@bz_moz firefox nightly is crashing on this demo https://measuredweighed.github.io/mapboxgl-js-mem-usage/arraybuffer-test.html … I think this is the related issuehttps://bugzilla.mozilla.org/show_bug.cgi?id=1407691#c23 …
Looking into this. I don't get a crash (on Mac), but I do see some significant memory usage that needs analyzing. Just to make sure we're on the same page, this demo is transferring ~100MB of array buffers per worker every 20ms, from 4 workers at the same time, right?
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It's a synthetic test trying to reproduce a crash on iOS safari which has been unresolved for quite a while
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Right, I understand it's synthetic. I'm trying to make sure I'm not mis-analyzing the amount of data it's allocating/entraining. In particular, I am seeing Firefox retain ~1.7GB of ArrayBuffer stuff after I click "stop" and ensure GC has run, and I would expect ~100MB, right?
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