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Warpreduce executes reduction operator for out-of-bounds items #74
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Fixed in the above two commits for v1.6.3 |
dumerrill
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out-of-bounds items #74 Former-commit-id: 3a240839ce486b7a55c7cf31881c3d5fd3af0783
dumerrill
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out-of-bounds items) https://github.com/NVlabs/cub/issues/74 Former-commit-id: 30fdfc529dcbe276019d2e4ee962d908ed31b088
NEELMCW
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out-of-bounds items) https://github.com/NVlabs/cub/issues/74 Former-commit-id: 30fdfc529dcbe276019d2e4ee962d908ed31b088
sarvex
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out-of-bounds items NVIDIA#74 Former-commit-id: 3a240839ce486b7a55c7cf31881c3d5fd3af0783
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A 1.5.5 change in the signedness of lane_id is allowing lanes that are past "last lane" to execute their reduction operators. Although the partial sums produced by these lanes are not incoroporated into result returned to lane0, this presents a problem if the operation on uniniitalized data throws an error (memory exception, divide by zero, etc.)
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