Re: Cannot specify the number of threads for parsort

[Ole Tange]

On Thu, Feb 9, 2023 at 3:30 PM Mario Roy <marioeroy@gmail.com> wrote:
:
> This is a wish list for allowing one to specify the number of threads via an 
> ENVIRONMENT variable that works consistently using parallel or parsort. 
> Basically, I want to specify the number of threads for parsort regardless of 
> processing files specified via command-line arguments or STDIN.

You can use taskset:

taskset -c 1-5 parallel --number-of-threads

(parsort uses parallel --number-of-threads).

For parallel you might also use PARALLEL=-j5

Can you explain why you need this? To me it seems odd not to use all
the cores you paid for.


/Ole