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  1. MariaDB Server
  2. MDEV-6906

Relaxed memory order for counters

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    Description

      Let atomic counters use relaxed memory order. This should give little performance impact for platforms with relaxed memory model (e.g. PPC64).

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          relates to

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. MDEV-6478 MariaDB on Power8

          • Major - Major loss of function.
          • Closed

          Task - A task that needs to be done. MDEV-6693 Atomic operations with explicit memory barrier

          • Major - Major loss of function.
          • Closed

          Activity

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            svoj Sergey Vojtovich created issue -
            svoj Sergey Vojtovich made changes -
            Field Original Value New Value
            svoj Sergey Vojtovich made changes -
            svoj Sergey Vojtovich added a comment -

            serg, please review patch for this task.

            svoj Sergey Vojtovich added a comment - serg , please review patch for this task.
            svoj Sergey Vojtovich made changes -
            Assignee Sergey Vojtovich [ svoj ] Sergei Golubchik [ serg ]
            Status Open [ 1 ] In Review [ 10002 ]
            serg Sergei Golubchik made changes -
            Affects Version/s 10.1.1 [ 16801 ]
            Issue Type Bug [ 1 ] Task [ 3 ]
            serg Sergei Golubchik made changes -
            Assignee Sergei Golubchik [ serg ] Sergey Vojtovich [ svoj ]
            Status In Review [ 10002 ] Stalled [ 10000 ]
            svoj Sergey Vojtovich added a comment -

            Pushed to 10.1.2:

            commit faf169d245d05a835ec8ebcf1defb556c85f2766
            		 
            Author: Sergey Vojtovich <svoj@mariadb.org>
            		 
            Date:   Tue Dec 2 14:02:48 2014 +0400
            		 
             
            		 
                MDEV-6906 - Relaxed memory order for counters
            		 
             
            		 
                Let some atomic counters use relaxed memory order.

            svoj Sergey Vojtovich added a comment - Pushed to 10.1.2: commit faf169d245d05a835ec8ebcf1defb556c85f2766 Author: Sergey Vojtovich <svoj@mariadb.org> Date: Tue Dec 2 14:02:48 2014 +0400   MDEV-6906 - Relaxed memory order for counters   Let some atomic counters use relaxed memory order.
            svoj Sergey Vojtovich made changes -
            Resolution Fixed [ 1 ]
            Status Stalled [ 10000 ] Closed [ 6 ]
            ratzpo Rasmus Johansson (Inactive) made changes -
            Workflow MariaDB v2 [ 55911 ] MariaDB v3 [ 64553 ]
            serg Sergei Golubchik made changes -
            Workflow MariaDB v3 [ 64553 ] MariaDB v4 [ 132434 ]

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              svoj Sergey Vojtovich
              svoj Sergey Vojtovich
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                Updated:
                Resolved:

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