[geos-devel] Current benchmarks - MD
Norman Vine
nhv at cape.com
Tue Feb 11 21:25:53 EST 2003
Martin Davis writes:
>
> Here's my performance figures... disappointingly slower than
> both Paul (adjusted for 000's) and Yury...
>
> But I'm happy that it compiles and runs! Next up - a bit of a
> code review, and then sign-off.
attached find changes I needed to compile the CVS
< CoordinateList.cpp change was *not* required but ... >
Norman
FWIW
Cygwin compiled gcc 3.2
PentiumIII 733
$ source/bigtest/TestSweepLineSpeed.exe
# overlapping MCs: 406
# segment intersection tests: 226
n Pts: 1000 Executed in 30 ms.
# overlapping MCs: 406
# segment intersection tests: 278
n Pts: 2000 Executed in 60 ms.
# overlapping MCs: 406
# segment intersection tests: 248
n Pts: 4000 Executed in 110 ms.
# overlapping MCs: 406
# segment intersection tests: 250
n Pts: 8000 Executed in 210 ms.
# overlapping MCs: 406
# segment intersection tests: 272
n Pts: 16000 Executed in 401 ms.
# overlapping MCs: 406
# segment intersection tests: 264
n Pts: 32000 Executed in 861 ms.
# overlapping MCs: 406
# segment intersection tests: 236
n Pts: 64000 Executed in 1632 ms.
# overlapping MCs: 406
# segment intersection tests: 264
n Pts: 128000 Executed in 3294 ms.
# overlapping MCs: 406
# segment intersection tests: 238
n Pts: 256000 Executed in 6629 ms.
# overlapping MCs: 406
# segment intersection tests: 232
n Pts: 512000 Executed in 13289 ms.
# overlapping MCs: 406
# segment intersection tests: 232
n Pts: 1024000 Executed in 26518 ms.
Done
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