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comp.lang.c++

Re: Using a multicore-processor

Obnoxious User

8/29/2008 8:56:00 AM

On Fri, 29 Aug 2008 11:07:36 +0200, Peter Graf wrote:

> Hi,
>
> I want to use to quadcore processor to calculate a matrix with a
> C++-program. The elapsed time for calculating one entry is very variably
> (approx. 1-30 min) and I'm not able to estimate the time before the
> calculation.Therefore simply splitting the matrix in four blocks and
> calculated each on one core will not use efficiently the processor.
> Hence my question, is there is a (simple) way to modify a program, which
> use now only one core in a way that it will be able to use all four
> cores, so that the entries will be calculated one after another.
>

http://en.wikipedia.org/wiki/Parallel_p...

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OU