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| author | Harmen Stoppels <harmenstoppels@gmail.com> | 2022-05-06 14:04:48 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-06 14:04:48 +0200 |
| commit | 2f14695882df11b831a7b804f9f8064c4ddfcfe9 (patch) | |
| tree | c57ae986c39064cc5150e6cf8be58268a0a87167 | |
| parent | afc2d4284a46d7f24df0f5127a3546259859855b (diff) | |
| download | spack-2f14695882df11b831a7b804f9f8064c4ddfcfe9.tar.gz spack-2f14695882df11b831a7b804f9f8064c4ddfcfe9.tar.bz2 spack-2f14695882df11b831a7b804f9f8064c4ddfcfe9.tar.xz spack-2f14695882df11b831a7b804f9f8064c4ddfcfe9.zip | |
docs: jobserver & generated makefiles (#30526)
| -rw-r--r-- | lib/spack/docs/environments.rst | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/spack/docs/environments.rst b/lib/spack/docs/environments.rst index 5b7a31d6ef..7744dc87e6 100644 --- a/lib/spack/docs/environments.rst +++ b/lib/spack/docs/environments.rst @@ -950,12 +950,14 @@ A typical workflow is as follows: spack -e . add perl spack -e . concretize spack -e . env depfile > Makefile - make -j8 - -This creates an environment in the current working directory, and after -concretization, generates a ``Makefile``. Then ``make`` starts at most -8 concurrent jobs, meaning that multiple ``spack install`` processes may -start. + make -j64 + +This generates a ``Makefile`` from a concretized environment in the +current working directory, and ``make -j64`` installs the environment, +exploiting parallelism across packages as much as possible. Spack +respects the Make jobserver and forwards it to the build environment +of packages, meaning that a single ``-j`` flag is enough to control the +load, even when packages are built in parallel. By default the following phony convenience targets are available: |