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Re: starting 10 extra processes takes long warning while using only 8 co
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From: |
Ole Tange |
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Subject: |
Re: starting 10 extra processes takes long warning while using only 8 cores |
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Date: |
Fri, 18 Mar 2011 16:17:10 +0100 |
On Thu, Mar 17, 2011 at 6:30 PM, Ozgur Akgun <ozgurakgun@gmail.com> wrote:
> Command I use:
>>
>> parallel -j 8 -N 2 "echo {1} {2}; ./run.sh {1} {2} > /dev/null"
>
> And the warning:
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>> parallel: Warning: Starting 10 extra processes takes > 2 sec.
>>
>> Consider adjusting -j. Press CTRL-C to stop.
This is because your input is being generated slowly. See this example:
seq 1 10 | parallel -j1 "sleep 1; echo {}" | parallel echo
Since you are the 3rd person experiencing this (and being confused by
it), I might have to do so checking for that.
You can safely ignore the warning.
/Ole