Subject: Re: [linux-audio-dev] Re: costs of IPC
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Tue May 15 2001 - 22:38:49 EEST
On Tue, May 15, 2001 at 11:27:57AM -0400, Paul Davis wrote:
...
> internal buffers per component. with this in mind, it seems to me that
> we might have footprints per component in the 20-40kB range, which
> from these graphs looks like about a 5% hit. I've tried to add in some
> vague numbers for "miscellaneous memory accesses", "instruction cache"
> and so forth to get to this range.
Thats all very well, but I suspect that a lot of apps will needa lot more
memory than that, certainly anything doing convolution, or a software
sampler. If a process goes and mallocs a few dozen meg to keep samples in,
what will happen? How does heap size affect context switch time?
- Steve
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