[linux-audio-dev] Performance problems caused by dlopen()

Steve Harris S.W.Harris at ecs.soton.ac.uk
Sat Oct 5 13:41:00 UTC 2002


On Sat, Oct 05, 2002 at 12:19:04 +0200, Anders Torger wrote:
> Uhh... it seems to be totally unrelated to anything... just some 
> spurious cache problem, sometimes, if the code is executed in a 
> particular order, the memory layout is beneficial, sometimes it is not. 
> dlopen seems to have nothing to do with it. I just have to live with 
> it...

Yeah, I've seen this. If you look around on the web there is some code for
cache aligning in x86's - I've never tried it though.

In the last plugin I was writing I got a huge perfomance increase by
increasing the size of a ringbuffer, of course that was only in one host.

- Steve



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