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Add initial HIP_SYNC_NULL_STREAM=0 mode.

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This eliminates host-synchronization for null stream.  Instead, the
null-stream uses GPU-side events to wait for other streams.
Default is OFF pending additional testing.

Add enhanced null-stream test.

Also refine HIP_TRACE_API.


[ROCm/hip commit: 27877f8854]
This commit is contained in:
Ben Sander
2017-05-12 17:04:23 -05:00
parent cfe81dfbf4
commit a55ce5bee4
11 changed files with 320 additions and 96 deletions
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projects/hip/src/hip_device.cpp
+1 -1
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@@ -298,7 +298,7 @@ hipError_t ihipGetDeviceProperties(hipDeviceProp_t* props, int device)
hipError_t hipGetDeviceProperties(hipDeviceProp_t* props, int device)
{
HIP_INIT_API(props, device);
return ihipGetDeviceProperties(props, device);
return ihipLogStatus(ihipGetDeviceProperties(props, device));
}
hipError_t hipSetDeviceFlags( unsigned int flags)