Post your code and let us see what you are doing wrong.

How many threads are you starting? With 2 cpus, you are unlikely to see addditional benefits after you have 2 or 3 CPU intensive R instances running.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
RIP PCW It is as I've been saying!(Audio until 20090817)

In reply to Re^3: Using threads to run multiple external processes at the same time by BrowserUk
in thread Using threads to run multiple external processes at the same time by Anonymous Monk

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