P4 to Git Change 1498909 by wchau@wchau_OCL_boltzmann on 2018/01/02 11:06:42

SWDEV-137270 - Add findLocalWorkSize to OpenCL runtime ROC device

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.cpp#48 edit


[ROCm/clr commit: 52c7e598b2]
이 커밋은 다음에 포함됨:
foreman
2018-01-02 11:19:58 -05:00
부모 199317cdec
커밋 75e3a7c791
+72 -17
파일 보기
@@ -1398,8 +1398,11 @@ static inline address addArg(address dst, const void* src, size_t size) {
// Over rides the workgroup size fields in the packet with runtime/compiler set sizes
void setRuntimeCompilerLocalSize(hsa_kernel_dispatch_packet_t& dispatchPacket,
amd::NDRangeContainer sizes, const size_t* compile_size,
amd::NDRangeContainer sizes, device::Kernel* devKernel,
const roc::Device& dev) {
const size_t* compile_size = devKernel->workGroupInfo()->compileSize_;
// Todo (sramalin) need to check if compile_size is set to 0 if dimension is not valid
// else this error check is incorrect
if (compile_size[0] || compile_size[1] || compile_size[2]) {
@@ -1407,20 +1410,74 @@ void setRuntimeCompilerLocalSize(hsa_kernel_dispatch_packet_t& dispatchPacket,
dispatchPacket.workgroup_size_y = sizes.dimensions() > 1 ? compile_size[1] : 1;
dispatchPacket.workgroup_size_z = sizes.dimensions() > 2 ? compile_size[2] : 1;
} else {
// Runtime must set the group size
dispatchPacket.workgroup_size_x = 1;
dispatchPacket.workgroup_size_y = 1;
dispatchPacket.workgroup_size_z = 1;
size_t thrPerGrp;
bool b1DOverrideSet = !flagIsDefault(GPU_MAX_WORKGROUP_SIZE);
bool b2DOverrideSet = !flagIsDefault(GPU_MAX_WORKGROUP_SIZE_2D_X) ||
!flagIsDefault(GPU_MAX_WORKGROUP_SIZE_2D_Y);
bool b3DOverrideSet = !flagIsDefault(GPU_MAX_WORKGROUP_SIZE_3D_X) ||
!flagIsDefault(GPU_MAX_WORKGROUP_SIZE_3D_Y) ||
!flagIsDefault(GPU_MAX_WORKGROUP_SIZE_3D_Z);
if (sizes.dimensions() == 1) {
dispatchPacket.workgroup_size_x = dev.settings().preferredWorkGroupSize_;
} else if (sizes.dimensions() == 2) {
dispatchPacket.workgroup_size_x = dev.settings().maxWorkGroupSize2DX_;
dispatchPacket.workgroup_size_y = dev.settings().maxWorkGroupSize2DY_;
} else if (sizes.dimensions() == 3) {
dispatchPacket.workgroup_size_x = dev.settings().maxWorkGroupSize3DX_;
dispatchPacket.workgroup_size_y = dev.settings().maxWorkGroupSize3DY_;
dispatchPacket.workgroup_size_z = dev.settings().maxWorkGroupSize3DZ_;
bool overrideSet = ((sizes.dimensions() == 1) && b1DOverrideSet) ||
((sizes.dimensions() == 2) && b2DOverrideSet) ||
((sizes.dimensions() == 3) && b3DOverrideSet);
if (!overrideSet) {
// Find threads per group
thrPerGrp = devKernel->workGroupInfo()->size_;
size_t tmp = thrPerGrp;
// Split the local workgroup into the most efficient way
for (uint d = 0; d < sizes.dimensions(); ++d) {
size_t div = tmp;
for (; (sizes.global()[d] % div) != 0; div--)
;
sizes.local()[d] = div;
tmp /= div;
}
// Check if partial dispatch is enabled and
if (dev.settings().partialDispatch_ &&
// we couldn't find optimal workload
(sizes.local().product() % devKernel->workGroupInfo()->wavefrontSize_) != 0) {
size_t maxSize = 0;
size_t maxDim = 0;
for (uint d = 0; d < sizes.dimensions(); ++d) {
if (maxSize < sizes.global()[d]) {
maxSize = sizes.global()[d];
maxDim = d;
}
}
// Check if a local workgroup has the most optimal size
if (thrPerGrp > maxSize) {
thrPerGrp = maxSize;
}
sizes.local()[maxDim] = thrPerGrp;
for (uint d = 0; d < sizes.dimensions(); ++d) {
if (d != maxDim) {
sizes.local()[d] = 1;
}
}
}
dispatchPacket.workgroup_size_x = sizes.dimensions() > 0 ? sizes.local()[0] : 1;
dispatchPacket.workgroup_size_y = sizes.dimensions() > 1 ? sizes.local()[1] : 1;
dispatchPacket.workgroup_size_z = sizes.dimensions() > 2 ? sizes.local()[2] : 1;
} else {
// Runtime must set the group size
dispatchPacket.workgroup_size_x = 1;
dispatchPacket.workgroup_size_y = 1;
dispatchPacket.workgroup_size_z = 1;
if (sizes.dimensions() == 1) {
dispatchPacket.workgroup_size_x = dev.settings().preferredWorkGroupSize_;
} else if (sizes.dimensions() == 2) {
dispatchPacket.workgroup_size_x = dev.settings().maxWorkGroupSize2DX_;
dispatchPacket.workgroup_size_y = dev.settings().maxWorkGroupSize2DY_;
} else if (sizes.dimensions() == 3) {
dispatchPacket.workgroup_size_x = dev.settings().maxWorkGroupSize3DX_;
dispatchPacket.workgroup_size_y = dev.settings().maxWorkGroupSize3DY_;
dispatchPacket.workgroup_size_z = dev.settings().maxWorkGroupSize3DZ_;
}
}
}
}
@@ -1716,7 +1773,6 @@ bool VirtualGPU::submitKernelInternal(const amd::NDRangeContainer& sizes, const
dispatchPacket.grid_size_y = sizes.dimensions() > 1 ? newGlobalSize[1] : 1;
dispatchPacket.grid_size_z = sizes.dimensions() > 2 ? newGlobalSize[2] : 1;
const size_t* compile_size = devKernel->workGroupInfo()->compileSize_;
if (sizes.local().product() != 0) {
dispatchPacket.workgroup_size_x = sizes.dimensions() > 0 ? sizes.local()[0] : 1;
dispatchPacket.workgroup_size_y = sizes.dimensions() > 1 ? sizes.local()[1] : 1;
@@ -1724,8 +1780,7 @@ bool VirtualGPU::submitKernelInternal(const amd::NDRangeContainer& sizes, const
} else {
amd::NDRangeContainer tmpSizes(sizes.dimensions(), &newOffset[0], &newGlobalSize[0],
&(const_cast<amd::NDRangeContainer&>(sizes).local()[0]));
setRuntimeCompilerLocalSize(dispatchPacket, tmpSizes, compile_size, dev());
setRuntimeCompilerLocalSize(dispatchPacket, tmpSizes, devKernel, dev());
}
dispatchPacket.kernarg_address = argBuffer;
dispatchPacket.group_segment_size = ldsUsage;