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SOL-H3 + SageAttention on Apple Silicon: up to 2.5x faster H3 in Vpipe

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

I recently added SOL Attention to Vpipe, together with a SageAttention-style INT8 QK path, and benchmarked it against vanilla H3 and our recent VDN-H3 implementation. The interesting part isn’t just the speedup. SOL gets into a similar performance regime as VDN while preserving the original attenti…

Read the full story at r/StableDiffusion ↗

Timeline · 2 reports

  1. 2026-09-09 20:18 · r/comfyui
    SOL-H3 + SageAttention on Apple Silicon: up to 2.5x faster H3 in Vpipe
  2. 2026-09-09 20:08 · r/StableDiffusion
    SOL-H3 + SageAttention on Apple Silicon: up to 2.5x faster H3 in Vpipe

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