diff options
author | Kenny Ballou <kb@devnulllabs.io> | 2023-01-13 23:39:07 -0700 |
---|---|---|
committer | Kenny Ballou <kb@devnulllabs.io> | 2023-01-13 23:54:28 -0700 |
commit | ee9751f14928ab3fa8fee21a1a18cd9bd42a8d39 (patch) | |
tree | a26e32b1cef3459efc33774078a800486fa96bf3 /Makefile | |
parent | 929c4b2ec911ff0e5010c527287eb2bdbe97b825 (diff) | |
download | dotfiles-ee9751f14928ab3fa8fee21a1a18cd9bd42a8d39.tar.gz dotfiles-ee9751f14928ab3fa8fee21a1a18cd9bd42a8d39.tar.xz |
compute usable number of cores for builds
Consider 1/4 of the CPU count as "usable" for Guix builds.
Signed-off-by: Kenny Ballou <kb@devnulllabs.io>
Diffstat (limited to 'Makefile')
-rw-r--r-- | Makefile | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -5,6 +5,9 @@ HOSTS=h4x daeva owl baal yak koi bard SYSTEMS=$(patsubst %,systems/%,$(HOSTS)) HOMES=$(patsubst %,homes/%,$(HOSTS)) HOSTNAME=$(shell hostname) +NPROC=$(shell nproc) +CORES=$(guile (max 1 (floor (/ $(NPROC) 4)))) + .PHONY: current-system current-system: config/emacs/emacs.d/init.el homes/$(HOSTNAME) systems/$(HOSTNAME) @@ -65,11 +68,11 @@ all-systems: $(SYSTEMS) all-homes: $(HOMES) $(HOMES): - guix time-machine -C $(CHANNEL_FILE) -- home build --cores=2 $@.scm + guix time-machine -C $(CHANNEL_FILE) -- home build --cores=$(CORES) $@.scm .PHONY: $(SYSTEMS) $(SYSTEMS): - guix time-machine -C $(CHANNEL_FILE) -- system build --cores=2 $@.scm + guix time-machine -C $(CHANNEL_FILE) -- system build --cores=$(CORES) $@.scm ## Private targets config/emacs/emacs.d/init.el config/emacs/emacs.d/early-init.el: config/emacs/emacs.d/emacs.org |