new float[EXPORT_BUFSIZE];
curOrder=0;
prevOrder=0;
remainingLoops=1;
playSub(false);
std::chrono::high_resolution_clock::time_point timeStart=std::chrono::high_resolution_clock::now();
// benchmark
while (playing) {
nextBuf(NULL,outBuf,0,2,EXPORT_BUFSIZE);
}
std::chrono::high_resolution_clock::time_point timeEnd=std::chrono::high_resolution_clock::now();
delete[] outBuf[0];
delete[] outBuf[1];
double t=(double)(std::chrono::duration_cast<std::chrono::microseconds>(timeEnd-timeStart).count())/1000000.0;
printf("[RESULT] %fs\n",t);
return t;
}
double DivEngine::benchmarkSeek() {
double t[20];
curOrder=curSubSong->ordersLen-1;
prevOrder=curSubSong->ordersLen-1;
// benchmark
for (int i=0; i<20; i++) {
std::chrono::high_resolution_clock::time_point timeStart=std::chrono::high_resolution_clock::now();
playSub(false);
std::chrono::high_resolution_clock::time_point timeEnd=std::chrono::high_resolution_clock::now();
t[i]=(double)(std::chrono::duration_cast<std::chrono::microseconds>(timeEnd-timeStart).count())/1000000.0;
printf("[#%d] %fs\n",i+1,t[i]);
}
double tMin=DBL_MAX;
double tMax=0.0;
double tAvg=0.0;
for (int i=0; i<20; i++) {
if (t[i]<tMin) tMin=t[i];
if (t[i]>tMax) tMax=t[i];
tAvg+=t[i];
}
tAvg/=20.0;
printf("[RESULT] min %fs max %fs average %fs\n",tMin,tMax,tAvg);
return tAvg;
}
void _runExportThread(DivEngine* caller) {
caller->runExportThread();
}
@ -189,8 +247,6 @@ bool DivEngine::isExporting() {
return exporting;
}
#define EXPORT_BUFSIZE 2048
#ifdef HAVE_SNDFILE
void DivEngine::runExportThread() {
size_t fadeOutSamples=got.rate*exportFadeOut;