Re: Tuplesort merge pre-reading

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Cc: Peter Geoghegan <pg(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Tuplesort merge pre-reading
Date: 2016-09-12 15:47:28
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On Mon, Sep 12, 2016 at 12:02 PM, Claudio Freire <klaussfreire(at)gmail(dot)com> wrote:
> On Sun, Sep 11, 2016 at 12:47 PM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>> Here's a new version of these patches, rebased over current master. I
>> squashed the two patches into one, there's not much point to keep them
>> separate.
> I don't know what was up with the other ones, but this one works fine.
> Benchmarking now.

I spoke too soon, git AM had failed and I didn't notice.

regression.diffs attached

Built with

./configure --enable-debug --enable-cassert && make clean && make -j7
&& make check

Attachment Content-Type Size
regression.diffs application/octet-stream 672.0 KB
regression.out application/octet-stream 8.7 KB

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