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Title: bpo-33735: Fix test_multiprocessing random failure by vstinner · Pull Request #8059 · python/cpython · GitHub

Open Graph Title: bpo-33735: Fix test_multiprocessing random failure by vstinner · Pull Request #8059 · python/cpython

X Title: bpo-33735: Fix test_multiprocessing random failure by vstinner · Pull Request #8059 · python/cpython

Description: When hunting for memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is detected. Modify test_imap_unordered() to be closer to test_imap(): Only test 10 numbers instead of 100: it's a pool of 4 processes, so 10 is enough to test at least one number per process Use chunksize=100 instead of chunksize=53 to mimick test_imap() https://bugs.python.org/issue33735

Open Graph Description: When hunting for memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is...

X Description: When hunting for memory leaks using -R 3:3, test_imap_unordered() of test_multiprocessing leaks randomly a few memory blocks. It is a false alarm: when testing using -R 3:20 for example, no leak is...

Opengraph URL: https://github.com/python/cpython/pull/8059

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8e366e6 bpo-33735: Fix test_multiprocessing random failure vstinner Jul 3, 2018 https://github.com/python/cpython/pull/8059/commits/8e366e6e579445c210a113ff93e240b7e1f644aa
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