Jim Apple has uploaded a new change for review. http://gerrit.cloudera.org:8080/4813
Change subject: IMPALA-4300: Speed up BloomFilter::Or with SIMD ...................................................................... IMPALA-4300: Speed up BloomFilter::Or with SIMD Manually vectorizing speeds up BloomFilter::Or by up to 184x. The existing loop should auto-vectorize with our GCC setting of -O3, but it does not for reasons that remain mysterious. 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, 177 insertions(+), 75 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/13/4813/1 -- To view, visit http://gerrit.cloudera.org:8080/4813 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I840799d9cfb81285c796e2abfe2029bb869b0f67 Gerrit-PatchSet: 1 Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-Owner: Jim Apple <jbap...@cloudera.com>
