<div dir="ltr"><div class="gmail_default" style="font-size:small">Lin,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">It depends on what you are doing with the 30 variables. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">If you have a large do loop with a lot of calculations, copying of arrays, and/or reordering, then it could take a long time. </div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">There are many ways to speed up your code. You may want to look at:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style><a href="https://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclUsage.shtml">https://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclUsage.shtml</a><br></div><div class="gmail_default" style><br></div><div class="gmail_default" style>which has some tips for making your code more efficient. </div><div class="gmail_default" style><br></div><div class="gmail_default" style>--Mary</div><div class="gmail_default" style> </div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Nov 1, 2014 at 7:30 PM, Lin Su <span dir="ltr"><<a href="mailto:Lin.Su@colorado.edu" target="_blank">Lin.Su@colorado.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks a lot Yuqiang for your quick response. It seems all the three ways work well but with about 8 hours bg runs for about 30 variables with about 3000 values. Is it normal to everyone? Thanks again, Lin<br>
________________________________________<br>
From: Yuqiang Zhang [<a href="mailto:yuqiangzhang.thu@gmail.com">yuqiangzhang.thu@gmail.com</a>]<br>
Sent: Friday, October 31, 2014 6:07 PM<br>
To: Lin Su; <a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a><br>
Subject: RE: [ncl-talk] ncl background run<br>
<div class="HOEnZb"><div class="h5"><br>
Hi Lin,<br>
Try ncl test.ncl >& log &<br>
It's still Linux command issue<br>
<br>
<br>
<br>
<br>
Sent from Samsung tablet<br>
<br>
<br>
<br>
-------- Original message --------<br>
>From Lin Su <Lin.Su@Colorado.EDU><br>
Date: 10/31/2014 19:23 (GMT-05:00)<br>
To <a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a><br>
Subject [ncl-talk] ncl background run<br>
<br>
<br>
Dear All,<br>
<br>
Does NCL have the same command for the background run as in unix? I need to do a large data overwrite,<br>
and tried the background run using "ncl test.ncl&" or "ctrl+z" then "bg", but neither one works.<br>
<br>
Thanks a lot,<br>
Lin<br>
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