Re: JIT compiling with LLVM v11 - Mailing list pgsql-hackers

From Andres Freund
Subject Re: JIT compiling with LLVM v11
Date
Msg-id 20180313184036.pqh7ph2zid73zfeo@alap3.anarazel.de
Whole thread Raw
In response to Re: JIT compiling with LLVM v11  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: JIT compiling with LLVM v11  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hi,

On 2018-03-13 14:36:44 -0400, Robert Haas wrote:
> On Mon, Mar 12, 2018 at 5:04 PM, Andres Freund <andres@anarazel.de> wrote:
> > Currently a handful of explain outputs in the regression tests change
> > output when compiled with JITing. Therefore I'm thinking of adding
> > JITINFO or such option, which can be set to false for those tests?
> 
> Can we spell that JIT or at least JIT_INFO?

The latter works, I don't have a strong opinion on that. For now I've
just tied it to COSTS off.


> I realize that EXPLAIN (JIT OFF) may sound like it's intended to
> disable JIT itself

Yea, that's what I'm concerned about.


> , but I think it's pretty clear that EXPLAIN (BUFFERS OFF) does not
> disable the use of actual buffers, only the display of buffer-related
> information.

Hm.

Greetings,

Andres Freund


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