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Multi-core curiosities

J

Job

Senior member
ok so we're moving to quad-core soon - my question (more of a wondering really) is instead of delegating particular tasks to particular cores, would it be better/faster to split the processing task in to 4 parts and have each core do 1/4 of the work? Knowing nothing about how CPUs actually work, I figured I'd ask some ppl who know what they're talking about - this is especially interesting following Intels demonstration of a CPU with 80 separate cores

http://news.com.com/Intel+shows+off+80-core+processor/2100-1006_3-6158181.html
 
well, the problem with splitting tasks is that after calculations, each core would still have to communicate and other stuff (i don't feel like going into it. it has been a long day)
and if you split the work, errors can pop up.
Let's just leave it at the fact that it's a bad idea.
 
You could only split the task between cores if the application is coded to do so. Otherwise there's no good way (yet) to take a single-threaded task and make it multi-threaded.
 
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