[pacman-dev] [GIT] The official pacman repository branch, master, updated. v3.0.0-585-g2f55733
dpmcgee at gmail.com
Mon Nov 19 07:56:22 EST 2007
On Nov 19, 2007 5:31 AM, Nagy Gabor <ngaba at bibl.u-szeged.hu> wrote:
> > commit c244cfecf654d34032585530f00d68501ec63d77
> > Author: Dan McGee <dan at archlinux.org>
> > Date: Mon Nov 12 23:01:14 2007 -0600
> > Move alpm_splitdep usage to db_read
> > Holy inefficient batman! For a pacman -Qt operation (when we are using
> > compute_requiredby and not database entries), splitdep was being called
> > ~1.3
> > million times on my local database. By splitting when we read the DB, we
> > drop this number to around 1700 and save a LOT of time in doing so (a 5x
> > increase in pacman -Qt speed here).
> > Note that the depends alpm_list_t in the package struct is no longer a
> > string list, but a list of pmdepent_t objects.
> > Signed-off-by: Dan McGee <dan at archlinux.org>
> Small note: Storing pmdepend_t in pkgcache eats much more memory.
Static length strings are what really kill us, so that is where the
effort should be focused. I believe Aaron is going to address this.
More information about the pacman-dev