jiangjiguang opened a new pull request, #1011: URL: https://github.com/apache/parquet-mr/pull/1011
The PR includes 3 aspects： 1. Use java17 vector api to decode bit-packing , the performance gain is 4x ~ 8x according to the microbenchmark 2. Upgrade the project to java17 to support java vector api 3. Add ParquetReadRouter to compatible with different platform when computing engines(such as spark) read parquet. ### Jira - https://issues.apache.org/jira/projects/PARQUET/issues/PARQUET-2159?filter=allopenissues ### Tests - Add unit tests org.apache.parquet.column.values.bitpacking.TestByteBitPackingVectorLE ### Commits - [ ] My commits all reference Jira issues in their subject lines. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)": 1. Subject is separated from body by a blank line 1. Subject is limited to 50 characters (not including Jira issue reference) 1. Subject does not end with a period 1. Subject uses the imperative mood ("add", not "adding") 1. Body wraps at 72 characters 1. Body explains "what" and "why", not "how" ### Documentation - The PR adds maven profile vector to enable generate java17 vector bit-packing decode opt. code, and run junit tests: mvn clean install -P vector - The PR needs Intel Ice Lake CPU to run junit tests - The contributors are jiangjiguang jiyu1021 guangzegu Fang-Xie , and co-contributor is jatin-bhateja -- 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: dev-unsubscr...@parquet.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
