| #!/usr/bin/python |
| |
| import sys |
| import math |
| import multiprocessing |
| import subprocess |
| |
| if len(sys.argv) != 2: |
| print("supply the path to the doctest executable as the first argument!") |
| sys.exit(0) |
| |
| # get the number of tests in the doctest executable |
| result = subprocess.Popen([sys.argv[1], "-count"], stdout = subprocess.PIPE).communicate()[0] |
| num_tests = int(result.rsplit(' ', 1)[-1]) |
| |
| # calculate the ranges |
| cores = multiprocessing.cpu_count() |
| l = range(num_tests + 1) |
| n = int(math.ceil(float(len( l )) / cores)) |
| data = [l[i : i + n] for i in range(1, len( l ), n)] |
| data = tuple([[x[0], x[-1]] for x in data]) |
| |
| # for 8 cores and 100 tests the ranges will look like this |
| # ([1, 13], [14, 26], [27, 39], [40, 52], [53, 65], [66, 78], [79, 91], [92, 100]) |
| |
| # the worker callback that runs the executable for the given range of tests |
| def worker((first, last)): |
| subprocess.Popen([sys.argv[1], "-first=%s -last=%s" % (first, last)]) |
| |
| # run the tasks on a pool |
| if __name__ == '__main__': |
| p = multiprocessing.Pool(cores) |
| p.map(worker, data) |