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Ran 16 Nov 2015 08:54AM UTC

Files 55

Run time 6s

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Committed 16 Nov 2015 08:43AM UTC coverage: 66.447% (-1.0%) from 67.399%

Job # COMPILER=gcc-5 BUILD_TYPE=coverage

Build Type

push

travis-ci

Committed by

nemequ

Commit Message

splice: use huge pages if available

Currently, this just checks to see if MAP_HUGETLB is defined and, if
so, uses it (and assumes 2 MiB pages).  This likely only works on
Linux, though I'm sure OS X and BSD have similar mechanisms.

This seems to fix the performance regression I have been seeing with
mapped files (I think it's due to a change in the kernel at around 4.1
or 4.2, but verifying that would be difficult).  2 MiB pages make a lot
of sense for Squash, though, so I'm not going to worry about it.

https://github.com/quixdb/squash/issues/125
https://github.com/quixdb/squash-benchmark/issues/17

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1513 of 2277 relevant lines covered (66.45%)

8632.72 hits per line

quixdb / squash / 639 / 3
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