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Posted to issues@kudu.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2016/12/04 11:16:58 UTC

[jira] [Created] (KUDU-1784) Use binary bitcode format for precompiled LLVM IR

Todd Lipcon created KUDU-1784:
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             Summary: Use binary bitcode format for precompiled LLVM IR
                 Key: KUDU-1784
                 URL: https://issues.apache.org/jira/browse/KUDU-1784
             Project: Kudu
          Issue Type: Improvement
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor


- instead of compiling with '-S', should compile with '-c'
- should use the extension '.bc' instead of '.ll' and update the variables accordingly
- change 'xxd' wrapper to use unsigned char instead of char

In a quick test, things still seem to work, and the resulting bitcode is about 25% the size (~300kb vs 1150KB). Seems like an easy win to shave a few MB off our packages and shaves ~20ms off of the IR parsing.



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