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[do not merge] Test suite with mimalloc#24539

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[do not merge] Test suite with mimalloc#24539
RReverser wants to merge 2 commits intomainfrom
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@RReverser RReverser commented Jun 10, 2025

I noticed that mimalloc hangs when built into some 3rd-party projects, so want to try and see if any Emscripten tests can help narrow it down by changing the default.

I noticed that mimalloc hangs when building some projects, so want to try and see if any Emscripten tests can help narrow it down by changing the default.
@kleisauke
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FWIW, you might find success using mimalloc v3, see e.g. comment #20936 (reply in thread).

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Perhaps, but in my case I'm not seeing the "ran out of memory" issue mentioned at that link but an actual deadlock somewhere.

@kleisauke
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That doesn't sound good. I've just opened PR #24542 to update mimalloc to v2.2.4, which includes several "important bug fixes" noted in the changelog since v2.1.7.

A changeset for the v3.1.4 release (still in beta) is also available here:
HEAD...kleisauke:mimalloc-update-3.1.4

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kleisauke commented Apr 16, 2026

PR #26696 updates mimalloc to v3.3.0 (latest recommended release).

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