On Thu, Mar 03, 2005 at 06:26:44PM +0100, Bengt-Arne Fjellner wrote: >Christopher Faylor skrev: >> On Thu, Mar 03, 2005 at 05:36:00PM +0100, Bengt-Arne Fjellner wrote: >>>With boinc running [EMAIL PROTECTED] at lowest priority ( uses 100% cpu but >>>yields >>> easily) >>>simple pipes takes a long time. >>>Example: from a bash prompt >>>echo hello|grep -v xyz >>>with boinc running and 1.5.13-1 takes about 7 seconds. if i stop boinc >>>it takes parts of a second. after downgrade to 1.5.12-1 with boinc >>>running: parts of a second. >>> >>>i have seen this on two different computers one HT one normal. >>> >>>Single commands are still fast. >> >> Is there some reason why you'd expect us to know what "boinc" is? > >My stupidity i think... >Really its a community infrastructure for networked computing >"Berkeley Open Infrastructure for Network Computing" >http://boinc.berkeley.edu/ > >With currently this subproject running: >[EMAIL PROTECTED] >http://einstein.phys.uwm.edu/ >Dont know if any other subprojects are affected.
If I had to guess, I'd say that boinc is putting itself into a high priority class for some reason and is eating cpu cycles, causing cygwin's pipe reading code to stall. I've made a change to cygwin to put it's pipe reading code into a slightly higher priority class. This change is in the latest snapshot: http://cygwin.com/snapshots/ cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
