Hello Guix, --8<---------------cut here---------------start------------->8--- $ GUIX_PROFILING=add-data-to-store-cache guix system build gnu/system/examples/bare-bones.tmpl -d --no-grafts /gnu/store/w5bsspzdgr55w01fiywir9a8glzlfiph-system.drv
'add-data-to-store' cache: lookups: 2289 hits: 174 (7.6%) .drv files: 1314 (57.4%) Scheme files: 935 (40.8%) $ GUIX_PROFILING=add-data-to-store-cache guix system build gnu/system/examples/bare-bones.tmpl -d /gnu/store/fg95kb40mmyyl4py5b2238amzzqdy56k-system.drv 'add-data-to-store' cache: lookups: 2557 hits: 360 (14.1%) .drv files: 1473 (57.6%) Scheme files: 1041 (40.7%) $ guix describe Generacio 137 Mar 31 2020 09:13:55 (nuna) guix 011f941 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: 011f9412795c141ea05fdfa3096ab252252d7080 --8<---------------cut here---------------end--------------->8--- That the ‘add-data-to-store’ hit rate doubles when grafts are enabled looks fishy. Ludo’.