‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Thursday, November 5, 2020 4:10 PM, zimoun wrote: > Hi, > > On Thu, 05 Nov 2020 at 14:47, Luis Felipe luis.felipe.la@protonmail.com wrote: > > > > Clever workaround! What are now the performances on previous examples > > > (same profiles and same packages)? > > > > In my case there seem to be no improvement (using Guix 5e7cf66fb35780f930ad0bc5fe21ac330df4411d). > > $ time guix package -i perl --max-jobs=1 > > [...] > > > real 8m38,121s > > user 0m2,742s > > sys 0m0,338s > > Thanks. But it is hard to conclude because the previous timing is > missing. I don't understand, I posted my original timing in https://issues.guix.gnu.org/44053#1 . > The right experiment should be: > > --8<---------------cut here---------------start------------->8--- > old=c73496f433044a76003b33c3855bb35ecd0df87f > new=5e7cf66fb35780f930ad0bc5fe21ac330df4411d > guix time-machine --commit=$old -- help > guix time-machine --commit=$new -- help > > drv=$(guix gc -R $(guix gc --derivers $(readlink -f ~/.guix-profile)) |grep xdg-mime-database.drv) > > guix package -I |wc -l > time guix time-machine --commit=$old -- build --check $drv > time guix time-machine --commit=$new -- build --check $drv > --8<---------------cut here---------------end--------------->8--- I get this: yo@gnu: ~❯ guix package -I |wc -l 85 yo@gnu: ~❯ time guix time-machine --commit=$old -- build --check $drv Actualizando el canal 'guix' del repositorio Git en 'https://git.savannah.gnu.org/git/guix.git'... Actualizando el canal 'luflac-x' del repositorio Git en 'git@gitlab.com:luis-felipe/guix-channel-x.git'... Se construirá la siguiente extensión del perfil: /gnu/store/8hswzn212w7wqlr7cgsvq5v7zjh62chc-xdg-mime-database.drv construyendo la base de datos MIME XDG... /gnu/store/8hswzn212w7wqlr7cgsvq5v7zjh62chc-xdg-mime-database.drv construido satisfactoriamente /gnu/store/i4qslq2517pwkwb5dyivrg8idsjd8n11-xdg-mime-database real 0m56,245s user 0m4,324s sys 0m0,218s yo@gnu: ~❯ time guix time-machine --commit=$new -- build --check $drv Actualizando el canal 'guix' del repositorio Git en 'https://git.savannah.gnu.org/git/guix.git'... Actualizando el canal 'luflac-x' del repositorio Git en 'git@gitlab.com:luis-felipe/guix-channel-x.git'... Se construirá la siguiente extensión del perfil: /gnu/store/8hswzn212w7wqlr7cgsvq5v7zjh62chc-xdg-mime-database.drv construyendo la base de datos MIME XDG... /gnu/store/8hswzn212w7wqlr7cgsvq5v7zjh62chc-xdg-mime-database.drv construido satisfactoriamente /gnu/store/i4qslq2517pwkwb5dyivrg8idsjd8n11-xdg-mime-database real 0m43,272s user 0m4,214s sys 0m0,200s