Re: LLVM jit and matview

From: Dmitry Dolgov <9erthalion6(at)gmail(dot)com>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL mailing lists <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: LLVM jit and matview
Date: 2018-07-25 12:59:20
Message-ID: CA+q6zcVFD9601Bfo43dPtLOtWHTYt7A5NqNcsRUMzZX64dBO3A@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs pgsql-hackers

> On Wed, 25 Jul 2018 at 07:49, Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> On Tue, Jul 24, 2018 at 07:49:56PM -0700, Andres Freund wrote:
> > FWIW, this doesn't crash for me, using a trunk checkout for LLVM. I'll
> > try older ones, as soon as they finish rebuilding. But perhaps you could
> > re-verify that this still is an issue on recent PG checkouts? And which
> > version of LLVM are you guys using?
>
> One of your recent fixes has visibly taken take of the issue (I am too
> lazy to check which one). I am using llvm 6.0 with Debian SID as far as
> I know, configure links to stuff in /usr/lib/llvm-6.0/.

Looks like I still can reproduce it on the current head 167075be3ab. I was using
LLVM 5.0 package, but will try reproduce on the LLVM master branch as soon
as compilation will be finished (apparently, I need to rebuild it with
LLVM_USE_PERF, otherwise Postgres complains about undefined symbol:
LLVMCreatePerfJITEventListener).

In response to

Responses

Browse pgsql-bugs by date

  From Date Subject
Next Message Ze Victor Harry 2018-07-25 14:06:02 pgAdmin 4 not opening
Previous Message Olga Lytvynova-Bogdanova 2018-07-25 10:57:48 TIMESTAMP(TZ) range

Browse pgsql-hackers by date

  From Date Subject
Next Message Jeremy Finzel 2018-07-25 13:17:46 Using test_ddl_deparse as an extension
Previous Message Alexander Korotkov 2018-07-25 12:29:46 Re: Locking B-tree leafs immediately in exclusive mode