From: Junio C Hamano <gitster@pobox•com>
To: Mike Hommey <mh@glandium•org>
Cc: Jeff King <peff@peff•net>, larsxschneider@gmail•com, git@vger•kernel.org
Subject: Re: [PATCH] travis-ci: run previously failed tests first, then slowest to fastest
Date: Tue, 19 Jan 2016 17:46:55 -0800 [thread overview]
Message-ID: <xmqqfuxt6n00.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20160120002606.GA9359@glandium.org> (Mike Hommey's message of "Wed, 20 Jan 2016 09:26:06 +0900")
Mike Hommey <mh@glandium•org> writes:
> On Tue, Jan 19, 2016 at 03:00:52PM -0800, Junio C Hamano wrote:
>
>> I think 3 comes from this:
>>
>> http://thread.gmane.org/gmane.comp.version-control.git/279348/focus=279674
>
> Having recently looked into this, the relevant travis-ci documentation
> is:
> https://docs.travis-ci.com/user/ci-environment/
>
> which says all environments have 2 cores, so you won't get much from
> anything higher than -j3.
>
> The following document also says something slightly different:
> https://docs.travis-ci.com/user/speeding-up-the-build#Parallelizing-your-build-on-one-VM
>
> "Travis CI VMs run on 1.5 virtual cores."
Yup, that 1.5 was already mentioned in the earlier thread, but many
tests are mostly I/O bound, so 1.5 (or 2 for that matter) does not
mean we should not go higher than -j2 or -j3. What I meant was that
the 3 comes from the old discussion "let's be nice to those who
offer this to us for free".
next prev parent reply other threads:[~2016-01-20 1:47 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-19 9:24 [PATCH] travis-ci: run previously failed tests first, then slowest to fastest larsxschneider
2016-01-19 19:12 ` Jeff King
2016-01-19 23:00 ` Junio C Hamano
2016-01-20 0:26 ` Mike Hommey
2016-01-20 1:46 ` Junio C Hamano [this message]
2016-01-20 1:56 ` Jeff King
2016-01-20 9:22 ` Lars Schneider
2016-01-22 2:33 ` brian m. carlson
2016-01-22 5:52 ` Jeff King
2016-01-22 6:07 ` Jeff King
2016-01-24 14:34 ` Thomas Gummerer
2016-01-24 20:03 ` Junio C Hamano
2016-01-24 22:05 ` Junio C Hamano
2016-01-25 14:42 ` Thomas Gummerer
2016-01-25 17:26 ` Junio C Hamano
2016-01-25 21:52 ` Junio C Hamano
2016-01-27 15:16 ` Clemens Buchacher
2016-01-27 19:05 ` Junio C Hamano
2016-01-27 20:49 ` Junio C Hamano
2016-01-28 7:10 ` Clemens Buchacher
2016-01-28 21:32 ` Junio C Hamano
2016-01-30 8:13 ` Clemens Buchacher
2016-02-01 18:17 ` Junio C Hamano
2016-02-01 19:33 ` Clemens Buchacher
2016-02-02 23:14 ` Junio C Hamano
2016-02-03 8:31 ` Junio C Hamano
2016-02-01 20:26 ` Torsten Bögershausen
2016-01-28 6:20 ` eol round trip Was: [PATCH] travis-ci: run previously failed Torsten Bögershausen
2016-01-25 22:41 ` [PATCH] travis-ci: run previously failed tests first, then slowest to fastest Thomas Gummerer
2016-01-20 1:53 ` Jeff King
2016-01-20 9:10 ` Lars Schneider
2016-01-19 20:00 ` Junio C Hamano
2016-01-19 22:53 ` Junio C Hamano
2016-01-19 23:06 ` Jeff King
2016-01-19 23:26 ` Junio C Hamano
2016-01-19 23:29 ` Jeff King
2016-01-19 23:30 ` Junio C Hamano
2016-01-19 23:27 ` Jeff King
2016-01-20 7:55 ` Johannes Schindelin
2016-01-20 9:04 ` Lars Schneider
2016-01-20 20:35 ` Junio C Hamano
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