OCTOPUS compresses KV caches via octahedral parametrization of rotated triplets and squared-error-optimized Lloyd-Max quantization, matching or exceeding prior rotation codecs with growing gains at low bit widths.
Asymptotically optimal block quantization.IEEE Transactions on Information Theory, 25(4):373–380, 1979
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OCTOPUS: Optimized KV Cache for Transformers via Octahedral Parametrization Under optimal Squared error quantization
OCTOPUS compresses KV caches via octahedral parametrization of rotated triplets and squared-error-optimized Lloyd-Max quantization, matching or exceeding prior rotation codecs with growing gains at low bit widths.