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Hopper Featured Announcements

Hopper scheduled maintenance and SW new default versions on Wednesday, Jan 18

January 11, 2012 by Helen He

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:

-- pgi/11.9.0
-- cce/7.4.4
-- intel/12.0.5.220
-- chapel/1.4.0
-- xt-mpich2/5.4.0, xt-shmem/5.4.0
-- perftools/5.2.3
-- papi/4.1.4
-- xt-libsci/11.0.03
-- trilinos/10.6.4.0
-- petsc/3.1.09, petsc-complex/3.1.09
-- tpsl/1.1.01
-- fftw/2.1.5.3

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".

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max wall time for reg_small increased to 48 hrs

January 4, 2012 by Helen He

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.

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New scavenger Queue

November 7, 2011 by Francesca Verdier

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:

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large Hopper jobs now discounted 40 percent

October 4, 2011 by Francesca Verdier

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).

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Hopper scheduled maintenance and new software available

September 14, 2011 by Helen He

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.

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