Re: Read the number of cpus on Linux

[Francesco Potortì]

>>>If you have GNU coreutils 8.1 or later, you can do
>>>   [err,numprocs] = system("nproc")
>>
>> Isn't this less efficient, systemwise?
>
>Are you planning to check millions of times in a for loop if the
>number of cores in your system has changed?

No, but in general having a function less heavy on the system is a plus,
because you never know how it will be used in the future.

Probably it is not important in this case, because it should be called
at most once per invocation of parcellfun, so the overhead should be
negligible.

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