Re: WIP: expression evaluation improvements - Mailing list pgsql-hackers

From Andres Freund
Subject Re: WIP: expression evaluation improvements
Date
Msg-id 20200207063513.luuemmsom4fqtxkg@alap3.anarazel.de
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In response to Re: WIP: expression evaluation improvements  (Soumyadeep Chakraborty <sochakraborty@pivotal.io>)
Responses Re: WIP: expression evaluation improvements
Re: WIP: expression evaluation improvements
List pgsql-hackers
Hi,

On 2019-10-28 23:58:11 -0700, Soumyadeep Chakraborty wrote:
> > Sorry for not replying to that earlier.  I'm not quite sure it's
> > actually worthwhile doing so - did you try to measure any memory / cpu
> > savings?
> 
> No problem, thanks for the reply! Unfortunately, I did not do anything
> significant in terms of mem/cpu measurements. However, I have noticed
> non-trivial differences between optimized and unoptimized .bc files
> that were dumped from time to time.

Could you expand on what you mean here? Are you saying that you got
significantly better optimization results by doing function optimization
early on?  That'd be surprising imo?

Greetings,

Andres Freund



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