[MPlayer-dev-eng] Re: bsd vs. linux - encoding benchmarking

[Andriy N. Gritsenko]

    Hi, Arpi!

Sometime (on Sunday, October 19 at 18:33) I've received something...
>Hi,

>http://www.bsdnewsletter.com/2003/10/Features110.html

>this is a very interesting article.
>our old bsd friend, Steven M. Schultz made a benchmark testing on varions
>bsd systems and linux, doing the same dv->mp4 transcoding using various
>tools including mencoder.

>the only thing i don't understand: how can it be so much faster on linux,
>than on *bsd ? as the most time consuming part of the encoding is done by
>the decoder and encoder, and just a little part (file io) depend on OS.
>my guess is that some optimization was disabled on *bsd, maybe SSE and such.
>also, the above article doesnt include the actual command lines used for
>transcoding, so its not clear if ffdv or qdv or libdv was used for actual
>decoding.

I must agree with that. Encoding on my Linux box (Intel celeron 450MHz)
is a little faster than on FreeBSD 4.8 (Intel celeron 800MHz). I wonder
why and I don't understand it. Just a fact.

    With best wishes.
    Andriy.