<div dir="ltr"><div>Hi, </div>The answer is in your email, disable the visualization, it is several thousands times slower with visualization. Cheers, Simon </div><div class="gmail_extra"> <div class="gmail_quote"> On Tue, Mar 4, 2014 at 3:13 PM, Stathis Kamperis <<a href="mailto:ekamperi@gmail.com" target="_blank">ekamperi@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I didn't know that linux has pstack, so here is sampled stack trace when Gate gets lazy: (I will try to disable the graphics output) % pstack `pgrep Gate` #0 0x0000003b414eb7e0 in __poll_nocancel () from /lib64/libc.so.6 #1 0x0000003b44c09f42 in _xcb_conn_wait () from /lib64/libxcb.so.1 #2 0x0000003b44c0b37f in wait_for_reply () from /lib64/libxcb.so.1 #3 0x0000003b44c0b492 in xcb_wait_for_reply () from /lib64/libxcb.so.1 #4 0x0000003b45041b47 in _XReply () from /lib64/libX11.so.6 #5 0x000000387c641373 in DRI2GetBuffersWithFormat () from /lib64/libGL.so.1 #6 0x000000387c63ee6b in dri2GetBuffersWithFormat () from /lib64/libGL.so.1 #7 0x00007f84287e3ebd in intel_update_renderbuffers () from /usr/lib64/dri/i965_dri.so #8 0x00007f84287e41c3 in intel_prepare_render () from /usr/lib64/dri/i965_dri.so #9 0x00007f84287f72c7 in brw_clear () from /usr/lib64/dri/i965_dri.so #10 0x00007f84327a5423 in G4OpenGLViewer::ClearView() () from /usr/local/lib64/libG4OpenGL.so #11 0x00007f84327bbb50 in G4OpenGLStoredXViewer::ShowView() () from /usr/local/lib64/libG4OpenGL.so #12 0x00007f843233570a in G4VisManager::EndOfEvent() () from /usr/local/lib64/libG4vis_management.so #13 0x00007f843234107d in G4VisStateDependent::Notify(G4ApplicationState) () from /usr/local/lib64/libG4vis_management.so #14 0x00007f842dad38e1 in G4StateManager::SetNewState(G4ApplicationState, char const*) () from /usr/local/lib64/libG4global.so #15 0x00007f8430c992c6 in G4EventManager::DoProcessing(G4Event*) () from /usr/local/lib64/libG4event.so #16 0x00007f8430f0025a in G4RunManager::DoEventLoop(int, char const*, int) () from /usr/local/lib64/libG4run.so #17 0x00007f8430effc2c in G4RunManager::BeamOn(int, char const*, int) () from /usr/local/lib64/libG4run.so #18 0x000000000075e5ce in GateApplicationMgr::StartDAQ() () #19 0x00000000007954a0 in GateApplicationMgrMessenger::SetNewValue(G4UIcommand*, G4String) () #20 0x00007f842dd0a08f in G4UIcommand::DoIt(G4String) () from /usr/local/lib64/libG4intercoms.so <div class="HOEnZb"><div class="h5"> On Tue, Mar 4, 2014 at 4:09 PM, Stathis Kamperis <<a href="mailto:ekamperi@gmail.com">ekamperi@gmail.com</a>> wrote: > Hi people, > > I've noticed that when I run a simulation top(1) says that Gate uses > only a small fraction of my CPU, e.g.: > > 19132 stathis 20 0 370436 60968 32660 S 2.7 0.7 0:07.22 Gate > > (2.7% here). > > Has anyone else seen this ? > > Best regards, > Stathis _______________________________________________ Gate-users mailing list <a href="mailto:Gate-users@lists.opengatecollaboration.org">Gate-users@lists.opengatecollaboration.org</a> <a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" target="_blank">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a> </div></div></blockquote></div> </div>