[UR][CUDA] Fix unmap of buffer WRITE_INVALIDATE_REGION mappings #19028
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frasercrmck
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Jun 18, 2025
aarongreig
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Jun 18, 2025
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While the UR CUDA fail is known, I still think that testing should run on this PR since it's changing that. |
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Buffers mapped with
UR_MAP_FLAG_WRITE_INVALIDATE_REGIONneed to copy back to the buffer's device memory when unmapped. The HIP adapter was already doing this, seems like an accidental omission in the CUDA adapter.