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  1. MariaDB Server
  2. MDEV-8111

remove "fast mutexes"

        Details

        • Type: Task
        • Status: Open
        • Priority: Major
        • Resolution: Unresolved
        • Fix Version/s: None
        • Component/s: None
        • Labels:
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          Description

          They aren't faster than normal mutexes. They're disabled by default for years, so de facto it's dead code, never used.

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                Issue Links

                links to

                Web Link Bug #37703 MySQL performance with and without Fast Mutexes using Sysbench Workload

                Web Link Bug #72805 mutex_delay() creating excess memory traffic, GCC mem barrier needed

                Web Link Bug #72806 mutex_delay() missing x86 pause instruction optimization

                Web Link Bug #72807 Set thread priority in my_pthread_fastmutex_lock

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                    • Assignee:
                      Unassigned
                      Reporter:
                      serg Sergei Golubchik
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                      Dates

                      • Created:
                        Updated: