From: David Gibson <david@gibson.dropbear.id.au>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1 3/3] .travis.yml: make -j3
Date: Wed, 23 Mar 2016 12:25:18 +1100 [thread overview]
Message-ID: <20160323012518.GP23586@voom.redhat.com> (raw)
In-Reply-To: <1458651195-21176-4-git-send-email-alex.bennee@linaro.org>
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On Tue, Mar 22, 2016 at 12:53:15PM +0000, Alex Bennée wrote:
> The move from Travis VMs to Containers came with a upgrade from 1.5
> cores to 2. The received wisdom is -j N+1 means a core can be doing work
> while other threads wait for IO to complete. This is hard to test on the
> Travis infrastructure but an initial before/after eyeballing seems to
> confirm it is an improvement.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> .travis.yml | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/.travis.yml b/.travis.yml
> index 3f77bfa..345e3ca 100644
> --- a/.travis.yml
> +++ b/.travis.yml
> @@ -59,7 +59,7 @@ before_install:
> before_script:
> - ./configure ${CONFIG}
> script:
> - - make -j2 && ${TEST_CMD}
> + - make -j3 && ${TEST_CMD}
> matrix:
> include:
> # Sparse is GCC only
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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prev parent reply other threads:[~2016-03-23 2:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-22 12:53 [Qemu-devel] [PATCH v1 0/3] reduce the matrix, add OSX, speed-up Travis? Alex Bennée
2016-03-22 12:53 ` [Qemu-devel] [PATCH v1 1/3] .travis.yml: collapse the test matrix Alex Bennée
2016-03-23 0:42 ` David Gibson
2016-03-22 12:53 ` [Qemu-devel] [PATCH v1 2/3] .travis.yml: enable OSX builds Alex Bennée
2016-03-22 13:49 ` Peter Maydell
2016-03-22 14:12 ` Alex Bennée
2016-03-22 12:53 ` [Qemu-devel] [PATCH v1 3/3] .travis.yml: make -j3 Alex Bennée
2016-03-23 1:25 ` David Gibson [this message]
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