NVIDIA / NVIDIA/cuvs

[FEA] Improve Perf of pack/unpack codepacker utilities for IVF-PQ

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#1,360 0 comments 0 reactions 1 assignee View on GitHub

@tarang-jain is already working on this.

Since Sep 23, 2025.

feature request
Dominant language
Cuda
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Forks
236
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3d 3h
Merged PRs (30d)
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Description

Some code sizes (4 bits and 8 bits) pack without gaps into our IVF-PQ interleaved format. Packing and unpacking for them can be reduced to simple chunk copies (coalesced 128 bit reads), rather than reading (extracting) and writing each code one at a time.

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