Date: Sun, 14 Mar 1999 22:34:05 +0200 (EET) From: Narvi <narvi@haldjas.folklore.ee> To: The Hermit Hacker <scrappy@hub.org> Cc: "Daniel O'Connor" <doconnor@gsoft.com.au>, freebsd-chat@FreeBSD.ORG Subject: RE: Unix vs Windows...slightly disappointing results... Message-ID: <Pine.BSF.3.96.990314223234.13278A-100000@haldjas.folklore.ee> In-Reply-To: <Pine.BSF.4.05.9903120930240.7045-100000@thelab.hub.org>
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On Fri, 12 Mar 1999, The Hermit Hacker wrote:
> On Fri, 12 Mar 1999, Daniel O'Connor wrote:
>
> >
> > On 12-Mar-99 The Hermit Hacker wrote:
> > > FreeBSD is on a PII-266, using a couple of different encoders (most
> > > recent: bladeenc), its takes ~20min per track, not including RIP time.
> > >
> > > WinNT 4.0 Workstation, on a Pentium 166...it takes ~5 minutes to RIP *and*
> > > encode that same track, including what the software calls "normalizing".
> > >
> > > Both are idle machines whil ethis is happening...
> > >
> > > Why does it take a quarter of the time under WinNT?
>
> > Hmm.. well depends on the software.. Xing's older mp3 compressor used
> > to filter out anything above 16khz :)
>
> I'm using this one, and it reports that it goes up to 20khz ... sound
> quality appears fine...
>
> > Perhaps a listen test is in order.
> >
> > Also, which encoder under FreeBSD?
>
> As mentiond above...bladeenc :)
>
> > I use bladenc, and on a PII-350 I get about 1:3.1 time (ie 1 min of real audio takes 3.1
> > minutes to compress)
>
> Am using a Pentium 166, tohoguh, for the WinNT machine, so would expect to
> get substantially worst timings then my PII-266 FreeBSD box...no?
>
MP3 is almost exclusively compute bound on quite about anything given
reasonable software. If software x is available on both and it is slower
on one system someone forgot to turn optimisation on.
Or the software isn't identical.
Sander
There is no love, no good, no happiness and no future -
all these are just illusions.
> Marc G. Fournier
> Systems Administrator @ hub.org
> primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org
>
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