P4 to Git Change 1088461 by bdhanase@bala_workpc_ocl on 2014/10/16 23:15:14

EPR #405824 - On apus, if we run out of local memory to allocate cl_mem objects, ocl runtime will use remote (system) memory.  Update maxMemAllocSize_ to include that.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpudevice.cpp#469 edit


[ROCm/clr commit: 1dfb720281]

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

@@ -529,7 +529,14 @@ void Device::fillDeviceInfo(
         info_.maxMemAllocSize_ = std::max(
             cl_ulong(calStatus.largestBlockVisibleHeap * Mi),
             cl_ulong(calStatus.largestBlockInvisibleHeap * Mi));
-
+        
+#if defined(ATI_OS_WIN)
+        if (settings().apuSystem_) {
+            info_.maxMemAllocSize_ = std::max(
+                ((static_cast<cl_ulong>(calAttr.uncachedRemoteRAM) * Mi) / 2),
+                info_.maxMemAllocSize_);
+        }
+#endif        
         info_.maxMemAllocSize_ = cl_ulong(info_.maxMemAllocSize_ *
             std::min(GPU_MAX_ALLOC_PERCENT, 100u) / 100u);