From: Igor Munkin <imun@tarantool.org>
To: Kirill Yukhin <kyukhin@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org,
Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH v2 0/2] Prevent JIT engine breakage on fibers switch-over
Date: Fri, 2 Oct 2020 15:44:33 +0300 [thread overview]
Message-ID: <20201002124433.GH18920@tarantool.org> (raw)
In-Reply-To: <20201002124355.2pbrgjqusdy47dga@tarantool.org>
Kirill,
On 02.10.20, Kirill Yukhin wrote:
> Hello,
>
> On 23 сен 22:06, Igor Munkin wrote:
> > There was a long discussion about the patch correctness and its
> > performance impact in v1 thread[1]. The benchmarks provided in v1 showed
> > this implementation as the least nerfing the platform overall
> > performance even for such synthetic test[2]. One can find the relevant
> > benchmarks results in the corresponding patches.
> >
> > Changes in v2:
> > * implement the callback in a different way to negate its perf impact
> >
> > @ChangeLog:
> > * Fixed fibers switch-over to prevent JIT machinery misbehaviour. Trace
> > recording is aborted when fiber yields the execution. The yield
> > occuring while mcode is being run leads to the platform panic
> > (gh-1700, gh-4491).
> >
> > Branch: https://github.com/tarantool/tarantool/tree/imun/gh-1700-abort-recording-on-fiber-switch
> > Issues:
> > * https://github.com/tarantool/tarantool/issues/1700
> > * https://github.com/tarantool/tarantool/issues/4491
> >
> > [1]: https://lists.tarantool.org/pipermail/tarantool-patches/2020-March/015290.html
> > [2]: https://gist.github.com/igormunkin/7e0cf48005bd003ffbdf30181eedb40e
>
> I've checked your patch set into 1.10, 2.4, 2.5 and master.
Thanks, I've updated the corresponding release notes.
>
> --
> Regards, Kirill Yukhin
--
Best regards,
IM
prev parent reply other threads:[~2020-10-02 12:55 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-23 19:06 Igor Munkin
2020-09-23 19:06 ` [Tarantool-patches] [PATCH v2 1/2] fiber: introduce a callback for " Igor Munkin
2020-09-24 12:54 ` sergos
2020-09-28 13:06 ` Igor Munkin
2020-09-29 9:15 ` Sergey Ostanevich
2020-09-29 10:05 ` Igor Munkin
2020-09-29 22:41 ` Vladislav Shpilevoy
2020-09-30 9:30 ` Igor Munkin
2020-09-30 22:00 ` Vladislav Shpilevoy
2020-09-23 19:06 ` [Tarantool-patches] [PATCH v2 2/2] lua: abort trace recording on fiber yield Igor Munkin
2020-09-24 13:00 ` sergos
2020-09-28 13:07 ` Igor Munkin
2020-09-28 15:36 ` Igor Munkin
2020-09-28 16:37 ` Igor Munkin
2020-09-28 17:45 ` Igor Munkin
2020-09-29 9:24 ` Sergey Ostanevich
2020-09-29 10:06 ` Igor Munkin
2020-09-29 22:41 ` Vladislav Shpilevoy
2020-09-30 6:27 ` Igor Munkin
2020-09-30 21:59 ` Vladislav Shpilevoy
2020-10-01 6:14 ` Igor Munkin
2020-09-24 13:15 ` [Tarantool-patches] [PATCH v2 0/2] Prevent JIT engine breakage on fibers switch-over sergos
2020-09-28 13:06 ` Igor Munkin
2020-09-29 9:14 ` Sergey Ostanevich
2020-10-01 21:25 ` Vladislav Shpilevoy
2020-10-01 21:29 ` Igor Munkin
2020-10-01 22:17 ` Igor Munkin
2020-10-02 12:43 ` Kirill Yukhin
2020-10-02 12:44 ` Igor Munkin [this message]
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