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Row hash high levels underperform on incompressible data #3539

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yoniko opened this issue Mar 9, 2023 · 0 comments · Fixed by #3552
Closed

Row hash high levels underperform on incompressible data #3539

yoniko opened this issue Mar 9, 2023 · 0 comments · Fixed by #3552
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yoniko commented Mar 9, 2023 •
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Higher levels of Row Hash under perform on incompressible data due to memory access pattern.
Originally discussed in #3426 and reported by @rincebrain.
Easy to reproduce by compressing a random file.
@yoniko yoniko mentioned this issue Mar 9, 2023
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@yoniko yoniko changed the title Row hash high levels underperform on uncompressible data Row hash high levels underperform on incompressible data Mar 10, 2023
@terrelln terrelln mentioned this issue Mar 14, 2023
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[lazy] Skip over incompressible data terrelln/zstd
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