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Spend less time moving ts events in CoreTiming.

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Unknown W. Brackets 2013-02-10 21:21:50 -08:00
parent 9a5589a180
commit da5026ea17
1 changed files with 10 additions and 1 deletions
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11
Core/CoreTiming.cpp
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@ -21,6 +21,7 @@
#include "MsgHandler.h"
#include "StdMutex.h"
#include "Atomic.h"
#include "CoreTiming.h"
#include "Core.h"
#include "HLE/sceKernelThread.h"
@ -66,6 +67,8 @@ Event *tsLast;
Event *eventPool = 0;
Event *eventTsPool = 0;
int allocatedTsEvents = 0;
// Optimization to skip MoveEvents when possible.
volatile u32 hasTsEvents = false;
// Downcount has been moved to currentMIPS, to save a couple of clocks in every ARM JIT block
// as we can already reach that structure through a register.
@ -159,6 +162,7 @@ void Init()
slicelength = INITIAL_SLICE_LENGTH;
globalTimer = 0;
idledCycles = 0;
hasTsEvents = 0;
}
void Shutdown()
@ -209,6 +213,8 @@ void ScheduleEvent_Threadsafe(s64 cyclesIntoFuture, int event_type, u64 userdata
if(tsLast)
tsLast->next = ne;
tsLast = ne;
Common::AtomicStoreRelease(hasTsEvents, 1);
}
// Same as ScheduleEvent_Threadsafe(0, ...) EXCEPT if we are already on the CPU thread
@ -416,7 +422,8 @@ void RemoveAllEvents(int event_type)
//This raise only the events required while the fifo is processing data
void ProcessFifoWaitEvents()
{
MoveEvents();
if (Common::AtomicLoadAcquire(hasTsEvents))
MoveEvents();
if (!first)
return;
@ -441,6 +448,8 @@ void ProcessFifoWaitEvents()
void MoveEvents()
{
Common::AtomicStoreRelease(hasTsEvents, 0);
std::lock_guard<std::recursive_mutex> lk(externalEventSection);
// Move events from async queue into main queue
while (tsFirst)