[SDL] SDL sound under Mac OS X and Linux

[Neil Bradley]

> > Remember that RAM on the video card still require the standard PCI
> > bus arbitration (yes, this is true for AGP as well) which is a minimum of
> > 5 clocks to get on and off the PCI bus - even for a single 32 bit
> > transaction.
> >
> > Writes to main system memory do not have this problem, and thusly much
> > much faster. Don't believe me? Write code that writes to a video card
> > surface and main system memory. Guess which one is faster. ;-)
>
> Who said anything about system memory being faster than video memory?
> Im just saying writing to video memory isnt slow.

Considering that the context of the original message was an in-memory
surface vs. a video memory surface, by comparison video memory is MUCH
slower to write to that main system memory.

-->Neil

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Neil Bradley            In the land of the blind, the one eyed man is not
Synthcom Systems, Inc.  king - he's a prisoner.
ICQ #29402898