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AI可可AI生活

AI前沿:从几何优化到通用图编码

20 Apr 2025

Description

本期《TAI快报》深入探讨了五篇AI前沿论文,揭示了优化、硬件加速、生成模型、理论指导和图结构编码的最新突破: Corner Gradient Descent 通过复平面轮廓的几何设计,突破传统梯度下降的收敛速度瓶颈,理论和实验证明其在信号主导场景下显著加速AI训练,为优化算法开辟了新视角。 VEXP: A Low-Cost RISC-V ISA Extension for Accelerated Softmax Computation in Transformers 提出低成本硬件加速方案,优化Transformer模型的Softmax运算,推理速度提升近6倍,能耗降低3.6倍,展现软硬件协同的潜力。 Energy Matching: Unifying Flow Matching and Energy-Based Models for Generative Modeling 融合流匹配和能量基模型,显著提升图像生成质量(FID降至3.97),并支持逆问题和数据分析,为生成模型带来新方向。 An Empirically Grounded Identifiability Theory Will Accelerate Self-Supervised Learning Research 倡导奇异可辨识性理论,弥合自监督学习理论与实践的鸿沟,为算法设计和评估提供新指引。 Towards A Universal Graph Structural Encoder 提出跨领域图结构编码器GFSE,通过多任务预训练提升图模型性能,适用于社交网络、分子分析等场景,展现图学习的通用化潜力。完整推介:https://mp.weixin.qq.com/s/soknJue3pOmWpfD7G0PNSQ

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