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    "headline": "Two-Bit Residuals Cut Looped-Transformer Cache Storage",
    "slug": "two-bit-residuals-cut-looped-transformer-cache-storage",
    "dek": "ResidualQuant used final-loop states as a reference and encoded similar earlier loops as low-precision differences.",
    "summary": "ResidualQuant used final-loop states as a reference and encoded similar earlier loops as low-precision differences.",
    "body_text": "Mixed-precision tests retained accuracy near BF16 while reducing theoretical KV storage 80.7%. On an RTX 5090, lower memory traffic improved fixed-batch decode throughput up to 2.73 times and the larger feasible batch raised peak throughput up to 4.15 times in the reported models.",
    "why_it_matters": "ResidualQuant used final-loop states as a reference and encoded similar earlier loops as low-precision differences.",
    "limitations": [],
    "importance": 6,
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    "tags": [
      "KV cache",
      "quantization",
      "looped transformers"
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    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-10-08-019",
      "title": "arXiv preprint 2610.10381",
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      "published_at": "2026-10-07T12:40:21.000-04:00",
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  "publisher": {
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    "description": "A daily newspaper for the age of artificial intelligence."
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  "cite_this_report": {
    "title": "Two-Bit Residuals Cut Looped-Transformer Cache Storage",
    "publisher": "The Machine Press",
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