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diff --git a/timings/hundred/SConstruct b/timings/hundred/SConstruct
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+#
+# __COPYRIGHT__
+#
+# 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 AUTHORS OR 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.
+#
+
+"""
+This configuration is for timing how we handle the NxM interaction when
+we build a lot of targets from a lot of source files.
+
+We create a list of 100 target files that will each be built by copying
+a file from a corresponding list of 100 source files.  The source
+files themselves are each built by a Python function action that's the
+equivalent of "echo contents > $TARGET".
+"""
+
+target_cnt = 100
+
+env = Environment()
+
+def create_file( env, target, source ):
+    t = str(target[0])
+    open( t, 'w' ).write('contents\n')
+
+source_list = map(lambda t: 'source_%03d' % t, xrange(target_cnt))
+target_list = map(lambda t: 'target_%03d' % t, xrange(target_cnt))
+
+for source in source_list:
+    env.Command( source, [], create_file )
+
+def copy_files( env, target, source ):
+    for t, s in zip(target, source):
+        open(str(t),  'w').write(open(str(s), 'r').read())
+
+env.Command( target_list, source_list, copy_files )