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[BUG]: reduce lacks vectorized loads for transform iterators #435

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gonzalobg opened this issue Sep 12, 2023 · 0 comments · Fixed by #1091
Closed
1 task done

[BUG]: reduce lacks vectorized loads for transform iterators #435

gonzalobg opened this issue Sep 12, 2023 · 0 comments · Fixed by #1091
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@gevtushenko
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bug Something isn't working right.

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@gonzalobg
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Is this a duplicate?

Type of Bug

Performance

Component

CUB

Describe the bug

Supporting vectorized loads for transform iterators is required to improve the performance of reduce by 10x for reductions under < 1 GB.

There is an internal implementation available.

How to Reproduce

.

Expected behavior

.

Reproduction link

No response

Operating System

.

nvidia-smi output

.

NVCC version

.
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@gevtushenko gevtushenko

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bug Something isn't working right.
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CCCL
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Introduce CUB transform reduce gevtushenko/cccl
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@gevtushenko @gonzalobg