Re: Memory Accounting v11 - Mailing list pgsql-hackers

From Andres Freund
Subject Re: Memory Accounting v11
Date
Msg-id 20150707094354.GE30359@alap3.anarazel.de
Whole thread Raw
In response to Re: Memory Accounting v11  (David Rowley <david.rowley@2ndquadrant.com>)
List pgsql-hackers
On 2015-07-07 16:49:58 +1200, David Rowley wrote:
> I've been looking at this patch and trying to reproduce the reported
> slowdown by using Tomas' function to try to exercise palloc() with minimal
> overhead of other code:
> 
> https://github.com/tvondra/palloc_bench

That's not necessarily meaningful. Increased cache footprint (both data
and branch prediction) is often only noticeable with additional code
running pushing stuff out.




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