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From: Jeff King <peff@peff.net>
To: "René Scharfe" <l.s.r@web.de>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 0/11] renaming argv_array
Date: Wed, 12 Aug 2020 11:10:38 -0400	[thread overview]
Message-ID: <20200812151038.GB33189@coredump.intra.peff.net> (raw)
In-Reply-To: <20200812150611.GA33189@coredump.intra.peff.net>

On Wed, Aug 12, 2020 at 11:06:11AM -0400, Jeff King wrote:

> Debian unstable now ships coccinelle 1.0.8, and it's unbelievably slow
> compared to 1.0.4. Running "make coccicheck" is currently at 80 minutes
> of CPU time running each script in parallel, with none of them down.
> They're also all consuming 6GB of RAM each, so I'm killing them all.

This seems to be related to setting SPATCH_BATCH_SIZE to "0". It used to make
things go much faster (if you had enough memory), but now seems to just
consume tons of CPU. Setting it to "1" finishes the whole thing in ~13
minutes of CPU (~2m wall-clock).

So that's at least a path forward, but in general I have been frustrated
with operational aspects of coccinelle like this.

-Peff

  reply	other threads:[~2020-08-12 15:10 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 20:21 Jeff King
2020-07-28 20:21 ` [PATCH 01/11] argv-array: use size_t for count and alloc Jeff King
2020-07-28 20:23 ` [PATCH 02/11] argv-array: rename to strvec Jeff King
2020-07-28 20:23 ` [PATCH 03/11] strvec: rename files from argv-array " Jeff King
2020-07-28 20:24 ` [PATCH 04/11] quote: rename sq_dequote_to_argv_array to mention strvec Jeff King
2020-07-28 20:24 ` [PATCH 05/11] strvec: convert builtin/ callers away from argv_array name Jeff King
2020-07-28 20:24 ` [PATCH 06/11] strvec: convert more " Jeff King
2020-07-28 20:25 ` [PATCH 07/11] strvec: convert remaining " Jeff King
2020-07-28 20:26 ` [PATCH 08/11] strvec: fix indentation in renamed calls Jeff King
2020-07-28 22:43   ` Jacob Keller
2020-07-28 23:31     ` Junio C Hamano
2020-07-28 20:26 ` [PATCH 09/11] strvec: update documention to avoid argv_array Jeff King
2020-07-28 20:27 ` [PATCH 10/11] strvec: drop argv_array compatibility layer Jeff King
2020-07-28 22:23   ` Junio C Hamano
2020-07-29  0:04     ` Jeff King
2020-07-29  0:37       ` Jeff King
2020-07-29  0:40         ` Jeff King
2020-07-29  0:47           ` Junio C Hamano
2020-07-29 16:54             ` Derrick Stolee
2020-07-29  0:44         ` Junio C Hamano
2020-07-29 16:22           ` Jeff King
2020-07-28 20:28 ` [PATCH 11/11] strvec: rename struct fields Jeff King
2020-07-28 21:16   ` Junio C Hamano
2020-07-28 21:18     ` Junio C Hamano
2020-07-29  6:55       ` Christian Couder
2020-07-29 16:34         ` Jeff King
2020-07-29 18:03           ` Junio C Hamano
2020-07-28 21:20     ` Jeff King
2020-07-28 22:45 ` [PATCH 0/11] renaming argv_array Jacob Keller
2020-07-29  0:06   ` Jeff King
2020-07-29  6:15 ` Christian Couder
2020-07-29  6:19   ` Christian Couder
2020-07-29 13:32   ` Eric Sunshine
2020-07-29 16:33   ` Jeff King
2020-08-11 16:08 ` René Scharfe
2020-08-11 18:28   ` Taylor Blau
2020-08-11 19:00   ` Junio C Hamano
2020-08-11 20:39     ` Jacob Keller
2020-08-11 21:03       ` Junio C Hamano
2020-08-12 12:42     ` Johannes Schindelin
2020-08-12 15:06   ` Jeff King
2020-08-12 15:10     ` Jeff King [this message]
2020-08-12 16:23       ` René Scharfe
2020-08-12 17:08         ` Jeff King
2020-08-12 18:18           ` René Scharfe
2020-08-12 19:57             ` Jeff King

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