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Rok Mihevc commented on ARROW-5458: ----------------------------------- This issue has been migrated to [issue #21910|https://github.com/apache/arrow/issues/21910] on GitHub. Please see the [migration documentation|https://github.com/apache/arrow/issues/14542] for further details. > [C++] ARMv8 parallel CRC32c computation optimization > ---------------------------------------------------- > > Key: ARROW-5458 > URL: https://issues.apache.org/jira/browse/ARROW-5458 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Reporter: Yuqi Gu > Assignee: Yuqi Gu > Priority: Minor > Labels: pull-request-available > Fix For: 0.15.0 > > Time Spent: 4.5h > Remaining Estimate: 0h > > ARMv8 defines VMULL/PMULL crypto instruction. > This patch optimizes crc32c calculate with the instruction when > available rather than original linear crc instructions. -- This message was sent by Atlassian Jira (v8.20.10#820010)