Re: Optimising compactify_tuples()
Thomas Munro <thomas.munro@gmail.com>
From: Thomas Munro <thomas.munro@gmail.com>
To: David Rowley <dgrowleyml@gmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2020-09-11T05:48:03Z
Lists: pgsql-hackers
On Fri, Sep 11, 2020 at 3:53 AM David Rowley <dgrowleyml@gmail.com> wrote: > That gets my benchmark down to 60.8 seconds, so 2.2 seconds better than v4b. . o O ( I wonder if there are opportunities to squeeze some more out of this with __builtin_prefetch... ) > I've attached v6b and an updated chart showing the results of the 10 > runs I did of it. One failure seen like this while running check word (cfbot): #2 0x000000000091f93f in ExceptionalCondition (conditionName=conditionName@entry=0x987284 "nitems > 0", errorType=errorType@entry=0x97531d "FailedAssertion", fileName=fileName@entry=0xa9df0d "bufpage.c", lineNumber=lineNumber@entry=442) at assert.c:67
Commits
-
Optimize compactify_tuples function
- 19c60ad69a91 14.0 landed
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Report resource usage at the end of recovery
- 10a5b35a0061 14.0 landed
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Allow incremental sorts for windowing functions
- 62e221e1c01e 14.0 cited