Hopper Featured Announcements
January 11, 2012 by Helen He | 0 Comments
1) There will be a scheduled hardware and software maintenance for Hopper next Wednesday, January 18, from 7 am to 10 pm Pacific time. This is a major OS upgrade. Users are recommended to recompile your applications after the maintenance. Please plan your work accordingly and check the NERSC Message of the Day (MOTD) for status update: http://www.nersc.gov/live-status/motd/.
2) After the maintenance, the following software versions will be set to default on Hopper:
-- xt-mpich2/5.4.0, xt-shmem/5.4.0
-- petsc/3.1.09, petsc-complex/3.1.09
The availability of the above software versions was announced on Dec 6.
If there are any questions or comments, please contact "consult at nersc dot gov".
January 4, 2012 by Helen He | 0 Comments
The max wall time for Hopper jobs using up to 682 nodes (16,368 cores, corresponds to the "reg_small" queue) has been increased from 36 hrs to 48 hrs. Notice that jobs should still be submitted to the "regular" queue.
November 7, 2011 by Francesca Verdier | 0 Comments
There is a new queue, called scavenger, available on Hopper and Franklin to users with a zero or negative balance in one of their repositories. This applies to both total repository balances as well as per-user balances. The queue is not available for jobs submitted against a repository with a positive balance. The charging rate for this queue is 0 and the priority on all systems is lower than the “low” queue. The Hopper scavenger queue limits are:
October 4, 2011 by Francesca Verdier | 0 Comments
Effective October 1 NERSC has increased the discount for large Hopper jobs from 25% to 40%. Large jobs are defined to be those using 683 or more nodes. The new queue charge rate for the reg_med, reg_big and reg_xbig queues is now .6 (and has been applied retroactively to Oct 1).
September 14, 2011 by Helen He | 0 Comments
Hopper will have a scheduled maintenance on next Wed, September 21, from 8am to 4pm Pacific time. A long list of new software versions are now available (as non-default) on Hopper. Details can be found in this announcement.