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From: Markus Elfring <Markus.Elfring@web.de>
To: "Gábor Szeder" <szeder.dev@gmail.com>
Cc: "René Scharfe" <l.s.r@web.de>, "Jeff King" <peff@peff.net>,
	git@vger.kernel.org
Subject: Re: coccinelle: improve array.cocci
Date: Fri, 22 Nov 2019 17:17:56 +0100	[thread overview]
Message-ID: <c9cc76dc-615f-ff89-6305-64d897734a4a@web.de> (raw)
In-Reply-To: <20191122152950.GZ23183@szeder.dev>

> I did try --jobs on a couple of occasions,

Thanks for your feedback.


> and the results always varied between broken, not working,

The parallelisation support by the Coccinelle software was questionable
for a while.


> or downright making things even slower.

I wonder about this information.


…
>   spatch version 1.0.4 with Python support and with PCRE support
…
>   Fatal error: exception Sys_error("array: No such file or directory")

Another bit of background information:
* https://lore.kernel.org/cocci/99082e9d-8047-eee3-68dd-9849868d4a96@users.sourceforge.net/
  https://systeme.lip6.fr/pipermail/cocci/2016-August/003546.html

* https://lore.kernel.org/cocci/alpine.DEB.2.10.1506171707190.2578@hadrien/
  https://systeme.lip6.fr/pipermail/cocci/2015-June/002141.html


…
> Therefore, merely passing in '--jobs <N>' doesn't bring any runtime benefits:

This program parameter should be used for other command variants.

…
> It appears that batching 'spatch' invocations with 1.0.8 does not
> bring the same benefits as with 1.0.4, but brings slowdowns instead...

Would you like to share your experiences also on the Coccinelle mailing list?

Regards,
Markus

  reply	other threads:[~2019-11-22 16:18 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-12 15:08 coccinelle: adjustments for array.cocci? Markus Elfring
2019-11-12 18:37 ` René Scharfe
2019-11-13  2:11   ` Junio C Hamano
2019-11-13  8:49     ` Markus Elfring
2019-11-14  2:03       ` Junio C Hamano
2019-11-14 13:15         ` Markus Elfring
2019-11-14 16:41           ` René Scharfe
2019-11-14 17:14             ` Markus Elfring
2019-11-14 17:46               ` René Scharfe
2019-11-15 11:11                 ` git-coccinelle: " Markus Elfring
2019-11-15 11:11                   ` [Cocci] " Markus Elfring
2019-11-15 14:20                   ` Markus Elfring
2019-11-15 14:20                     ` [Cocci] " Markus Elfring
2019-11-15 18:50                   ` Markus Elfring
2019-11-15 18:50                     ` [Cocci] " Markus Elfring
2019-11-16  1:00                     ` Julia Lawall
2019-11-16  1:00                       ` Julia Lawall
2019-11-16  6:57                       ` Markus Elfring
2019-11-16  6:57                         ` Markus Elfring
2019-11-16  8:29                       ` Markus Elfring
2019-11-16  8:29                         ` Markus Elfring
2019-11-16 17:57                   ` Julia Lawall
2019-11-16 17:57                     ` Julia Lawall
2019-11-16 18:29                     ` Markus Elfring
2019-11-16 18:29                       ` Markus Elfring
2019-11-15 20:37   ` coccinelle: " Markus Elfring
2019-11-16 21:13     ` René Scharfe
2019-11-17  7:56       ` Markus Elfring
2019-11-17 13:40         ` René Scharfe
2019-11-17 18:19           ` Markus Elfring
2019-11-19 19:14             ` René Scharfe
2019-11-19 20:21               ` Markus Elfring
2019-11-21 19:01                 ` René Scharfe
2019-11-16 16:33   ` Markus Elfring
2019-11-16 21:38     ` René Scharfe
2019-11-17  8:19       ` Markus Elfring
2019-11-17 13:40         ` René Scharfe
2019-11-17 18:36           ` Markus Elfring
2019-11-19 19:15             ` René Scharfe
2019-11-18 16:10           ` [PATCH] coccinelle: improve array.cocci Markus Elfring
2019-11-19 19:15             ` René Scharfe
2019-11-20  9:01               ` Markus Elfring
2019-11-21 19:02                 ` René Scharfe
2019-11-21 19:44                   ` Markus Elfring
2019-11-22 15:29                     ` SZEDER Gábor
2019-11-22 16:17                       ` Markus Elfring [this message]
2019-11-22  5:54               ` [PATCH] " Junio C Hamano
2019-11-22  7:34                 ` Markus Elfring
2020-01-25  8:23             ` Markus Elfring

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