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PolyQ: Codesigning End-to-End Quantization Framework for Scalable Edge CPU LLM Inference

2026-07-20 Yixun Hong 2 min read 337 words

https://arxiv.org/abs/2607.14618v1

Core Idea

PolyQ addresses the problem that existing low-bit quantization for CPU-based LLM inference offers either coarse operating points or fine-grained mixed precision that is inefficient to execute.

For this daily profile, it is worth opening because it links Inference, LLM, and Quantization to a concrete method, not just a broad trend.

What Is New

The novelty signal is concentrated around Inference, LLM, Quantization, and Compiler. For this profile, the important question is whether the paper changes how architecture ideas are generated, evaluated, or connected to software and hardware constraints.

Methodology

Read this as a loop: define the target system, apply the proposed mechanism, measure against a baseline, then use the measured signal to justify the next design choice. Mechanism: CPUs are the most universal target for on-device LLM inference, but existing low-bit quantization methods offer either coarse operating points or fine-grained mixed precision that is difficult to execute efficiently on CPUs. Evidence: Across Falcon-H1-3B, Llama2-13B, and Qwen3-32B on WikiText-2, PolyQ provides stable quality scaling from 3--6\,b and improves perplexity by 2.4--32.1\% over prior methods at a 3\,b target.

score(design) = quality_metric(design) - cost_to_evaluate(design) + feedback_gain(design)

Figure To Read First

Read this visual first: focus on the first architecture, workflow, or pipeline figure before the experiments. It should show what is optimized, what feedback signal is used, and where the system boundary sits.

Minimal Mental Model

research artifact
  question      -> what design, runtime, or system boundary changes?
  mechanism     -> model, agent, compiler, simulator, or hardware feedback
  evaluation    -> baseline comparison plus cost / latency / accuracy signal
  reusable idea -> what should carry into the next architecture experiment?

Why It Matters

Paper recommendations matter when they sharpen the research map: what problem is now easier to study, what methodology becomes reusable, and which architecture assumptions should be questioned next.