RhyMix: A Lightweight Adaptive Multi-Rhythm Network for Long-Term Time Series Forecasting

· Source: cs.AI updates on arXiv.org · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Data Science & Analytics · Depth: Expert, extended

Summary

RhyMix, a lightweight adaptive multi-rhythm network, addresses complex real-world time series forecasting by integrating a parallel dual-path architecture with adaptive gating mechanisms. It features a Cyclic Path for seasonal patterns using learnable cyclic embeddings (periods 12, 24, 48, 168) and a Multi-Scale Temporal Convolutional Network with Channel Attention (MSTCN-CA) Path for multi-scale temporal dependencies (dilations 1, 2, 4, 8). Adaptive gates dynamically combine four specialized forecasting heads (Direct, Trend-Seasonal Decomposition, Local Convolution, Periodic Fusion) and balance the two paths. RhyMix achieves leading performance on 10 of 12 long-term forecasting datasets, maintaining linear complexity, a compact model size of 157 KB (~40K parameters), and low-latency inference (<5 milliseconds), making it suitable for resource-constrained edge devices.

Key takeaway

For Machine Learning Engineers developing real-time forecasting solutions on resource-constrained edge devices, RhyMix offers a compelling architecture. Its linear complexity, compact 157 KB model size, and sub-5 ms inference latency, combined with leading accuracy on diverse datasets, make it ideal. You should consider RhyMix to achieve robust long-term predictions without the computational overhead of larger models or pre-computation steps.

Key insights

RhyMix combines explicit cyclic priors and multi-scale convolutions with adaptive gating for efficient, accurate long-term time series forecasting.

Principles

Method

RhyMix normalizes input, extracts statistical features for gating, and processes data via parallel Cyclic and MSTCN-CA paths. Adaptive gates dynamically fuse four specialized forecasting heads and balance path contributions for the final prediction.

In practice

Topics

Best for: AI Engineer, Research Scientist, AI Scientist, Machine Learning Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by cs.AI updates on arXiv.org.