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Moved benchmark to separate header, output summary to stdout

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Refs #269
This commit is contained in:
saschawillems 2017-08-26 14:05:48 +02:00
parent 25813e79e7
commit b4870a6e7e
5 changed files with 92 additions and 63 deletions
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44
base/vulkanexamplebase.cpp
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@ -266,47 +266,12 @@ void VulkanExampleBase::renderFrame()
}
}
void VulkanExampleBase::benchmarkLoop()
{
for (uint32_t i = 0; i < benchmark.iterations; i++) {
for (uint32_t f = 0; f < 1000; f++) {
auto tStart = std::chrono::high_resolution_clock::now();
render();
auto tEnd = std::chrono::high_resolution_clock::now();
auto tDiff = std::chrono::duration<double, std::milli>(tEnd - tStart).count();
double frameTime = (double)tDiff / 1000;
benchmark.iterationTime[benchmark.currIteration] += frameTime;
}
benchmark.currIteration++;
}
vkDeviceWaitIdle(device);
// Save results as comma separated file
std::ofstream result(benchmark.resultFile + ".csv", std::ios::out);
if (result.is_open()) {
double tMin = *std::min_element(benchmark.iterationTime.begin(), benchmark.iterationTime.end());
double tMax = *std::max_element(benchmark.iterationTime.begin(), benchmark.iterationTime.end());
double tAvg = std::accumulate(benchmark.iterationTime.begin(), benchmark.iterationTime.end(), 0.0) / benchmark.iterations;
result << std::fixed << std::setprecision(3);
result << title << std::endl;
result << deviceProperties.deviceName << std::endl;
result << ",iterations,time(ms),fps" << std::endl;;
for (size_t i = 0; i < benchmark.iterationTime.size(); i++) {
result << "," << i << "," << benchmark.iterationTime[i] << "," << (1000.0 / benchmark.iterationTime[i]) << std::endl;
}
result << ",summary" << std::endl;
result << ",,time(ms),fps" << std::endl;
result << ",min," << tMin << "," << (1000.0 / tMin) << std::endl;
result << ",max," << tMax << "," << (1000.0 / tMax) << std::endl;
result << ",avg," << tAvg << "," << (1000.0 / tAvg) << std::endl;
}
}
void VulkanExampleBase::renderLoop()
{
if (benchmark.active) {
benchmarkLoop();
benchmark.run([=] { render(); });
vkDeviceWaitIdle(device);
benchmark.saveResults(title, deviceProperties.deviceName);
return;
}
@ -701,7 +666,7 @@ VulkanExampleBase::VulkanExampleBase(bool enableValidation)
benchmark.active = true;
// Result file name can be overriden
if (args.size() > i + 1) {
benchmark.resultFile = args[i + 1];
benchmark.filename = args[i + 1];
}
// Number of iterations as optional parameter
if (args.size() > i + 2) {
@ -709,7 +674,6 @@ VulkanExampleBase::VulkanExampleBase(bool enableValidation)
uint32_t iterations = strtol(args[i + 2], &endptr, 10);
if (endptr != args[i + 2]) { benchmark.iterations = iterations; };
}
benchmark.init();
}
}