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P4 to Git Change 1060466 by skudchad@skudchad_test_win_opencl2 on 2014/07/29 13:45:27

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ECR #304775 - Use accelerated copy path for read/writeRect if the host memory has offsets. This avoids re-pinning the memory giving nearly a 100% perf boost for such copies.

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/5371/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpuvirtual.cpp#328 edit
This commit is contained in:
foreman
2014-07-29 13:52:27 -04:00
parent d42ad806ad
commit 0758f1e95b
1 changed files with 15 additions and 7 deletions
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rocclr/runtime/device/gpu/gpuvirtual.cpp
+15 -7
View File
@@ -721,11 +721,14 @@ VirtualGPU::submitReadMemory(amd::ReadMemoryCommand& vcmd)
}
}
break;
case CL_COMMAND_READ_BUFFER_RECT:
// Runtime can't use accelerated copy if offset isn't 0 for the rect copy
if ((hostMemory != NULL) && (offset == 0)) {
case CL_COMMAND_READ_BUFFER_RECT: {
amd::BufferRect hostbufferRect;
amd::Coord3D region(0);
amd::Coord3D hostOrigin(vcmd.hostRect().start_+ offset);
hostbufferRect.create(hostOrigin.c, vcmd.size().c , vcmd.hostRect().rowPitch_, vcmd.hostRect().slicePitch_);
if (hostMemory != NULL) {
result = blitMgr().copyBufferRect(*memory, *hostMemory,
vcmd.bufRect(), vcmd.hostRect(), vcmd.size(),
vcmd.bufRect(), hostbufferRect, vcmd.size(),
vcmd.isEntireMemory());
}
else {
@@ -733,6 +736,7 @@ VirtualGPU::submitReadMemory(amd::ReadMemoryCommand& vcmd)
vcmd.destination(), vcmd.bufRect(), vcmd.hostRect(), vcmd.size(),
vcmd.isEntireMemory());
}
}
break;
case CL_COMMAND_READ_IMAGE:
if (hostMemory != NULL) {
@@ -826,11 +830,14 @@ VirtualGPU::submitWriteMemory(amd::WriteMemoryCommand& vcmd)
}
}
break;
case CL_COMMAND_WRITE_BUFFER_RECT:
// Runtime can't use accelerated copy if offset isn't 0 for the rect copy
case CL_COMMAND_WRITE_BUFFER_RECT: {
amd::BufferRect hostbufferRect;
amd::Coord3D region(0);
amd::Coord3D hostOrigin(vcmd.hostRect().start_+ offset);
hostbufferRect.create(hostOrigin.c, vcmd.size().c , vcmd.hostRect().rowPitch_, vcmd.hostRect().slicePitch_);
if ((hostMemory != NULL) && (offset == 0)) {
result = blitMgr().copyBufferRect(*hostMemory, *memory,
vcmd.hostRect(), vcmd.bufRect(), vcmd.size(),
hostbufferRect, vcmd.bufRect(), vcmd.size(),
vcmd.isEntireMemory());
}
else {
@@ -838,6 +845,7 @@ VirtualGPU::submitWriteMemory(amd::WriteMemoryCommand& vcmd)
vcmd.hostRect(), vcmd.bufRect(), vcmd.size(),
vcmd.isEntireMemory());
}
}
break;
case CL_COMMAND_WRITE_IMAGE:
if (hostMemory != NULL) {