Re: Problem with thousands of small jobs.

[xmoon 2000]

I am running this in cygwin. I call parallel from the standard
window/shell supplied by cygwin.

What makes you think it is bash? (You may well be right)

On 6 February 2015 at 14:43, Felipe Alvarez <felipe.alvarez@gmail.com> wrote:
> Is there a"lighter" shell that you can use other than bash?
>
>
> On Fri, 6 Feb 2015 23:20 xmoon 2000 <xmoon2000@googlemail.com> wrote:
>>
>> Hi,
>>
>> I need to run about 4,000 jobs that each take around 20 seconds to
>> complete
>>
>> using:
>>
>>  cat /tmp/parList | parallel -j 28 --eta;
>>
>> On my 32 core machine works OK,   BUT there is a "lull" in processing
>> every few seconds as new jobs are started, once the current crop have
>> completed. I assume this is due to an overhead in starting jobs that
>> is only noticable because my jobs are so short.
>>
>> Is there any way I could make this more efficient, so my cores are
>> fully utilised and getting through the whole process is faster?
>>
>> Moon
>>
>