Parallel processing with xargs simple example

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rasim@IT-rasim:~$ time (seq 1 10 | xargs -n 1 -P 10 sleep)

real 0m10.008s
user 0m0.007s
sys 0m0.011s
rasim@IT-rasim:~$ time (seq 1 10 | xargs -n 1 -P 5 sleep)

real 0m15.009s
user 0m0.010s
sys 0m0.016s
rasim@IT-rasim:~$ time (seq 1 10 | xargs sleep)

real 0m55.005s
user 0m0.003s
sys 0m0.004s

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