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Hong Guo

Hasso Plattner Institute Nianhui Guo, Hasso Plattner Institute, Institute, German University of Digital Science

Papers on Lattice

1

Total citations

0

Topics

3

Research focus

Distributed Systems & Hardware (1)Inference & Quantization (1)Training Efficiency & Optimization (1)

Frequent co-authors

Nianhui Guo (1)Weixing Wang (1)Jona Otholt (1)Christoph Meinel (1)

Papers (1)

Jun 7, 2026

Jun 7, 2026·also German University of Digital Science, Institute

APEX4: Efficient Pure W4A4 LLM Inference via Intra-SM Compute Rebalancing

W4A4 quantization can yield up to 2.5x speedup on certain GPUs, but its effectiveness hinges on the hardware's compute balance.

Hong Guo, Nianhui Guo, Weixing Wang +2

Distributed Systems & Hardware Inference & Quantization Training Efficiency & Optimization