RATQ: A Universal Fixed-Length Quantizer for Stochastic Optimization

22 Aug 2019Prathamesh MayekarHimanshu Tyagi

We present Rotated Adaptive Tetra-iterated Quantizer (RATQ), a fixed-length quantizer for gradients in first order stochastic optimization. RATQ is easy to implement and involves only a Hadamard transform computation and adaptive uniform quantization with appropriately chosen dynamic ranges... (read more)

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