From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
---|---|
To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: effect of JIT tuple deform? |
Date: | 2018-06-27 15:19:11 |
Message-ID: | ec7d8331-1a8a-707a-2154-b3958e197fb6@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 06/26/2018 09:25 PM, Pavel Stehule wrote:
> Hi
>
> ...
>
> So I am able to see effect of jit_tuple_deforming, and very well, but
> only if optimization is active. When optimization is not active then
> jit_tuple_deforming does slowdown.
>
> So maybe a usage of jit_tuple_deforming can be conditioned by
> jit_optimization?
>
Can you share the test case and some detail about the hardware and
PostgreSQL configuration?
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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