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task scheduler: add multiple job queues to improve performance when there are many threads

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This commit is contained in:
Lunkhound
2018-03-16 16:38:11 -07:00
parent 04e0d57dc1
commit bdc3c2bafb
4 changed files with 386 additions and 205 deletions
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9
src/LinearMath/TaskScheduler/btThreadSupportInterface.h
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@@ -37,34 +37,29 @@ public:
virtual int getNumWorkerThreads() const = 0; // number of worker threads (total number of logical processors - 1)
virtual int getCacheFriendlyNumThreads() const = 0; // the number of logical processors sharing a single L3 cache
virtual int getLogicalToPhysicalCoreRatio() const = 0; // the number of logical processors per physical processor (usually 1 or 2)
virtual void runTask( int threadIndex, void* userData ) = 0;
virtual void waitForAllTasks() = 0;
virtual btCriticalSection* createCriticalSection() = 0;
virtual void deleteCriticalSection( btCriticalSection* criticalSection ) = 0;
virtual void* getThreadLocalMemory( int taskId ) { return NULL; }
typedef void( *ThreadFunc )( void* userPtr, void* lsMemory );
typedef void* ( *MemorySetupFunc )( );
typedef void( *ThreadFunc )( void* userPtr );
struct ConstructionInfo
{
ConstructionInfo( const char* uniqueName,
ThreadFunc userThreadFunc,
MemorySetupFunc lsMemoryFunc,
int threadStackSize = 65535
)
:m_uniqueName( uniqueName ),
m_userThreadFunc( userThreadFunc ),
m_lsMemoryFunc( lsMemoryFunc ),
m_threadStackSize( threadStackSize )
{
}
const char* m_uniqueName;
ThreadFunc m_userThreadFunc;
MemorySetupFunc m_lsMemoryFunc;
int m_threadStackSize;
};