P4 to Git Change 1460028 by wchau@wchau_OCL_boltzmann on 2017/09/18 14:03:40

SWDEV-111439 - Add query for preferred constant size
	- fixed a mistake of using 64KiB for the size, which should be 16KiB.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpudevice.cpp#576 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/pal/paldevice.cpp#62 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#63 edit

rocclr/runtime/device/rocm/rocdevice.cpp

@@ -933,7 +933,7 @@ bool Device::populateOCLDeviceConstants() {
   info_.minDataTypeAlignSize_ = sizeof(cl_long16);
 
   info_.maxConstantArgs_ = 8;
-  info_.preferredConstantBufferSize_ = 64 * Ki;
+  info_.preferredConstantBufferSize_ = 16 * Ki;
   info_.maxConstantBufferSize_ = info_.maxMemAllocSize_;
   info_.localMemType_ = CL_LOCAL;
   info_.errorCorrectionSupport_ = false;