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Re:Show HN: SAM3-CPU – Run Segment Anything on CPU with memo... by judlaw on Wednesday April 01, 2026 @10:58AM (#47601822)
Hi HN, we built this because running SAM3 on long videos without a GPU was painful due to memory constraints.

The core idea is automatic overlapping chunking based on available RAM, with IoU-based object ID remapping so tracking remains consistent across chunks.

It supports:

- Text/point/box/mask prompts - Video + image inference - Segment-level processing - Built-in profiling

Would love feedback -- especially from people running segmentation workloads on constrained hardware.

Thanks! Prashant & Ankuj

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