René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"test_math.test_sumprod_stress() takes 5 minutes on debug build","articleBody":"On the \" PPC64LE Fedora Stable Clang 3.x\" with Python build by \"/configure CC=clang LD=clang --with-pydebug\", test_math takes 7 min 39 sec:\r\n\r\n```\r\nmake buildbottest 'TESTOPTS=-j2 --junit-xml test-results.xml -j10 --fail-rerun ${BUILDBOT_TESTOPTS}' TESTPYTHONOPTS= TESTTIMEOUT=1200\r\n== CPython 3.13.0a0 (heads/main:269005e784, Oct 3 2023, 23:52:56) [Clang 16.0.6 (Fedora 16.0.6-3.fc38)]\r\n== Linux-5.8.17-200.fc32.ppc64le-ppc64le-with-glibc2.37 little-endian\r\n== Python build: debug\r\n== cwd: /home/buildbot/buildarea/3.x.cstratak-fedora-stable-ppc64le.clang/build/build/test_python_worker_2081694æ\r\n== CPU count: 8\r\n== encodings: locale=UTF-8, FS=utf-8\r\n== resources (10): audio, cpu, curses, decimal, gui, largefile, network, subprocess, urlfetch, walltime\r\n\r\n(...)\r\n10 slowest tests:\r\n- test_math: 7 min 39 sec\r\n- test.test_multiprocessing_spawn.test_processes: 2 min 49 sec\r\n- test_pathlib: 2 min 36 sec\r\n- test_unparse: 2 min 30 sec\r\n- test_tokenize: 2 min 29 sec\r\n- test.test_multiprocessing_forkserver.test_processes: 2 min 22 sec\r\n- test_capi: 1 min 52 sec\r\n- test_cppext: 1 min 42 sec\r\n- test_unicodedata: 1 min 39 sec\r\n- test_tarfile: 1 min 33 sec\r\n```\r\n\r\nCan we split test_math into a test package made of multiple tests to run them in parallel?\r\n\r\nShould we remove/skip some slow tests? Buildbot uses ``--slow-ci`` which enables ``-u all`` resources.","author":{"url":"https://github.com/vstinner","@type":"Person","name":"vstinner"},"datePublished":"2023-10-04T06:55:52.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/110327/cpython/issues/110327"}