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Ran 15 Sep 2015 06:21AM UTC

Files 67

Run time 82min

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Committed 15 Sep 2015 05:52AM UTC coverage: 94.736% (-0.02%) from 94.758%

Job # TERM=dumb

Build Type

push

travis-ci

Committed by

ben-manes

Commit Message

Optimize 4-bit CountMinSketch

The significant change was to use Unsafe for frequency (4x faster) and
only reset if the increment was successful (33% faster). A small gain
was observed with manual loop unrolling for increment. All these changes
helped in one case, hurt in the other, so its fickle.

The final JMH benchmark numbers are,
 * frequency  533,822,666 ops/s
 * increment   98,869,969 ops/s

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4175 of 4407 relevant lines covered (94.74%)

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