[mythtv] some stats from my celeron 1.7Ghz and a question
Chris Kleeschulte
mythtv-dev@snowman.net
Wed, 14 Aug 2002 17:42:51 -0700
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I will look for the error again and grab the numbers (my console dumped =
the beginning due to too many of the messages being outputted; I will =
instead dump the output to a file). Yeah the Celeron is really that slow =
because I am definitely not using a debug build. I am not sure why the =
Celeron can't crunch the numbers as fast as your 1800+...I don't think =
the larger on-chip cache matters, does it? I will definitely post those =
audio messages because I think they might help someone else that has my =
config.
thanks Isaac,
Chris
----- Original Message -----=20
From: Isaac Richards=20
To: mythtv-dev@snowman.net=20
Sent: Wednesday, August 14, 2002 4:47 PM
Subject: Re: [mythtv] some stats from my celeron 1.7Ghz and a question
On Wednesday 14 August 2002 06:51 pm, Chris Kleeschulte wrote:
> I was running mythtv today at 480x480...video capture quality of =
about 230
> and a mp3 quality of 4 w/ my celeron 1.7 Ghz. The system was running =
fine
> at about 72% CPU load for about 40 minutes before I started getting =
the
> message on the console:
>
> "audio running behind..."
> "no more audio buffers :-("
>
> (I got a lot more of the above)
Know which one showed up first? And, maybe have the actual error =
messages?
The 'audio behind' message should have a couple of numbers after it, =
and the=20
first few times that shows up would be interesting to see.. =20
> eventually the picture locked.....I am assuming this is just because =
the
> CPU was too high and the audio encoding lagged behind enough to lock =
the
> picture. Am I correct? I didn't have time to reduce the system
> load/resolution and try again. Anyone else have this happen?
I've not had happen, but I don't think it was due to load.. The lock =
up=20
probably happened because the audio and video were so far out of sync =
that=20
the player didn't know what to do to get them back in sync. Not sure =
why the=20
audio recording started lagging, though..
> Isaac: What resolution are you running your mythtv? Any problems at =
higher
> resolutions?
480x480 at quality 170.. Not enough difference on my tv + viewing =
distance to=20
be worth the extra space for higher res/higher quality, though that =
may=20
change soonish.. I've not noticed any problems with higher =
resolutions,=20
though.
> Some more stats on my machine in case you're interested:
>
>
> @ 640x480....system CPU runs at 95-97%
> @ 480x480....system CPU runs at 70-73%
> @ 352x240....system CPU runs at 8-10%
The numbers for my athlon 1800+ are much lower, like half those -- are =
you=20
running a debug build, or is the celery really that much slower?
Isaac
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<DIV><FONT face=3DVerdana size=3D2>I will look for the error again and =
grab the=20
numbers (my console dumped the beginning due to too many of the messages =
being=20
outputted; I will instead dump the output to a file). Yeah the Celeron =
is really=20
that slow because I am definitely not using a debug build. I am not sure =
why the=20
Celeron can't crunch the numbers as fast as your 1800+...I don't think =
the=20
larger on-chip cache matters, does it? I will definitely post those =
audio=20
messages because I think they might help someone else that has my=20
config.</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>thanks Isaac,</FONT></DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2></FONT> </DIV>
<DIV><FONT face=3DVerdana size=3D2>Chris</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A title=3Dijr@po.cwru.edu href=3D"mailto:ijr@po.cwru.edu">Isaac =
Richards</A>=20
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dmythtv-dev@snowman.net=20
href=3D"mailto:mythtv-dev@snowman.net">mythtv-dev@snowman.net</A> =
</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Wednesday, August 14, =
2002 4:47=20
PM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [mythtv] some =
stats from my=20
celeron 1.7Ghz and a question</DIV>
<DIV><BR></DIV>On Wednesday 14 August 2002 06:51 pm, Chris Kleeschulte =
wrote:<BR>> I was running mythtv today at 480x480...video capture =
quality=20
of about 230<BR>> and a mp3 quality of 4 w/ my celeron 1.7 Ghz. The =
system=20
was running fine<BR>> at about 72% CPU load for about 40 minutes =
before I=20
started getting the<BR>> message on the console:<BR>><BR>> =
"audio=20
running behind..."<BR>> "no more audio buffers :-("<BR>><BR>> =
(I got=20
a lot more of the above)<BR><BR>Know which one showed up first? =
And,=20
maybe have the actual error messages?<BR>The 'audio behind' message =
should=20
have a couple of numbers after it, and the <BR>first few times that =
shows up=20
would be interesting to see.. <BR><BR>> eventually the =
picture=20
locked.....I am assuming this is just because the<BR>> CPU was too =
high and=20
the audio encoding lagged behind enough to lock the<BR>> picture. =
Am I=20
correct? I didn't have time to reduce the system<BR>> =
load/resolution and=20
try again. Anyone else have this happen?<BR><BR>I've not had happen, =
but I=20
don't think it was due to load.. The lock up <BR>probably =
happened=20
because the audio and video were so far out of sync that <BR>the =
player didn't=20
know what to do to get them back in sync. Not sure why the =
<BR>audio=20
recording started lagging, though..<BR><BR>> Isaac: What resolution =
are you=20
running your mythtv? Any problems at higher<BR>>=20
resolutions?<BR><BR>480x480 at quality 170.. Not enough =
difference on my=20
tv + viewing distance to <BR>be worth the extra space for higher =
res/higher=20
quality, though that may <BR>change soonish.. I've not noticed =
any=20
problems with higher resolutions, <BR>though.<BR><BR>> Some more =
stats on=20
my machine in case you're interested:<BR>><BR>><BR>> @=20
640x480....system CPU runs at 95-97%<BR>> @ 480x480....system CPU =
runs at=20
70-73%<BR>> @ 352x240....system CPU runs at 8-10%<BR><BR>The =
numbers for my=20
athlon 1800+ are much lower, like half those -- are you <BR>running a =
debug=20
build, or is the celery really that much=20
=
slower?<BR><BR>Isaac<BR>_______________________________________________<B=
R>mythtv-dev=20
mailing list<BR><A=20
=
href=3D"mailto:mythtv-dev@snowman.net">mythtv-dev@snowman.net</A><BR><A=20
=
href=3D"http://www.snowman.net/mailman/listinfo/mythtv-dev">http://www.sn=
owman.net/mailman/listinfo/mythtv-dev</A></BLOCKQUOTE></BODY></HTML>
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