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Optimise bucket placement. #11

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Merged
merged 1 commit into from
Aug 30, 2014
Merged

Optimise bucket placement. #11

merged 1 commit into from
Aug 30, 2014

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huonw
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@huonw huonw commented Aug 30, 2014

Use a "generation vector" instead of a hashmap for storing the elements
of the bucket currently being placed. This gives a 2x speed-up
e.g. creating a phf_set out of my 99171-line /usr/share/dict/words took
1 second previously and now takes 0.4-0.5.

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Use a "generation vector" instead of a hashmap for storing the elements
of the bucket currently being placed. This gives a 2x speed-up
e.g. creating a phf_set out of my 99171-line /usr/share/dict/words took
1 second previously and now takes 0.4-0.5.
sfackler added a commit that referenced this pull request Aug 30, 2014

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Optimise bucket placement.
@sfackler sfackler merged commit 3687c0e into rust-phf:master Aug 30, 2014
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Thanks!

@huonw huonw deleted the speed++ branch October 31, 2014 13:02
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2 participants