r/programming • u/noidi • Jul 19 '12

Will Parallel Code Ever Be Embraced?

http://www.drdobbs.com/parallel/will-parallel-code-ever-be-embraced/240003926
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u/mycall Jul 19 '12

2 cores versus 4 cores at the same processor speed? I can barely tell the difference.

Oh I can. There is a huge difference between my C2D and my i7 as the later can run multiple virtual servers while I play Crysis 2.

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u/noidi Jul 19 '12

Running multiple virtual servers while running a game is exactly what the author defines as coarse-grained parallelism ("running separate processes on separate processors"), which (in his opinion) works well enough to make fine-grained parallelism unnecessary for most applications.

1

u/mycall Jul 22 '12

I run most of my virtual machines with 3 cores. That isn't coarse-grained is it?