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  1. MariaDB Server
  2. MDEV-25774

profile build speed of the server code base

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    Description

      Changes to the most accessed headers require recompilation of 500 files avg, which takes about 3 mins on 6 cores. The time tends to grow YoY.
      Several of build time improvements may be approached:

      • Header decomposition to improve files affected per line value.
      • Use of precompiled headers
      • Template optimization

      This task is about the headers problem investigation.

      • Take a look how a time changes with precompiled headers enabled.
      • Work out the guidelines on enabling the precompiled headers generation for used system libraries.
      • And/or update build scripts to support precompiled headers generation.
      • If the build will still look too slow, analyze the template usages.

      This tool may be helpful for the header analysis:
      https://github.com/mikael-s-persson/templight

      See also:

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            nikitamalyavin Nikita Malyavin
            nikitamalyavin Nikita Malyavin
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