LPZero: Language Model Zero-cost Proxy Search from Zero
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Abstract (arXiv)
In spite of the outstanding performance, Neural Architecture Search (NAS) is criticized for massive computation. Recently, Zero-shot NAS has emerged as a promising approach by exploiting Zero-cost (ZC) proxies, which markedly reduce computational demands. Despite this, existing ZC proxies heavily rely on expert knowledge and incur significant trial-and-error costs. Particularly in NLP tasks, most existing ZC proxies fail to surpass the performance of the naive baseline. To address these challenges, we introduce a novel framework, LPZero, which is the first to automatically design ZC proxies for various tasks, achieving higher ranking consistency than human-designed proxies. Specifically, we model the ZC proxy as a symbolic equation and incorporate a unified proxy search space that encompasses existing ZC proxies, which are composed of a predefined set of mathematical symbols. To heuristically search for the best ZC proxy, LPZero incorporates genetic programming to find the optimal symbolic composition. We propose a textitRule-based Pruning Strategy (RPS), which preemptively eliminates unpromising proxies, thereby mitigating the risk of proxy degradation. Extensive experiments on FlexiBERT, GPT-2, and LLaMA-7B demonstrate LPZero's superior ranking ability and performance on downstream tasks compared to current approaches.
Key facts. Cited by 7 papers in the map (data through 14 Oct 2026). Builds on 45 of its 59 references that are in the map. First posted on arXiv 7 Oct 2024.
Builds on
45 of 59 references.
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33 more
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Built on by
Citing papers per year: 2025: 5; 2026: 2.
7 papers.
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- 2025EvoLattice: Persistent Internal-Population Evolution through Multi-Alternative Quality-Diversity Graph Representations for LLM-Guided Program Discoverycited by 3
- 2025ZeroLM: Data-Free Transformer Architecture Search for Language Modelscited by 2
- 2025Cognitive-YOLO: LLM-Driven Architecture Synthesis from First Principles of Data for Object Detectioncited by 1
- 2026TraceNAS: Zero-shot LLM Pruning via Gradient Trace Correlationcited by 1
- 2025HALO: Memory-Centric Heterogeneous Accelerator with 2.5D Integration for Low-Batch LLM Inferencecited by 0
- 2026ZAPS: Zero-Cost Active Proxy Search for Neural Architecture Searchcited by 0
- 2026ZAPS: Zero-Cost Active Proxy Search for Neural Architecture Search12 Sep 2026
- 2026TraceNAS: Zero-shot LLM Pruning via Gradient Trace Correlation2 Feb 2026
- 2025EvoLattice: Persistent Internal-Population Evolution through Multi-Alternative Quality-Diversity Graph Representations for LLM-Guided Program Discovery15 Dec 2025
- 2025Cognitive-YOLO: LLM-Driven Architecture Synthesis from First Principles of Data for Object Detection13 Dec 2025
- 2025HALO: Memory-Centric Heterogeneous Accelerator with 2.5D Integration for Low-Batch LLM Inference3 Oct 2025
- 2025Can Compressed LLMs Truly Act? An Empirical Evaluation of Agentic Capabilities in LLM Compression26 May 2025
- 2025ZeroLM: Data-Free Transformer Architecture Search for Language Models24 Mar 2025