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| author | Massimiliano Culpo <massimiliano.culpo@gmail.com> | 2019-05-28 15:42:04 +0200 |
|---|---|---|
| committer | Todd Gamblin <tgamblin@llnl.gov> | 2019-05-28 06:42:04 -0700 |
| commit | 01ece824e1ddda561acb5f611dc55a1f906e99a3 (patch) | |
| tree | 822ce84d0f37ba10c076d3b4b1d9266b896df5bb /etc | |
| parent | 2a51e07fdecf317be5d7ad8cfbda54a0f39f583b (diff) | |
| download | spack-01ece824e1ddda561acb5f611dc55a1f906e99a3.tar.gz spack-01ece824e1ddda561acb5f611dc55a1f906e99a3.tar.bz2 spack-01ece824e1ddda561acb5f611dc55a1f906e99a3.tar.xz spack-01ece824e1ddda561acb5f611dc55a1f906e99a3.zip | |
Cap the maximum number of build jobs (#11373)
* config:build_jobs now controls the number of parallel jobs to spawn during
builds, but cannot ever exceed the number of cores on the machine.
* The default is set to 16 or the number of available cores, whatever
is lowest.
* Updated docs to reflect the changes done to limit parallel builds
Diffstat (limited to 'etc')
| -rw-r--r-- | etc/spack/defaults/config.yaml | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/etc/spack/defaults/config.yaml b/etc/spack/defaults/config.yaml index 6e8c1905e8..37db99f4c9 100644 --- a/etc/spack/defaults/config.yaml +++ b/etc/spack/defaults/config.yaml @@ -99,10 +99,12 @@ config: locks: true - # The default number of jobs to use when running `make` in parallel. - # If set to 4, for example, `spack install` will run `make -j4`. - # If not set, all available cores are used by default. - # build_jobs: 4 + # The maximum number of jobs to use when running `make` in parallel, + # always limited by the number of cores available. For instance: + # - If set to 16 on a 4 cores machine `spack install` will run `make -j4` + # - If set to 16 on a 18 cores machine `spack install` will run `make -j16` + # If not set, Spack will use all available cores up to 16. + # build_jobs: 16 # If set to true, Spack will use ccache to cache C compiles. |