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micro-sleep every 8 milliseconds in physics server, to not starve other threads.

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This commit is contained in:
Erwin Coumans
2017-01-08 13:06:08 -08:00
parent 5e6cfd70b5
commit 0f51fb618d
1 changed files with 10 additions and 1 deletions
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11
examples/SharedMemory/PhysicsServerExample.cpp
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@@ -274,6 +274,7 @@ struct MotionThreadLocalStorage
float clampedDeltaTime = 0.2; float clampedDeltaTime = 0.2;
float sleepTimeThreshold = 8./1000.;
void MotionThreadFunc(void* userPtr,void* lsMemory) void MotionThreadFunc(void* userPtr,void* lsMemory)
@@ -295,17 +296,25 @@ void MotionThreadFunc(void* userPtr,void* lsMemory)
double deltaTimeInSeconds = 0; double deltaTimeInSeconds = 0;
double sleepCounter = 0;
do do
{ {
BT_PROFILE("loop"); BT_PROFILE("loop");
{ {
BT_PROFILE("Sleep(0)"); BT_PROFILE("usleep(0)");
b3Clock::usleep(0); b3Clock::usleep(0);
} }
double dt = double(clock.getTimeMicroseconds())/1000000.; double dt = double(clock.getTimeMicroseconds())/1000000.;
sleepCounter+=dt;
if (sleepCounter > sleepTimeThreshold)
{
BT_PROFILE("usleep(100)");
sleepCounter = 0;
b3Clock::usleep(100);
}
deltaTimeInSeconds+= dt; deltaTimeInSeconds+= dt;
clock.reset(); clock.reset();