Mryange opened a new pull request, #43510: URL: https://github.com/apache/doris/pull/43510
… (#38759) https://github.com/apache/doris/pull/38759 The main issue is that _mm_movemask_epi8 does not have a one-to-one corresponding instruction on ARM. Testing shows that it performs worse compared to using memcmp, which allows the compiler to generate the corresponding ARM instructions. The following tests were conducted on ARM. ``` -------------------------------------------------------------- Benchmark Time CPU Iterations -------------------------------------------------------------- BM_memequal16_sse 3.77 ns 3.77 ns 743238946 BM_memequal16_orgin 2.11 ns 2.11 ns 1000000000 ``` ### What problem does this PR solve? Issue Number: close #xxx Related PR: #xxx Problem Summary: ### Release note None ### Check List (For Author) - Test <!-- At least one of them must be included. --> - [ ] Regression test - [ ] Unit Test - [ ] Manual test (add detailed scripts or steps below) - [ ] No need to test or manual test. Explain why: - [ ] This is a refactor/code format and no logic has been changed. - [ ] Previous test can cover this change. - [ ] No code files have been changed. - [ ] Other reason <!-- Add your reason? --> - Behavior changed: - [ ] No. - [ ] Yes. <!-- Explain the behavior change --> - Does this need documentation? - [ ] No. - [ ] Yes. <!-- Add document PR link here. eg: https://github.com/apache/doris-website/pull/1214 --> ### Check List (For Reviewer who merge this PR) - [ ] Confirm the release note - [ ] Confirm test cases - [ ] Confirm document - [ ] Add branch pick label <!-- Add branch pick label that this PR should merge into --> -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
