[gpodder-devel] Latest gPodder: very CPU intensive downloads
- From: wvanrooijen at yahoo.com (Wilfred van Rooijen)
- Date: Wed, 26 Sep 2007 04:59:44 -0700 (PDT)
Hi Thomas,
yes, I'd be willing to help you out on this subject if
you want to. I have a cable internet connection.
Inside the house, I have wireless, so the max download
bandwidth is about 600 KB/s. If I use a wired
connection, it can be as high as 1.2 MB/s. I have
several feeds with high bandwidth I frequently use.
BTW, I also use DownThemAll on Firefox every once in a
while, and that will download @ maximum velocity with
status updates and all, but does not take an
appreciable amount of CPU time.
Regards,
Wilfred
--- Thomas Perl <thp at perli.net> wrote:
> Hello, Wilfred!
>
> On Tue, 2007-09-25 at 16:40 -0700, Wilfred van
> Rooijen wrote:
> > An observation using the latest version of
> gPodder: downloading is
> > very resource intensive now (or so it seems). I
> have a laptop with CPU
> > throttling. I am downloading 5 streams @ 100 KB/s
> each, and the CPU
> > goes to full speed (1.6 GHz), CPU indicator shows
> close to 100%
> > constantly and ACPI CPU temp goes up from about 45
> C (normal idle
> > temp) to 76 C (normal temp during full use). The
> older version of
> > gPodder got the streams at almost the same
> bandwidth, but did
> > not use that much CPU-time. Any ideas? I'm
> convinced that some process
> > is doing some busy waiting somewhere during the
> downloads.
>
> I think the problem is related to gPodder doing
> status updates more
> often than previously, and the GTK interface has to
> keep up with the
> constant flow of GUI updates (window title and the
> "downloads" tree
> model + tree view).
>
> I've tried porting gPodder to Windows yesterday, and
> running on my
> 1.7GHz Pentium IV-M, I was able to see these
> "hanging" problems on Win32
> when downloading from a local server. It doesn't
> happen to me on Linux
> (I'm having my download queue set to 1) and if
> doesn't happen when
> downloading _anything_ from the Internet, because
> with my previous 64k
> line, I can't get anything beyond 8kb/s, so there
> cannot possibly be
> more GUI updates than that :)
>
> That being said, I think I could try to limit the
> number of GUI updates
> by filtering the messages sent to the GUI for
> updating the interface. I
> would need you to check out the SVN repository,
> apply patches to it that
> I send you and you test if things work with a
> high-speed internet
> connection. Would you like to help here?
>
> Thomas
>
>
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>
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>
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