[SciPy-dev] Linalg2 benchmarks
Jochen Küpper
jochen at jochen-kuepper.de
Fri Apr 5 00:50:00 EST 2002
One more. Thsi is a AMD Duron 800 MHz, 128 MB.
RedHat 7.1 + gcc-3.0.4 20020120 (prerelease).
This time I am not sure what compiler was used for ATLAS, probably a
"bad" one. Also this is an older ATLAS.
,----
| Python 2.2.1c1 (#1, Mar 20 2002, 22:13:20)
| [GCC 3.0.4 20020120 (prerelease)] on linux2
| Type "help", "copyright", "credits" or "license" for more information.
| >>> import scipy
| >>> import scipy.linalg2
| exceptions.ImportError: /usr/local/lib/python2.2/site-packages/scipy/linalg2/clapack2.so: undefined symbol: clapack_sgetri
| >>> scipy.linalg2.basic.test()
| ................................
| Finding matrix determinant
| ==================================
| | contiguous | non-contiguous
| ----------------------------------------------
| size | scipy | Numeric | scipy | Numeric
| 20 | 0.77 | 1.61 | 0.75 | 1.81 (secs for 2000 calls)
| 100 | 1.63 | 3.25 | 1.63 | 4.33 (secs for 300 calls)
| 500 | 2.49 | 2.39 | 1.88 | 2.82 (secs for 4 calls)
| .
| Solving system of linear equations
| ==================================
| | contiguous | non-contiguous
| ----------------------------------------------
| size | scipy | Numeric | scipy | Numeric
| 20 | 1.07 | 1.39 | 1.12 | 1.61 (secs for 2000 calls)
| 100 | 1.72 | 2.48 | 1.71 | 3.89 (secs for 300 calls)
| 500 | 2.06 | 2.22 | 1.96 | 2.60 (secs for 4 calls)
| .
| Finding matrix inverse
| ==================================
| | contiguous | non-contiguous
| ----------------------------------------------
| size | scipy | Numeric | scipy | Numeric
| 20 | 1.71 | 2.58 | 1.81 | 2.75 (secs for 2000 calls)
| 100 | 4.74 | 7.09 | 4.78 | 7.99 (secs for 300 calls)
| 500 | 5.44 | 7.24 | 5.57 | 7.55 (secs for 4 calls)
| .
| ----------------------------------------------------------------------
| Ran 35 tests in 109.383s
|
| OK
| >>>
`----
Greetings,
Jochen
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