bug#55398: closed ([PATCH 0/3] Improve store caching; improve 'map/accumulate-builds' performance)

[GNU bug Tracking System]

Your message dated Thu, 19 May 2022 00:10:18 +0200
with message-id <875ym21ohh.fsf@gnu.org>
and subject line Re: bug#55398: [PATCH 0/3] Improve store caching; improve 
'map/accumulate-builds' performance
has caused the debbugs.gnu.org bug report #55398,
regarding [PATCH 0/3] Improve store caching; improve 'map/accumulate-builds' 
performance
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs@gnu.org.)


-- 
55398: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=55398
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems
> --- Begin Message ---
>
>
>
> Subject: 
>
> [PATCH 0/3] Improve store caching; improve 'map/accumulate-builds' performance
>
>
>
>
> Date: 
>
> Fri, 13 May 2022 16:59:47 +0200
>
>
>
>
> Hello!
>
> The first patch improves cache handling, providing a generic
> way to trace caches.  The second patch adds a separate package/graft
> cache, as was previously suggested in a comment.  The cache hit rate
> can be seen by setting GUIX_PROFILING:
>
> --8<---------------cut here---------------start------------->8---
> $ time GUIX_PROFILING=package-graft-cache ./pre-inst-env guix home build -v1 -n 
> ~/src/configuration/home-config.scm   
> 28.5 MB would be downloaded
>
> Package Graft Cache:
>   fresh caches:     1
>   lookups:        794
>   hits:           784 (98.7%)
>   cache size:      10 entries
>
> real    0m7.953s
> user    0m9.091s
> sys     0m0.291s
> --8<---------------cut here---------------end--------------->8---
>
> The last patch improves performance in the presence of grafts by trimming
> exploration of the call tree in ‘map/accumulate-builds’.  This is very
> much a heuristic, but it does help significantly for ‘guix system’,
> ‘guix home’, or ‘guix package’ with many packages.
>
> Thoughts?
>
> Ludo’.
>
> Ludovic Courtès (3):
>   store: 'mcached' users can specify a cache ID.
>   packages: Use separate package/graft cache.
>   store: Use a decaying cutoff in 'map/accumulate-builds'.
>
>  guix/packages.scm |  12 ++++--
>  guix/store.scm    | 104 +++++++++++++++++++++++++++++++++-------------
>  2 files changed, 84 insertions(+), 32 deletions(-)
>
>
> base-commit: 0b4300d4fd8c972f0cb9d6751fc824b9a065b780
> -- 
> 2.36.0
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#55398: [PATCH 0/3] Improve store caching; improve 'map/accumulate-builds' performance
>
>
>
>
> Date: 
>
> Thu, 19 May 2022 00:10:18 +0200
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)
>
>
>
>
> Ludovic Courtès <ludo@gnu.org> skribis:
>
> >   store: 'mcached' users can specify a cache ID.
> >   packages: Use separate package/graft cache.
> >   store: Use a decaying cutoff in 'map/accumulate-builds'.
>
> Pushed as 2f170893719e6e9fc8e19cc5f0568e20a95d92b4.
>
> Ludo’.
>
>
> --- End Message ---