On Thu, Sep 1, 2011 at 7:33 PM, Philipp <[email protected]> wrote: > Hi there, > pacman works very well for me, with one exception: searching for > installed packages. For me a -Ss takes about 5 seconds, a -Qs 25 > seconds. I also noticed that this seems to be true for the first search > run only, the following ones are less than a second, no matter whether > it's a repo or local search. But if you want to just quickly find out a > thing, 25 seconds or so is a long time. > > Anyway, I had a very brief look at the code and am far from > understanding it, but I think libalpm/db.c handles the search, the > package names, descriptions, etc. are stored in a linked list of > structs, the whole thing is cached in memory only and regex wizardry > is used for the search. If that's true, the bottleneck I experience is > the caching. > > 5 seconds for -Ss is acceptable for me, but I wonder whether there's a > reasonably easy way to improve the 25 seconds of -Qs. > > My knowledge of pacman internals is non-existant and my C skills are > minimal, so I don't think I can be a lot of help with this one, but > maybe there's something else I can be of help with instead. > > Best regards, > Philipp > > >
I'm getting 10s -Qs first-time searches, what harddrive are you using??
