Internal Jenkins has submitted this change and it was merged. 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 Reviewed-on: http://gerrit.cloudera.org:8080/4813 Reviewed-by: Jim Apple <jbap...@cloudera.com> Tested-by: Internal Jenkins --- 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(-) Approvals: Jim Apple: Looks good to me, approved Internal Jenkins: Verified -- To view, visit http://gerrit.cloudera.org:8080/4813 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: merged Gerrit-Change-Id: I840799d9cfb81285c796e2abfe2029bb869b0f67 Gerrit-PatchSet: 5 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Jim Apple <jbap...@cloudera.com> Gerrit-Reviewer: Internal Jenkins Gerrit-Reviewer: Jim Apple <jbap...@cloudera.com> Gerrit-Reviewer: Tim Armstrong <tarmstr...@cloudera.com>
