Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!ames!amelia!hobbes!toby From: toby@hobbes.nas.nasa.gov (Toby E. Harness) Newsgroups: comp.sys.super Subject: Re: What's a super? Message-ID: <6531@amelia.nas.nasa.gov> Date: 5 Jun 90 01:16:23 GMT References: <10305@batcomputer.tn.cornell.edu> <395@garth.UUCP> <102750@convex.convex.com> Sender: news@amelia.nas.nasa.gov Organization: NASA Ames Research Center, Moffett Field, CA Lines: 48 In article <102750@convex.convex.com> Ed Hamrick writes: >I'm sure that many of you are familiar with large Cray sites with hundreds >of users with an average job turn-around time (for 1-hour jobs) of a week. > .... >Of course, for any broad generalization there exist specific counterexamples. >However, I challenge those readers of this newsgroup from the National >Supercomputer Centers et. al. (e.g. NASA Ames NAS) to post computer >utilization statistics such as median job turnaround time (by job run >time), number of jobs (by job run time) and other similar data. I've >noticed that many of you seem to have plenty of spare time (still waiting >for your jobs to run? ;-). the following command was run on the NAS YMP-8/128 (reynolds); the data is for the previous 7 days. this may or may not have been a typical "week". only jobs that spent longer than 1 second waiting in a queue are counted. % qavg 1w QUEUE N MEAN MEDIAN MAX q4M_1h 164 02:23:09 01:32:41 10:14:48 q4M_4h 71 03:15:50 02:25:13 15:00:46 q10M_20m 1277 00:06:25 00:00:02 08:57:30 q10M_1h 154 01:17:21 00:03:53 08:56:10 q10M_4h 67 05:48:45 01:31:22 32:49:49 q16M_20m 73 00:22:01 00:00:02 08:21:52 q16M_1h 60 02:01:43 00:30:02 13:16:17 q16M_4h 50 05:40:59 04:20:14 17:08:15 q32M_20m 15 06:20:27 03:44:31 24:00:26 q32M_1h 23 09:37:34 11:35:17 15:53:11 q32M_4h 11 09:14:52 09:12:48 32:17:20 q64M_20m 5 04:06:29 04:51:00 07:58:34 q64M_1h 7 06:22:25 06:58:02 16:40:20 q64M_4h 7 11:47:17 12:30:39 22:00:28 [the leading 'q' means it's a production NQS queue (i've removed the others) the first number is the memory size, in megawords the second is the time limit the times are in hour:minute:second format] toby harness toby@nas.nasa.gov "not a cute sign-off" -- Toby Harness General Electric Corporation (415) 694-4626 NASA Ames Research Center toby@Ames-NAS.ARPA Mail Stop 258-6 ...!ames!amelia!toby Moffet Field, CA 94035