Author: eudoxos Date: 2009-03-09 00:03:42 +0100 (Mon, 09 Mar 2009) New Revision: 1714
Added: trunk/examples/collider-perf/mkGraph.py Modified: trunk/examples/collider-perf/README trunk/examples/collider-perf/perf.table Log: 1. Fixed collider performance benchmark 2. Added script to generate graph from log files (like http://yade.wikia.com/wiki/Colliders_performace) Modified: trunk/examples/collider-perf/README =================================================================== --- trunk/examples/collider-perf/README 2009-03-08 21:15:35 UTC (rev 1713) +++ trunk/examples/collider-perf/README 2009-03-08 23:03:42 UTC (rev 1714) @@ -5,10 +5,13 @@ yade-trunk-multi perf.table perf.py -and wait. If you feel brave enough, uncomment lines with many spheres in perf.table. -They take very long time (128k spheres with SAP collider over 3 hours) +It will take time to finish. To get graphs from the generated log files, say + python mkGraph.py *.log +To see other results, log files are named like perf.64k.log (64k spheres with +PersistentSAPCollider), perf.32k.q.log (32k spheres, SpatialQuickSortCollider) etc. + 1. File with nSpheres spheres (loose packing) is generated first, it if doesn't exist yet. This can take a few minutes, but is done only the first time for the particular sphere number. @@ -16,6 +19,3 @@ done and timing.stats() printed (appears in the log file). 3. Another 100 iterations are measured with siming.stats(), after which the test exits. -To get the results, grep the resulting log files, named like perf.64k.log (64k spheres with -PersistentSAPCollider), perf.32k.q.log (32k spheres, SpatialQuickSortCollider) etc. - Added: trunk/examples/collider-perf/mkGraph.py =================================================================== --- trunk/examples/collider-perf/mkGraph.py 2009-03-08 21:15:35 UTC (rev 1713) +++ trunk/examples/collider-perf/mkGraph.py 2009-03-08 23:03:42 UTC (rev 1714) @@ -0,0 +1,35 @@ +#encoding: utf-8 +dta={'QS':{},'SAP':{}} +import sys +for f in sys.argv[1:]: + print f,'', + N=f.split('.')[1]; + assert(N[-1]=='k'); N=1000*int(N[:-1]) + if '.q.' in f: collider='QS' + else: collider='SAP' + for l in open(f): + if 'Collider' in l: + t=l.split()[2]; assert(t[-2:]=='us'); t=float(t[:-2])/1e6 + if not dta[collider].has_key(N): dta[collider][N]=[t] + else: dta[collider][N]+=[t*0.01] # the second time is per 100 iterations +print + +SAP_N=dta['SAP'].keys(); SAP_N.sort() +QS_N=dta['QS'].keys(); QS_N.sort() +SAPinit=[dta['SAP'][N][0] for N in SAP_N]; SAPstep=[dta['SAP'][N][1] for N in SAP_N] +QSinit=[dta['QS'][N][0] for N in QS_N]; QSstep=[dta['QS'][N][1] for N in QS_N] +from pylab import * +plot(SAP_N,SAPinit,'m') +gca().set_yscale('log') +xlabel("Number of spheres") +ylabel(u"Log (!) time for the 1st SAP collider step [s]") +title("SAP vs. QuickSort colliders performance") +legend(('SAP init',),'upper left') + +ax2=twinx() +plot(SAP_N,SAPstep,'r-',QS_N,QSstep,'g-',QS_N,QSinit,'b-') +ylabel(u"Linear time per 1 step [s]") +legend(('SAP step','QuickSort step','QuickSort init'),'right') +grid() +savefig('colliders.svg') +show() Modified: trunk/examples/collider-perf/perf.table =================================================================== --- trunk/examples/collider-perf/perf.table 2009-03-08 21:15:35 UTC (rev 1713) +++ trunk/examples/collider-perf/perf.table 2009-03-08 23:03:42 UTC (rev 1714) @@ -1,10 +1,10 @@ description nSpheres collider -#128k 128000 'PersistentSAPCollider' -#96k 96000 'PersistentSAPCollider' -#64k 64000 'PersistentSAPCollider' -#56k 56000 'PersistentSAPCollider' -#48k 48000 'PersistentSAPCollider' -#40k 40000 'PersistentSAPCollider' +128k 128000 'PersistentSAPCollider' +96k 96000 'PersistentSAPCollider' +64k 64000 'PersistentSAPCollider' +56k 56000 'PersistentSAPCollider' +48k 48000 'PersistentSAPCollider' +40k 40000 'PersistentSAPCollider' 36k 36000 'PersistentSAPCollider' 32k 32000 'PersistentSAPCollider' 28k 28000 'PersistentSAPCollider' _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp
