[R] parallel processing in r...

[Christofer Bogaso]

Hi,

On ' how to use "top" inside the R prompt? '
you can use system('top') command.

Thanks,

On Sun, Jul 1, 2018 at 9:53 PM Benoit Vaillant <benoit.vaillant using no-log.org>
wrote:

> Hello,
>
> On Sun, Jul 01, 2018 at 11:31:29AM +0000, akshay kulkarni wrote:
> > I tried "top" at the bash prompt, but it provides a way to measure
> > CPU performance of the existing processes. I want to check the CPU
> > usage of the execution of an R function.
>
> Try to open two bash prompts, in one use R and in the other use top to
> monitor what is going on.
>
> > and at the R prompt I type the function to be executed. But if I
> > type "top" at the R prompt, it says object "top" not found.
>
> top is a shell command, no issue with R not knowing about this.
>
> > So, should I change to bash prompt after running the R function? If
> > yes, how do I do it? If not, how to use "top" inside the R prompt?
>
> Basically, you can't.
>
> > Again, I think this is an OS isuue....but I could'nt find any answer
> > in the Internet. I am an independent researcher and I don't have
> > personal access to experts.......this mail list is the only vent I
> > have.......
>
> ... (many more dots) Do you think we are experts on your system?
>
> Please do your home work and get back to us once it's done. ;-)
>
> Cheers,
>
> --
> Benoît
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