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Segment images with SAM 30x faster and 3.5% memory using dilated flash attention with SAM-Lightening

Segment images with SAM 30x faster and 3.5% memory using dilated flash attention with SAM-Lightening


SAM-Lightening: A Lightweight Segment Anything Model with Dilated Flash Attention to Achieve 30 times Acceleration



Segment Anything Model (SAM) has garnered significant attention in segmentation tasks due to their zero-shot generalization ability ... However ... restricted by their low inference speed and high computational memory demands


... introduce SAM-Lightening, a variant of SAM, that features a re-engineered attention mechanism, termed Dilated Flash Attention.


It not only facilitates higher parallelism, enhancing processing efficiency but also retains compatibility with the existing FlashAttention.


... propose a progressive distillation to enable an efficient knowledge transfer from the vanilla SAM without costly training from scratch.


... SAM-Lightening significantly outperforms the state-of-the-art methods in both run-time efficiency and segmentation accuracy.


... achieve an inference speed ... 30.1 times faster than the vanilla SAM and 2.1 times than the state-of-the-art ... takes 3.5% of the vanilla SAM ...



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