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[OPENCL] Workaround for zero size allocation #9379

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Merged
masahi merged 1 commit into from
Oct 27, 2021
Merged

[OPENCL] Workaround for zero size allocation #9379

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4 changes: 4 additions & 0 deletions src/runtime/opencl/opencl_device_api.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,10 @@ void* OpenCLWorkspace::AllocDataSpace(Device dev, size_t size, size_t alignment,
ICHECK(context != nullptr) << "No OpenCL device";
cl_int err_code;
cl::BufferDescriptor* desc = new cl::BufferDescriptor;
// CL_INVALID_BUFFER_SIZE if size is 0.
if (size == 0) {
size = 1;
}
desc->buffer = clCreateBuffer(this->context, CL_MEM_READ_WRITE, size, nullptr, &err_code);
desc->layout = cl::BufferDescriptor::MemoryLayout::kBuffer1D;
OPENCL_CHECK_ERROR(err_code);
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