P4 to Git Change 1078871 by gandryey@gera-dev-w7 on 2014/09/19 14:45:35

ECR #304775 - Add extra CP write operation for the resource warm-up
	- Vidmm will page in the constant buffers before the actual usage

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpuresource.cpp#192 edit


[ROCm/clr commit: 2e23538a01]

projects/clr/rocclr/runtime/device/gpu/gpuresource.cpp

@@ -1915,8 +1915,12 @@ void
 Resource::warmUpRenames(VirtualGPU& gpu)
 {
     for (uint i = 0; i < dev().settings().maxRenames_; ++i) {
-        const bool force = true;
-        rename(gpu, force);
+        uint    dummy = 0;
+        const bool NoWait = false;
+        // Write 0 for the buffer paging by VidMM
+        writeRawData(gpu, sizeof(dummy), &dummy, NoWait);
+        const bool Force = true;
+        rename(gpu, Force);
     }
 }