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Posted to issues@impala.apache.org by "Joe McDonnell (Jira)" <ji...@apache.org> on 2024/09/03 22:14:00 UTC

[jira] [Created] (IMPALA-13351) Add support for building the toolchain with Clang

Joe McDonnell created IMPALA-13351:
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             Summary: Add support for building the toolchain with Clang
                 Key: IMPALA-13351
                 URL: https://issues.apache.org/jira/browse/IMPALA-13351
             Project: IMPALA
          Issue Type: Epic
          Components: Infrastructure
    Affects Versions: Impala 4.5.0
            Reporter: Joe McDonnell


The toolchain currently builds with GCC 10.4.0. Being able to build with Clang could be useful:
 # More extensive TSAN: TSAN is more effective when dependencies have been built with TSAN enable. This can help for cases like Boost.
 # Comparing Clang performance to GCC: Clang has seen significant development from Google and others, and it would be nice to know if Clang is faster than GCC for Impala. Recent versions of Snappy (>=1.1.9) are known to run faster on Clang than GCC by substantial margins.
 # MacOS uses a compiler based on Clang

 



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