Fix cluster loss on ClusterFinderMT shutdown

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collect() cached queue emptiness across sweeps, so a worker's last
write could land after the final sweep but before shutdown was
observed, stranding that frame's clusters. Read the stop flags before
sweeping instead: once workers are joined, a sweep that moves nothing
proves the queues are drained.

Found via ClusterFinderCUDA.ipynb's drift plot, which jumped by one
frame's worth of clusters at the very end.

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kferjaoui committed 2026-09-03 17:26:47 +02:00

1 parent 7870ccfc32

commit f4bbbc9c76

2 files changed

+612 -591

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