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Lukasz Lew

4 accepted papers

2026

Robust Training of Neural Networks at Arbitrary Precision and Sparsity

ICLR 2026poster

The discontinuous operations inherent in quantization and sparsification introduce a long-standing obstacle to backpropagation, particularly in ultra-low precision and sparse regimes. While the community has long viewed quantization as unfriendly to gradient descent due to its lack of smoothness, we…

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2024

PikeLPN: Mitigating Overlooked Inefficiencies of Low-Precision Neural Networks

CVPR 2024poster

Low-precision quantization is recognized for its efficacy in neural network optimization. Our analysis reveals that non-quantized elementwise operations which are prevalent in layers such as parameterized activation functions batch normalization and quantization scaling dominate the inference cost o…

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2023

Binarized Neural Machine Translation

NeurIPS 2023poster

The rapid scaling of language models is motivating research using low-bitwidth quantization. In this work, we propose a novel binarization technique for Transformers applied to machine translation (BMT), the first of its kind. We identify and address the problem of inflated dot-product variance when…