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histogram: skip empty buckets while downsampling #80

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merged 1 commit into from
Oct 18, 2023

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mihirn
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@mihirn mihirn commented Oct 18, 2023

Skipping empty buckets significantly speeds up downsampling for sparse
histograms. For a histogram with a config of (7, 64) and 100 samples,
this results in around a 5x speedup.

@mihirn mihirn requested a review from brayniac October 18, 2023 01:28
Skipping empty buckets significantly speeds up downsampling for sparse
histograms. For a histogram with a config of (7, 64) and 100 samples,
this results in around a 5x speedup.
@mihirn mihirn merged commit 4bfe1b4 into pelikan-io:main Oct 18, 2023
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@mihirn mihirn deleted the msn/bucket-check branch October 18, 2023 18:05
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2 participants