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perf: faster relabeling for several variants including SAUF#43

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william-silversmith wants to merge 19 commits into
prittt:masterfrom
seung-lab:wms_faster_relabel
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perf: faster relabeling for several variants including SAUF#43
william-silversmith wants to merge 19 commits into
prittt:masterfrom
seung-lab:wms_faster_relabel

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@william-silversmith

@william-silversmith william-silversmith commented Jun 22, 2026

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Hi YACCLAB maintainers!

I was running some experiments on YACCLAB and noticed in profiling that relabeling was contributing more time than I expected for variants that work one-pixel/voxel at a time. It's not a huge amount of time, but it is a constant tax against these variants that makes them look worse than they are and in-between them, softens the contribution of a faster first-pass.

I also fixed some compiler warnings.

I re-ran the 8-connected benchmark to demonstrate that there is a material speedup on these variants. The chip was a Macbook Pro M3. I did run them simultaneously, but I think that should be ok on this machine.

I've attached the results of my runs.

Here are some samples though:

Before

image

After

image

I hope you find this a useful contribution.

Sincerely,
Will Silversmith

faster_relabel.zip

master.zip

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