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Fix bug in producer-consumer buffer exchange which occurs in UMAP test on GV100 #429

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merged 3 commits into from
Dec 20, 2021

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mdoijade
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-- fix incorrect output in prod-cons code detected by UMAP test on GV100, the reason seems to be not using volatile and syncthreads.
-- enable fused L2 knn usage as all the issues are now resolved with this PR.

…mall negative 0s by fusedL2knn. re-enable fused l2 knn
…, the reason seems to be not using volatile and syncthreads, there is some reg spills perhaps due to cuda 11.4 this needs to be tracked further
@mdoijade mdoijade requested review from a team as code owners December 20, 2021 14:41
@github-actions github-actions bot added the cpp label Dec 20, 2021
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@cjnolet all the builds seems to be failing with the error below, is this is known issue ?

20:12:53 Encountered problems while solving:

20:12:53   - nothing provides cuda-python >=11.5,<12.*.* needed by rapids-build-env-22.02.00a211215-cuda11.2_py38_gd503c20_88


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cuML PR for verification - rapidsai/cuml#4437

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cjnolet commented Dec 20, 2021

rerun tests

@cjnolet cjnolet added improvement Improvement / enhancement to an existing function non-breaking Non-breaking change labels Dec 20, 2021
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Looks like cuml is passing consistently. Thanks for fixing this, Mahesh!

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cjnolet commented Dec 20, 2021

@gpucibot merge

@rapids-bot rapids-bot bot merged commit ccd5d75 into rapidsai:branch-22.02 Dec 20, 2021
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