[PD] 64 bits of a/v pleasure?
cgc at humboldtblvd.com
cgc at humboldtblvd.com
Wed Dec 24 17:58:58 CET 2003
Quoting thewade <pdman at aproximation.org>:
> hello,
> Sorry if this has been asked before.
> Are there plans to write an optomized version of PD for the new 64 bit
> desktops/laptops? (G5/AMD 64 FX)
What's the reason to go 64 bit with Pd? Do you need more than 4GB per
process? Otherwise the 64 bit version of Pd would most likely be a bit slower
than the 32 bit due to the additional overhead of 64 bit pointers (it's minor
but still there).
Also, neither the PPC 970 or AMD FX are available for laptops and probably
won't be for quite some time.
> The scoop at tomshardware maked amd look really good, in 64 bit mode,
> and I know there are writeins for linux 2.6 on AMD 64FX...
Really? It made Quake faster? ;)
Toms and anandtech usually have a pretty limited selection of mostly synthetic
bemchmarks that have little to no relvance to Pd and real-time audio and video.
> Any thoughs, as I have had a hard time getting video processing and
> audio synthsis running in realtime on the same laptop (or at all with
> some packages that use libquicktime and ffmpeg, \'cause thoes two
> fight)? This could be the answer.
64 bit won't help you there at all - having libs that are decently coded will
though. However, I have been compiling GEM for the G5 since September, and
have tested the changes on occasion. Nothing about the 64 bit nature of this
chip helps the performance, but the massive bandwidth really makes the Altivec
and GL fly.
cgc
> thanks,
> -thewade
>
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