On Sat, Nov 13, 2004 at 10:38:22PM +0200, Ira Abramov wrote:
> Quoting Yedidyah Bar-David, from the post of Sat, 13 Nov:
> > The things you do currently depend a lot on other things, like disk
> > speed etc.
I intended to add, in the previous mail, that the new things you intend
to do, video-related, are much more cpu-intensive, which is obvious, and
that's why I started with 'currently'. Nevermind. I can just tell you
that the little I did with sound (e.g. oggenc) was much faster on the
duron than on lower-mhz machines, even with more cache.
>
> I surf in tabs. when I middle-click a link, there's a pretty long freeze
> while the mozilla allocates the memory for the new tab, draws the tab,
> starts twirling the download graphic, and finally the window is
> responsive to the mouse cursor again. this process takes under 1/20 of
> the time on the same machine running Firefox under windows.
Weird.
mozilla, on Debian, is a script that does mozilla-bin -remote, if it
already runs. So one way to measure such things is to do
time xtoolwait sh -c 'mozilla; sleep 2'
after it is already started. This takes here around 1 sec. Not very
fast, but I doubt it takes on Windows 0.05 secs.
>
> maybe it's not the machine I should upgrade then. maybe something is
> really wrong with the way it's built on Debian Sid?
Not my sid :-)
>
> > Also, I read some time ago about prelink, and your email
> > convinced me to try it. It made both mozilla and firefox go from 6
> > seconds (time xtoolwait mozilla/firefox, second try, to let the cache
> > help) to 3. apt-get install prelink, prelink -av -f -mR. It also
> > installs a cronjob, disabled by default. Times, BTW, are on a 1Ghz
> > Duron, with X on a P166Mhz.
>
> I could not care less about loding time of programs that get started
> twice a week and stay open all the time... it's the work speed I am
> annoyed by.
Sorry, more people use my machine (at home) so I can't. I think for
some time now about stuff like VNC/nx. Anyone cares to share their
experience? I must say it puzzles me how it turned out that technically
(with e.g. VNC) it was possible in unix for many years, but it never
became common because it never became comfortable, and in NT it only
became possible in XP (and 2000 server, but I am talking about home
users) and it became common almost immediately - many people I know,
some of them aren't too technical, use this feature (called, I think,
"disconnecting" on XP). The unix world does have many things to learn
from MS about UIs.
>
> maybe I have a general problem with memory management? it sometimes also
> takes 5-6 seconds for vim to allocate and run when forked (usually from
> within mutt...)
Again, very weird.
$ time vim -c :q
real 0m0.085s
user 0m0.050s
sys 0m0.020s
I suggest you use vim as a test case, since it's probably way simpler
than mozilla. Try something like
strace -r -f -o /tmp/tr1 vim -c :q
Then something like
awk '{if ($2>0.001) print last; last=$0}' /tmp/tr1
>
> > > on to my next project now... figure out why kernel 2.6.9 killed cdrecord
> > > and how to fix it. sayonara for now.
> >
> > Does work for me, but with the ide-scsi module, contrary to what it
> > says at insmod time. cdrecord dev=/dev/hdx sometimes worked, not always.
> > I think it never worked with 2.6.9 for me.
>
> problem solved. oddly it was the ide-cd module (ide-scsi is deprecated
> in 2.6, and cdrecord works quite well with ATA). Next to install my DVD
> burner...
I have one at work for a few weeks, tried to burn to DVD 2-3 times, all
bad. The burn finished well, but the media had errors on reading, one
of them only after around 4GBs. So test well. The same box of medias
was problematic on windows too, so I tend to think it's them, not the
drive/software. However, it also didn't burn well to CDR, with
dev=/dev/hdx. Last time I tried with ide-scsi (dev=0,0,0) and it worked
well. For burning to dvd I used dvdrecord from dvdrtools. I never tried
yet to burn to DVD+R (which needs dvd+rw-tools).
Good luck,
--
Didi
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