[GRASS-dev] Re: [GRASS GIS] #567: v.kernel: suspected i/o bottleneck

GRASS GIS trac at osgeo.org
Tue Apr 21 20:20:27 EDT 2009


#567: v.kernel: suspected i/o bottleneck
--------------------------+-------------------------------------------------
  Reporter:  dylan        |       Owner:  grass-dev at lists.osgeo.org
      Type:  enhancement  |      Status:  new                      
  Priority:  normal       |   Milestone:  6.5.0                    
 Component:  default      |     Version:  svn-develbranch6         
Resolution:               |    Keywords:  v.kernel                 
  Platform:  Linux        |         Cpu:  x86-32                   
--------------------------+-------------------------------------------------
Comment (by dylan):

 Some data:
 {{{
 std,real,user,sys
 100,1.621,1.516,0.100
 500,1.854,1.612,0.244
 1000,2.680,2.032,0.632
 5000,25.090,12.993,12.085
 8000,61.72,31.078,30.610
 10000,97.877,48.631,49.163
 50000,2640,,
 }}}

 Hmm... the sys times do not seem to dominate, rather they approach that of
 the usr time.

-- 
Ticket URL: <http://trac.osgeo.org/grass/ticket/567#comment:2>
GRASS GIS <http://grass.osgeo.org>


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