Faster spin in worker thread when doing I/O and a priority bump needed when fixing priorities.

indra/llcorehttp/_httpservice.cpp

@@ -38,6 +38,10 @@
 #include "lltimer.h"
 
 
+// Tuning parameters
+static const int LOOP_SLEEP_NORMAL_MS = 10;		// Normal per-loop sleep in milliseconds
+
+
 namespace LLCore
 {
 
@@ -198,7 +202,7 @@ void HttpService::threadRun(LLCoreInt::HttpThread * thread)
 		// Determine whether to spin, sleep briefly or sleep for next request
 		if (REQUEST_SLEEP != loop)
 		{
-			ms_sleep(50);
+			ms_sleep(LOOP_SLEEP_NORMAL_MS);
 		}
 	}
 

indra/newview/lltexturefetch.cpp

@@ -736,7 +736,7 @@ void LLTextureFetchWorker::setDesiredDiscard(S32 discard, S32 size)
 	if ((prioritize && mState == INIT) || mState == DONE)
 	{
 		mState = INIT;
-		U32 work_priority = mWorkPriority | LLWorkerThread::PRIORITY_LOW;
+		U32 work_priority = mWorkPriority | LLWorkerThread::PRIORITY_HIGH;
 		setPriority(work_priority);
 	}
 }