Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!virtech!cpcahil From: cpcahil@virtech.UUCP (Conor P. Cahill) Newsgroups: comp.windows.x Subject: Re: X performance drop Message-ID: <1274@virtech.UUCP> Date: 13 Oct 89 03:11:03 GMT References: <1184@krafla.rhi.hi.is> <40200@bu-cs.BU.EDU> Organization: Virtual Technologies Inc Lines: 40 In article <40200@bu-cs.BU.EDU>, madd@bu-cs.BU.EDU (Jim Frost) writes: > In article <1184@krafla.rhi.hi.is> valdi@rhi.hi.is (Thorvaldur Sigurdsson) writes: > If HP-UX is System-V derived (I believe it is), then it's probably the > result of the SysV virtual memory management. While I'm not sure why > it happens, running large programs under sysV for long periods of time > (more than a few hours) shows significant performance lossage. I > would tack it up to inactive page swapping except that it doesn't > improve with use. I'd blame it on priority drops but its behavior > doesn't seem right for that either. > > I've seen this behavior under 386 versions of UNIX, on the SGI's, and > on AT&T equipment using commercial, GNU, and proprietary software (the Not saying you are wrong, but I haven't seen this problem manifest itself on my machine. I am running SysV/386 Rel 3.2 with X11R3 and leave my x server, along with my standard 5 xterms, xclock, xload, etc running for weeks at a time without any noticable performance degradation. ps -ef output after three days shows the following: (date: Thu Oct 12 23:09:30 EDT 1989) cpcahil 191 188 0 Oct 9 vt03 71:04 X :0 cpcahil 198 188 0 Oct 9 ? 0:01 xterm -geometry... cpcahil 214 167 0 Oct 9 console 2:17 xterm -n xterm... cpcahil 215 167 0 Oct 9 console 3:34 xterm -n xterm... cpcahil 216 167 0 Oct 9 console 2:22 xterm -n xterm... cpcahil 217 167 0 Oct 9 console 0:55 xbiff -update 3... cpcahil 218 167 0 Oct 9 console 1:40 xclock -update... cpcahil 219 167 0 Oct 9 console 10:31 xload -update 2... -- +-----------------------------------------------------------------------+ | Conor P. Cahill uunet!virtech!cpcahil 703-430-9247 ! | Virtual Technologies Inc., P. O. Box 876, Sterling, VA 22170 | +-----------------------------------------------------------------------+