Re: Lazy JIT IR code generation to increase JIT speed with partitions

From: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
To: David Geier <geidav(dot)pg(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Luc Vlaming <luc(at)swarm64(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Lazy JIT IR code generation to increase JIT speed with partitions
Date: 2023-01-27 15:18:41
Message-ID: 20230127151841.2vbcemntn2ng57kw@ddolgov.remote.csb
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> On Fri, Jan 27, 2023 at 10:02:32AM +0100, David Geier wrote:
> It's very curious as to why we didn't really see that when dumping the
> bitcode. It seems like the bitcode is always different enough to not spot
> that.

As I've noted off-list, there was noticeable difference in the dumped
bitcode, which I haven't noticed since we were talking mostly about
differences between executions of the same query.

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