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Bonsai 2 27B: Near-Lossless Compression in a 9x Smaller Footprint

589 points · 200 comments · JonSchneider

  1. abraxas · · focus · HN ↗
    I'm not following the local mdoel scene too closely but this seems quite amazing. Is this able to be run on Apple silicon too?
    1. kamranjon · · focus · HN ↗
      "Ternary Bonsai 2 27B reaches up to 143 tokens/second on NVIDIA GeForce RTX 5090 and 46.8 tokens/second on M5 Max. On an RTX 4090, Ternary Bonsai 2 27B consumes just 0.714 mWh/token, making it 40% more energy-efficient than an 8B model running in full-precision."
      1. pizza234 · · focus · HN ↗
        Their mention of the 5090 is bit odd, since on 32 GB GPUs, Q6 fits while having better quality. Very interesting model for 16 GB GPUs though!
        1. pwython · · focus · HN ↗
          Sometimes you want a decent model running in the background that doesn't take up all the VRAM.
          1. blurbleblurble · · focus · HN ↗
            Or maybe even to run parallel threads of the same model!
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