With Shared Microexponents, A Little Shifting Goes a Long Way
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Abstract (arXiv)
This paper introduces Block Data Representations (BDR), a framework for exploring and evaluating a wide spectrum of narrow-precision formats for deep learning. It enables comparison of popular quantization standards, and through BDR, new formats based on shared microexponents (MX) are identified, which outperform other state-of-the-art quantization approaches, including narrow-precision floating-point and block floating-point. MX utilizes multiple levels of quantization scaling with ultra-fine scaling factors based on shared microexponents in the hardware. The effectiveness of MX is demonstrated on real-world models including large-scale generative pretraining and inferencing, and production-scale recommendation systems.
Key facts. Cited by 47 papers in the map (data through 7 Oct 2026). Builds on 28 of its 53 references that are in the map. First posted on arXiv 16 Feb 2023.
Builds on
28 of 53 references.
References · 28
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Citing papers per year: 2023: 4; 2024: 18; 2025: 13; 2026: 12.
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12 most cited of 37 All 37 (JSON)
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- 2026TriGen: NPU Architecture for End-to-End Acceleration of Large Language Models based on SW-HW Co-Design13 Feb 2026
- 2026HiFloat4 Format for Language Model Inference11 Feb 2026
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- 2025P3-LLM: An Integrated NPU-PIM Accelerator for Edge LLM Inference Using Hybrid Numerical Formats10 Nov 2025
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12 newest of 37 All 37 (JSON)
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