On Tue, Nov 08, 2011 at 06:39:46PM +0000, Paddy Byers <[email protected]>
wrote:
> Thanks for your considered response. I will have a look at your proposal. I
> wanted to avoid the extra thread context-switch but I guess the next step
> is to measure what that impact is, and have a think about the best way
> forward.
You should definitely consider using the MMU also - using separate
processes allows you to use (usually) faster global variables without
having to use pointer indirection (and/or slow tls variables) for every
access, and the MMU in your cpu will do the job at no extra cost: the MMU
overhead is there in any case, but for multi-core systems, you can take
advantage of having more registers available, which is very important on
x86, but also on less register-starved machines such as amd64.
--
The choice of a Deliantra, the free code+content MORPG
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----==-- _ generation
---==---(_)__ __ ____ __ Marc Lehmann
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