unofficial mirror of bug-guix@gnu.org 
 help / color / mirror / code / Atom feed
* bug#40504: Insufficient high-level caching when grafts are enabled
@ 2020-04-08 11:00 Ludovic Courtès
  0 siblings, 0 replies; only message in thread
From: Ludovic Courtès @ 2020-04-08 11:00 UTC (permalink / raw)
  To: 40504

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’.

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2020-04-08 11:02 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-04-08 11:00 bug#40504: Insufficient high-level caching when grafts are enabled Ludovic Courtès

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/guix.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).