Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!usenet.ins.cwru.edu!eagle!news From: xxrich@alliant1 (Rich Rinehart) Newsgroups: comp.sys.alliant Subject: Re: etime complex user time variance Message-ID: <1990Jul30.191220.1769@eagle.lerc.nasa.gov> Date: 30 Jul 90 19:12:20 GMT References: <1990Jul26.153317.7801@eagle.lerc.nasa.gov> <11052@odin.corp.sgi.com> Reply-To: xxrich@alliant1.lerc.nasa.gov (Rich Rinehart) Organization: NASA/Lewis Research Center, Cleveland Lines: 18 In article <11052@odin.corp.sgi.com> dereks@aggie.sgi.com (Derek Spears) writes: > > Is your job locked into a CE? If not (as in the case of a program >compiled under pcc), the program could float onto IP's, which run much >slower. This random "floating about" to different type processors could >account for etime differences. good point, but my question was regarding complex work (see subject). I have also noticed much variance (2x ?) in user time on individual ce's (FORTRAN jobs though, which will not run on the ip's). -- ----------------------------------------------------------------------------- Rich Rinehart | phone: 216-433-5211 NASA Lewis Research Center | email: xxrich@alliant1.lerc.nasa.gov -----------------------------------------------------------------------------