Benchmarking stuff updated to test with a more realistic dataset (the…

… PuTTY

manual).


git-svn-id: svn+userv://snowball.tartarus.org/snowball/trunk/pystemmer@372 633ccae0-01f4-0310-8c99-d3591da6f01f

LICENSE

@@ -57,3 +57,40 @@ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+License for sample data files
+=============================
+
+There are two files in the "sampledata/" subdirectory, used for benchmarking.
+The first of these, "englishvoc.txt", is the english vocabulary list from
+snowball, and is covered by the same license as snowball itself (ie, the BSD
+license, see above).
+
+The second of these files, "puttydoc.txt", is the text form of the manual for
+the "PuTTY" piece of software, which is covered by the following license.
+
+PuTTY is copyright 1997-2006 Simon Tatham.
+
+Portions copyright Robert de Bath, Joris van Rantwijk, Delian
+Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry,
+Justin Bradford, Ben Harris, Malcolm Smith, Ahmad Khalifa, Markus
+Kuhn, and CORE SDI S.A.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software,
+and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

benchmark.py

@@ -1,16 +1,26 @@
 #!/usr/bin/env python
 
+# This script runs a simple benchmark of the python stemmer interface.
+
 import timeit
 
-for cache_size in (0, 1, 10000, 30000):
-    setup = r"""
+datafiles = ('sampledata/englishvoc.txt', 'sampledata/puttydoc.txt',)
+words_lst = [None]
+
+for datafile in datafiles:
+    words = []
+    for line in open(datafile):
+        words.extend(line.split())
+    for cache_size in (0, 1, 10000, 30000):
+        setup = r"""
 import Stemmer
 stemmer = Stemmer.Stemmer('en', %d)
-fd = open('../data/english/voc.txt')
-words = fd.readlines()
-""" % cache_size
-    t = timeit.Timer(setup=setup,
-                     stmt='stemmer.stemWords(words)')
-    for iters in (1, 2, 3, 10):
-        times = [time / iters for time in t.repeat(5, iters)]
-        print "cacheSize=%d,iters=%d,time=%f" % (cache_size, iters, min(times))
+words = []
+for line in open('%s'):
+    words.extend(line.split())
+""" % (cache_size, datafile)
+        t = timeit.Timer(setup=setup,
+                         stmt='stemmer.stemWords(words)')
+        for iters in (1, 2, 3, 10):
+            times = [time / iters for time in t.repeat(5, iters)]
+            print "'%s':words=%d,cacheSize=%d,iters=%d,mintime=%f" % (datafile, len(words), cache_size, iters, min(times))