Thanks Dan! It's definitely a real problem that you identified, I've filed a bug about it here: https://foss.heptapod.net/pypy/pypy/-/issues/3419
Thanks for the report! Carl Friedrich On March 18, 2021 6:32:19 PM GMT+01:00, Dan Stromberg <drsali...@gmail.com> wrote: >Hi folks. > >I've modified my code to use str.startswith instead of re.match. I had >a >one-to-one correspondence between filenames and regexes anyway, so it >doesn't really sacrifice anything. > >This way the original app (music-pipeline) is nice and fast now on >pypy3 >7.3.3. > >I'm leaving the various SSCCE's at >https://stromberg.dnsalias.org/svn/regex-fodder/trunk in case someone >wants >to use them to replicate the problem going forward. They're commented >to >describe what they do and whether they are fast or slow. As Carl said, >the >issue seems to be that pypy3 7.3.3 doesn't like having very many >regular >expressions in the same program - even if only one compiled regex >exists at >any given time (no-longer-needed regexes disposed of with del). > >Thanks again!
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