void Application::Run()
{
Stopwatch watch;
// 理想状况 60 帧每秒
const DWORD desiredDelta = 1000 / 30;
// 上一次每帧用时
DWORD lastDelta = desiredDelta;
while (true)
{
try
{
watch.Restart();
if (DoFrame()) break;
// 本帧用时
lastDelta = static_cast<DWORD>(watch.Stop() * 1000);
// Sleep 剩余时间
if (lastDelta < desiredDelta)
Sleep(desiredDelta - lastDelta);
}
catch (...)
{
bool handled = false;
OnUncaughtException(handled);
// 异常未处理
if (!handled)
throw;
}
}
}
int main ( ) {
using namespace Furrovine;
using namespace Furrovine::Audio;
using namespace Furrovine::Pipeline;
//using namespace Furrovine::Graphics;
const static uint32 samplerate = 48000;
const static uint32 bitspersample = 16;
const static uint32 channelcount = 2;
PCMAudioData data = WavAudioLoader( )( "16bit.wav" );
AudioDevice baseaudiodevice( bitspersample, channelcount, samplerate );
RealtimeAudioDevice audiodevice( baseaudiodevice, milliseconds( 10 ) );
audiodevice.AddDSP( PerChannelDelay( audiodevice.PCMDescription( ), { seconds( 0.513 ), seconds( 0.490 ) }, real( 0.25 ) ) );
AudioBuffer buffer( data.Buffer(), 0, 0, 0, 0, 1 );
audiodevice.SubmitBuffer( buffer );
Stopwatch stopwatch;
stopwatch.Start( );
while ( true ) {
double seconds = stopwatch.ElapsedSeconds( );
if ( seconds < 1 )
continue;
//audiodevice.SubmitBuffer( buffer );
stopwatch.Restart( );
}
}
void Test1()
{
DIVIDING_LINE_1('-');
constexpr int Count = 2001001;
#if HAS_BOOST
boost::recursive_mutex osMutex;
ostream_t os(std::cout, osMutex);
#else
ostream_t &os = std::cout;
#endif
Stopwatch sw;
sw.Start();
ProducerConsumerContext context(os, Count, Count / 10, ENABLE_LOGGING);
Producer p1(context, 0, Count / 2, 200);
Producer p2(context, Count / 2, Count - Count / 2, 200);
Consumer c1(context, Count / 3, 200);
Consumer c2(context, Count / 3, 200);
Consumer c3(context, Count - Count / 3 - Count / 3, 200);
std::vector<std::thread> threads;
threads.push_back(p1.Create());
threads.push_back(p2.Create());
threads.push_back(c1.Create());
threads.push_back(c2.Create());
threads.push_back(c3.Create());
for (auto &t : threads)
t.join();
sw.Stop();
std::cout << "Ellapsed time: " << sw.GetElapsedMilliseconds() << "ms" << std::endl;
std::cout << "Checking if test is passed...\n";
sw.Restart();
bool ok = context.IsTestPassed();
sw.Stop();
std::cout << "It takes " << sw.GetElapsedMilliseconds() << "ms to figure out if test is passed." << std::endl;
std::cout << "Is test passed? " << std::boolalpha << ok << std::endl;
}
void LruCacheTest::PerfTestHelper(
int operationCount,
size_t capacity,
bool enableTrim)
{
//SetVerifyOutput localVerifySettings(VerifyOutputSettings::LogOnlyFailures);
size_t bucketCount = 10240;
LruCache<wstring, TestCacheEntry> cache(enableTrim ? capacity : 0, bucketCount);
Random rand(static_cast<int>(DateTime::Now().Ticks));
vector<TestCacheEntrySPtr> entries;
for (auto ix=0; ix<operationCount; ++ix)
{
entries.push_back(make_shared<TestCacheEntry>(GetRandomKey(rand)));
}
Stopwatch stopwatch;
// Write
stopwatch.Restart();
for (auto it=entries.begin(); it!=entries.end(); ++it)
{
auto entry = *it;
bool success = cache.TryPutOrGet(entry);
VERIFY_IS_TRUE(success);
}
stopwatch.Stop();
Trace.WriteInfo(
TraceComponent,
"LruCache-put: operations={0} elapsed={1} throughput={2} ops/s",
cache.Size,
stopwatch.Elapsed,
(double)cache.Size / stopwatch.ElapsedMilliseconds * 1000);
// Read
stopwatch.Restart();
for (auto it=entries.begin(); it!=entries.end(); ++it)
{
shared_ptr<TestCacheEntry> result;
bool success = cache.TryGet((*it)->GetKey(), result);
VERIFY_IS_TRUE(success);
}
stopwatch.Stop();
Trace.WriteInfo(
TraceComponent,
"LruCache-get: operations={0} elapsed={1} throughput={2} ops/s",
cache.Size,
stopwatch.Elapsed,
(double)cache.Size / stopwatch.ElapsedMilliseconds * 1000);
Trace.WriteInfo(
TraceComponent,
"CacheSize: {0}",
cache.Size);
}
int main(int argc, char* argv[])
{
if (argc != 6) {
cout << "usage: ./a.out ";
cout << "<coupling.arg> ";
cout << "<evo.arg> ";
cout << "<lattice.arg> ";
cout << "<plaquette.arg> ";
cout << "<retherm.arg> ";
cout << endl;
exit(EXIT_FAILURE);
}
// Get/set parameters
CouplingArg coupling_arg( argv[1] );
double beta = coupling_arg.beta;;
EvoArg evo_arg( argv[2] );
int n_conf = evo_arg.n_conf;
int n_chkpt = evo_arg.n_chkpt;
string cfg_file_stem = evo_arg.file_stem;
LatticeArg lattice_arg( argv[3] );
int sites[4];
int sitesX[4];
for (int mu=0; mu<4; ++mu) {
sites[mu] = lattice_arg.sites[mu];
if (sites[mu]%2 ==0) {
sitesX[mu] = sites[mu]/2;
} else {
cout << "Numer of lattice sites must be even!" << endl;
exit(EXIT_FAILURE);
}
}
enum lat_state state = lattice_arg.state;;
PlaquetteArg plaquette_arg( argv[4] );
int n_plaq = plaquette_arg.n_plaq;
string plaq_file_stem = plaquette_arg.file_stem;
RethermArg retherm_arg( argv[5]);
int retherm_sweeps = retherm_arg.sweeps;
std::cout << "Initializing the lattice" << "..." << std::endl;
Lattice latticeX(sitesX);
Lattice lattice(sites);
std::cout << "Initializing the monster..." << endl;;
PlaquetteMonster monster(sites, n_plaq);
vector<double> **plaq;
vector<double> ***plaqs;
plaq = new vector<double> * [n_plaq];
plaqs = new vector<double> ** [n_plaq];
for (int i=0; i<n_plaq; ++i) {
plaq[i] = new vector<double> [n_plaq];
plaqs[i] = new vector<double> * [n_plaq];
for (int j=0; j<n_plaq; ++j) {
plaqs[i][j]= new vector<double> [retherm_sweeps];
}
}
std::stringstream ss;
ofstream file;
cout << setprecision(15);
Stopwatch timer;
int conf = 0;
do {
timer.Restart();
if ( conf%n_chkpt==0 ) {
std::cout << "\t";
ss.str(std::string());
ss << cfg_file_stem << "-" << conf << ".bin";
if (!latticeX.Read(ss.str()) ) {
std::cout << "Failed to find lattice : " << std::endl;
std::cout << ss.str() << std::endl;
exit(EXIT_FAILURE);
};
std::cout << "\t";
std::cout << "Computing observables..." << std::endl;
monster.Initialize(latticeX);
for (int m=0; m<n_plaq/2; ++m)
for (int n=0; n<n_plaq/2; ++n) {
plaq[m][n].push_back( 1.0-monster.MeanPlaquette(m+1,n+1) );
}
if (retherm_sweeps>0) {
std::cout << "\t";
std::cout << "Refining lattice..." << std::endl;
if ( !InterpolatedTwoCellBoundaryRefine(latticeX, lattice) ) {
std::cout << "Failed to refine lattice!" << std::endl;
exit(EXIT_FAILURE);
}
for(int cool_sweeps=0; cool_sweeps<50; ++cool_sweeps) {
lattice.CoolUpdate(Subsets::two_cell_bulk_checker_board);
}
std::cout << "\t";
std::cout << "Performing rethermalization sweeps and computing observables..." << std::endl;
for (int h=0; h<retherm_sweeps; ++h) {
monster.Initialize(lattice);
for (int m=0; m<n_plaq; ++m)
for (int n=0; n<n_plaq; ++n) {
plaqs[m][n][h].push_back( 1.0-monster.MeanPlaquette(m+1,n+1) );
}
lattice.HeatBathUpdate(beta);
}
}
}
std::cout << "Total time for config " << conf << " is : " << timer.ElapsedTime() << std::endl;
++conf;
} while (conf < n_conf);
//// Write observables to a file ////
for (int m=0; m<n_plaq; ++m)
for (int n=0; n<n_plaq; ++n) {
ss.str(std::string());
ss << plaq_file_stem << "-" << m+1 << "_" << n+1 << ".dat";
std::cout << "Writing observables to file : ";
std::cout << ss.str() << std::endl;
file.open(ss.str().c_str());
file << setprecision(15);
for(int j=0; j<plaq[m][n].size(); ++j) {
file << plaq[m][n][j] << std::endl;
}
file.close();
}
for (int m=0; m<n_plaq; ++m)
for (int n=0; n<n_plaq; ++n)
for (int h=0; h<retherm_sweeps; ++h) {
ss.str(std::string());
ss << plaq_file_stem << "-" << m+1 << "_" << n+1 << "-" << h << ".dat";
std::cout << "Writing observables to file : ";
std::cout << ss.str() << std::endl;
file.open(ss.str().c_str());
file << setprecision(15);
for(int j=0; j<plaqs[m][n][h].size(); ++j) {
file << plaqs[m][n][h][j] << std::endl;
}
file.close();
}
//// DONE! ////
for (int i=0; i<n_plaq; ++i) {
for (int j=0; j<n_plaq; ++j) { delete [] plaqs[i][j]; }
delete [] plaq[i];
delete [] plaqs[i];
}
delete [] plaq;
delete [] plaqs;
cout << "Congratulations on a job... done!" << endl;
exit(EXIT_SUCCESS);
}
void Engine::StartGame()
{
myGameIsRunning = true;
// Close the game when we hit the close button
myEventHost->RegisterEvent<CloseButtonPressedEvent>([=](CloseButtonPressedEvent &ev)
{
myGameIsRunning = false;
});
// Show the window
myRenderer->GetWindow()->SetVisible(true);
Stopwatch stopwatch;
std::vector<RenderCommand> *currentRenderCommands = new std::vector<RenderCommand>();
float time = 0.f;
while (myGameIsRunning == true)
{
float deltaTime = stopwatch.GetElapsedSeconds();
time += deltaTime;
stopwatch.Restart();
myRenderer->TriggerEvents();
std::swap(currentRenderCommands, myNewRenderCommands);
float progressToNextFixedUpdate = (myTimeAccumulator / myTimeStep);
myTimeAccumulator += deltaTime;
Matrix33f worldToViewport;
Transformation cameraTransformation = mySceneHost->GetCurrentScene()->GetCamera().GetTransformation();
auto gameLogicWork = myThreadPool->QueueWorkItem(std::function<void()>([=]
{
while (myTimeAccumulator >= myTimeStep)
{
myEventHost->TriggerEvent(UpdateEvent(myTimeStep));
myEventHost->TriggerEvent(EndUpdateEvent());
myTimeAccumulator -= myTimeStep;
}
myEventHost->TriggerEvent(DrawEvent());
}));
Vector2f windowSize = Vector2f(myRenderer->GetWindow()->GetSize());
worldToViewport *= Matrix33f::CreateScale(2.f / windowSize.x, -2.f / windowSize.y, 1.f) * Matrix33f::CreateTranslation(-cameraTransformation.Position.x, -cameraTransformation.Position.y) * Matrix33f::CreateRotateAroundZ(cameraTransformation.Rotation);
myRenderer->SetWorldToViewportMatrix(worldToViewport);
myRenderer->Clear();
RenderTarget &renderTarget = *myRenderer->GetRenderTarget();
for (size_t i = 0; i < currentRenderCommands->size(); i++)
{
RenderCommand currentCommand = (*currentRenderCommands)[i];
Vector2f position = currentCommand.previousPosition + (currentCommand.currentPosition - currentCommand.previousPosition) * progressToNextFixedUpdate;
renderTarget.Render(currentCommand.texture, position);
}
currentRenderCommands->clear();
myRenderer->PresentBackBuffer();
float beginSleep = stopwatch.GetElapsedSeconds();
std::this_thread::sleep_for(std::chrono::microseconds(1));
// Wait for the game logic update to finish
gameLogicWork->Wait();
if (mySceneHost->GetCurrentScene() == nullptr)
{
myGameIsRunning = false;
}
}
delete currentRenderCommands;
myEventHost->TriggerEvent(ExitingEvent());
}