# # __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 $TARGET_COUNT target files that will each be built by copying a file from a corresponding list of $TARGET_COUNT source files. The source files themselves are each built by a Python function action that's the equivalent of "echo contents > $TARGET". """ import TestSCons # Full-build time of just under 10 seconds on ubuntu-timings slave, # as determined by bin/calibrate.py on 9 December 2009: # # run 1: 3.124: TARGET_COUNT=50 # run 2: 11.936: TARGET_COUNT=160 # run 3: 9.175: TARGET_COUNT=134 # run 4: 10.489: TARGET_COUNT=146 # run 5: 9.798: TARGET_COUNT=139 # run 6: 9.695: TARGET_COUNT=139 # run 7: 9.670: TARGET_COUNT=139 test = TestSCons.TimeSCons(variables={'TARGET_COUNT':139}) for t in range(test.variables['TARGET_COUNT']): with open('source_%04d' % t, 'w') as f: f.write('contents\n') test.main() test.pass_test()