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bug#27780: guix environment to build guile from git required excessive C
From: |
Mark H Weaver |
Subject: |
bug#27780: guix environment to build guile from git required excessive CPU time |
Date: |
Thu, 20 Jul 2017 23:02:47 -0400 |
I just ran the following command on my Thinkpad X200 running GuixSD:
./pre-inst-env guix environment guile --ad-hoc autoconf automake libtool flex
gettext
Using the guix client from a git checkout at v0.13.0-1496-gcfd6a3b1e,
and using guix-daemon from guix-0.13.0-3.b547349.
This command took approximately 20 minutes of CPU time before
downloading anything except possibly some NARINFOs. During this initial
20 minutes of CPU-bound activity, the only output was 4 occurrences of
the following message:
substitute: updating list of substitutes from 'https://mirror.hydra.gnu.org'...
100.0%
The CPU time was roughly evenly split between the following two
processes:
--8<---------------cut here---------------start------------->8---
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 8456 57.0 0.1 37420 7788 ? Rs 22:27 11:31 \_
/gnu/store/gkv8zl774h2qpa89mrf6d74fry3rsnpa-guix-0.13.0-3.b547349/bin/guix-daemon
8450 guixbuild --max-silent-time 0 --timeout 0
--substitute-urls https://mirror.hydra.gnu.org --gc-keep-derivations=yes
--gc-keep-outputs=yes
root 8457 45.0 0.9 124040 38556 ? Rl 22:27 9:03 \_
/gnu/store/z16li2znnk2pdgrg3ldm34k669pcrdcx-guile-2.2.2/bin/guile
--no-auto-compile
/gnu/store/gkv8zl774h2qpa89mrf6d74fry3rsnpa-guix-0.13.0-3.b547349/bin/.guix-real
substitute --query
--8<---------------cut here---------------end--------------->8---
Immediately before this, I had run the same command but without the
final "gettext" argument, and it ran quite quickly.
I've run a similar command in the last couple of weeks, with the
"gettext" argument, and as I recall it ran reasonably quickly as well.
Mark
- bug#27780: guix environment to build guile from git required excessive CPU time,
Mark H Weaver <=