Hello Tim Armstrong,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/4813
to look at the new patch set (#4).
Change subject: IMPALA-4300: Speed up BloomFilter::Or with SIMD
......................................................................
IMPALA-4300: Speed up BloomFilter::Or with SIMD
The previous code was not written in a way that GCC could
auto-vectorize it. Manually vectorizing speeds up BloomFilter::Or by
up to 184x.
Change-Id: I840799d9cfb81285c796e2abfe2029bb869b0f67
---
M be/src/benchmarks/bloom-filter-benchmark.cc
M be/src/testutil/mem-util.h
M be/src/util/bloom-filter.cc
M be/src/util/cpu-info.cc
M be/src/util/cpu-info.h
5 files changed, 178 insertions(+), 75 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/13/4813/4
--
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I840799d9cfb81285c796e2abfe2029bb869b0f67
Gerrit-PatchSet: 4
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Jim Apple <[email protected]>
Gerrit-Reviewer: Jim Apple <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
