P4 to Git Change 1128337 by rili@rili_opencl_stg on 2015/03/06 14:37:45

EPR #415638 - Improve APU performance
	                         - Force remote allocation of local and persistent memory to Remote from RemoteUSWC:
	                         - Use gpu copy for remote/pinned image/buffer.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpublit.cpp#114 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpuresource.cpp#211 edit


[ROCm/clr commit: 637492a7dd]

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

@@ -547,6 +547,7 @@ DmaBlitManager::copyBuffer(
 {
     if (setup_.disableCopyBuffer_ ||
         (gpuMem(srcMemory).isHostMemDirectAccess() && gpuMem(srcMemory).isCacheable() &&
+         !dev().settings().apuSystem_ &&
          gpuMem(dstMemory).isHostMemDirectAccess())) {
         return HostBlitManager::copyBuffer(
             srcMemory, dstMemory, srcOrigin, dstOrigin, size);

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

@@ -386,7 +386,12 @@ Resource::create(MemoryType memType, CreateParams* params, bool heap)
     if (dev().settings().remoteAlloc_ && !heap &&
         ((memoryType() == Local) ||
          (memoryType() == Persistent))) {
-        cal_.type_ = RemoteUSWC;
+        if (dev().settings().apuSystem_ && dev().settings().viPlus_) {
+            cal_.type_ = Remote;
+        }
+        else {
+            cal_.type_ = RemoteUSWC;
+        }
     }
 
     if (dev().settings().disablePersistent_ && (memoryType() == Persistent)) {