Youwei Wang has posted comments on this change. Change subject: IMPALA-2809: Improve ByteSwap with builtin function or SSSE3 or AVX2. ......................................................................
Patch Set 32: (1 comment) http://gerrit.cloudera.org:8080/#/c/3081/32/be/src/benchmarks/bswap-benchmark.cc File be/src/benchmarks/bswap-benchmark.cc: Line 46: /// OldImpala 1.224e+06 1X > Done Hi Jim. I have rerun this benchmark using the latest benchmarking output system. The result is copied as following: I0722 22:22:56.790194 28889 bswap-benchmark.cc:117] Machine Info: Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz ByteSwap benchmark: Function iters/ms 10%ile 50%ile 90%ile 10%ile 50%ile 90%ile (relative) (relative) (relative) --------------------------------------------------------------------------------------------------------- FastScalar 600 639 680 1X 1X 1X SSSE3 5.75e+03 5.85e+03 5.88e+03 9.58X 9.15X 8.64X AVX2 1.38e+04 1.76e+04 1.77e+04 23X 27.6X 26.1X SIMD 1.75e+04 1.77e+04 1.78e+04 29.2X 27.8X 26.2X For this new result is a little wide here, (more than 90 characters), I have done some little modification to make sure the result confirms to the format requirement of Impala code. -- To view, visit http://gerrit.cloudera.org:8080/3081 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-MessageType: comment Gerrit-Change-Id: I392ed5a8d5683f30f161282c228c1aedd7b648c1 Gerrit-PatchSet: 32 Gerrit-Project: Impala Gerrit-Branch: cdh5-trunk Gerrit-Owner: Youwei Wang <[email protected]> Gerrit-Reviewer: Alex Behm <[email protected]> Gerrit-Reviewer: Jim Apple <[email protected]> Gerrit-Reviewer: Marcel Kornacker <[email protected]> Gerrit-Reviewer: Mostafa Mokhtar <[email protected]> Gerrit-Reviewer: Tim Armstrong <[email protected]> Gerrit-Reviewer: Youwei Wang <[email protected]> Gerrit-HasComments: Yes
