foreman d77a64f47a P4 to Git Change 1234990 by bcrane@MSDNBCRANE99-OCL on 2016/02/05 15:44:10
SWDEV-86885 - [CQE OCL][2.0][QR][CFX] Few SDK 64 and 32 bit Samples resulting in Soft/hard hangs with faulty cl: 1233743

	Unsubmit CL1233743 because of problems with CFX.

	I have not been able to figure out how Cl1233743 would cause a problem.  It sets a flag, to disable new code... I would expect the new code to be the problem, not the disable.

	So, in case this unsubmit does not elminate the problem, CL1233686 is shelved, to use #ifndef CAL_SUPPORT around the new code in CL1226184.

	CL1233743 was submitted for:
	SWDEV-86253 - [QR] 6 to 7% performance drop is observed in BasemarkCL test

	CL1226184 adds serialization to LHIO, because pxproxy accesses global state, without locks, leading to crash, etc.

	To fix OpenCL perf regressions, allow unserialized access to pxproxy.  It may be that OpenCL design leads away from racy behavior, so it may be safe.  This was checked in to gather information.  What software gets perf drops?  Does any software get fixed?

	The dangerous functions are CreateDevice, CreateContext, because the handles from the OS are saved in global caches, and if those global caches are modified in one thread, while other threads are looking-up from the caches - that is a problem.

	CL1226184 was submitted for:
	SWDEV-80442 - [QR][Adobe Premier Pro CS6] TDR/App Crash observed while resizing the video window within workspace

	TC: http://ocltc:8111/viewModification.html?modId=66278&personal=true

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gslbe/src/rt/GSLDevice.cpp#159 edit


[ROCm/clr commit: 27c1ec4857]
2016-02-05 15:55:28 -05:00
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