[GRASS-SVN] r50141 - in grass/trunk/vector/v.surf.bspline: . test_suite

[svn_grass at osgeo.org]

Author: hamish
Date: 2012-01-11 18:52:57 -0800 (Wed, 11 Jan 2012)
New Revision: 50141

Added:
   grass/trunk/vector/v.surf.bspline/test_suite/
   grass/trunk/vector/v.surf.bspline/test_suite/profile_cmd.sh
Log:
basic collection of profile and md5sum notes. expect for formalize script and result files later

Added: grass/trunk/vector/v.surf.bspline/test_suite/profile_cmd.sh
===================================================================
--- grass/trunk/vector/v.surf.bspline/test_suite/profile_cmd.sh	                        (rev 0)
+++ grass/trunk/vector/v.surf.bspline/test_suite/profile_cmd.sh	2012-01-12 02:52:57 UTC (rev 50141)
@@ -0,0 +1,60 @@
+# nc2008/grass7 mapset
+g.region n=221230 s=220404 w=638634 e=639530 res=2
+CMD="v.surf.bspline in=lidar_test raster=elev.lidar_test_cubic method=bicubic -z --o"
+valgrind --tool=callgrind --trace-children=yes $CMD
+
+kcachegrind callgrind.out.1196
+
+99% of time is spent in gmath lib's G_math_cholesky_sband_decomposition()
+
+
+time $CMD
+=========
+
+base serial:
+real    2m58.174s
+user    2m57.759s
+sys     0m0.428s
+--
+real    2m58.215s
+user    2m57.723s
+sys     0m0.508s
+
+
+## with OpenMP x6 cpus:
+real    0m50.322s     3.5x speedup in clock time   (42% efficiency loss)
+user    4m44.006s     1.6x increase in overall CPU time
+sys     0m1.048s
+--nostaic
+real    0m50.792s
+user    4m46.426s
+sys     0m1.248s
+--static again
+real    0m50.168s
+user    4m42.914s
+sys     0m1.180s
+--nostatic again
+real    0m52.104s
+user    4m54.334s
+sys     0m1.244s
+
+(static wins)
+
+
+##OMP_NUM_THREADS=4:
+real    1m30.730s
+user    5m52.274s
+sys     0m0.696s
+
+
+##OMP_NUM_THREADS=2:
+real    1m48.180s     1.6x speedup in clocktime
+user    3m32.477s     1.2x increase in overall CPU time
+sys     0m0.560s
+
+
+##OMP_NUM_THREADS=1:
+real    2m51.480s
+user    2m51.031s
+sys     0m0.464s
+