Re: [WIP] speeding up GIN build with parallel workers - Mailing list pgsql-hackers

From Constantin S. Pan
Subject Re: [WIP] speeding up GIN build with parallel workers
Date
Msg-id 20160218004604.23144093@thought
Whole thread Raw
In response to Re: [WIP] speeding up GIN build with parallel workers  (Peter Geoghegan <pg@heroku.com>)
List pgsql-hackers
I was testing with number of workers starting at 0. The 0 case is (in
theory) equivalent to master branch. But I should certainly compare to
the master branch, you are right. Will do that shortly.

On Wed, 17 Feb 2016 12:26:05 -0800
Peter Geoghegan <pg@heroku.com> wrote:

> On Wed, Feb 17, 2016 at 7:55 AM, Constantin S. Pan <kvapen@gmail.com>
> wrote:
> > 4. Hit the 8x speedup limit. Made some analysis of the reasons (see
> > the attached plot or the data file).  
> 
> Did you actually compare this to the master branch? I wouldn't like to
> assume that the one worker case was equivalent. Obviously that's the
> really interesting baseline.
> 
> 



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