activity
20242026
collaborators

10 papers

cs.CL2026

Dustin: Draft-Augmented Sparse Verification for Efficient Long-Context Generation with Speculative Decoding

WenHung Lee, Jian-Jia Chen, Xiaolin Lin +6

While speculative decoding improves inference throughput for multi-batch long-context Large Language Models (LLMs), its efficiency is often limited by a verification bottleneck whe…

cs.LG2026

Jump Like A Squirrel: Optimized Execution Step Order for Anytime Random Forest Inference

Daniel Biebert, Christian Hakert, Kay Heider +3

Due to their efficiency and small size, decision trees and random forests are popular machine learning models used for classification on resource-constrained systems. In such syste…

cs.CL2025

Speculate Deep and Accurate: Lossless and Training-Free Acceleration for Offloaded LLMs via Substitute Speculative Decoding

Pei-Shuo Wang, Jian-Jia Chen, Chun-Che Yang +4

The immense model sizes of large language models (LLMs) challenge deployment on memory-limited consumer GPUs. Although model compression and parameter offloading are common strateg…

cs.AR2025

Modeling and Simulating Emerging Memory Technologies: A Tutorial

Yun-Chih Chen, Tristan Seidl, Nils Hölscher +15

Non-volatile Memory (NVM) technologies present a promising alternative to traditional volatile memories such as SRAM and DRAM. Due to the limited availability of real NVM devices,…

cs.OS2025

CHRONOS: Compensating Hardware Related Overheads with Native Multi Timer Support for Real-Time Operating Systems

Kay Heider, Christian Hakert, Kuan-Hsun Chen +1

The management of timing constraints in a real-time operating system (RTOS) is usually realized through a global tick counter. This counter acts as the foundational time unit for a…

cs.AR2025

: A Racetrack Register File with Runtime Software Reconfiguration

Christian Hakert, Shuo-Han Chen, Kay Heider +4

Arising disruptive memory technologies continuously make their way into the memory hierarchy at various levels. Racetrack memory is one promising candidate for future memory due to…

cs.AR2025

Realizing Hardware-Optimized General Tree-Based Data Structures for Heterogeneous System Classes

Daniel Biebert, Christian Hakert, Jian-Jia Chen

Tree-based data structures are ubiquitous across applications. Therefore, a multitude of different tree implementations exist. However, while these implementations are diverse, the…

cs.LG2025

WCDT: Systematic WCET Optimization for Decision Tree Implementations

Nils Hölscher, Christian Hakert, Georg von der Brüggen +3

Machine-learning models are increasingly deployed on resource-constrained embedded systems with strict timing constraints. In such scenarios, the worst-case execution time (WCET) o…

cs.CL2024

On the Limitations of Language Targeted Pruning: Investigating the Calibration Language Impact in Multilingual LLM Pruning

Simon Kurz, Jian-Jia Chen, Lucie Flek +1

Recent advances in large language model (LLM) pruning have shown state-of-the-art (SotA) compression results in post-training and retraining-free settings while maintaining high pr…

cs.LG2024

Register Your Forests: Decision Tree Ensemble Optimization by Explicit CPU Register Allocation

Daniel Biebert, Christian Hakert, Kuan-Hsun Chen +1

Bringing high-level machine learning models to efficient and well-suited machine implementations often invokes a bunch of tools, e.g.~code generators, compilers, and optimizers. Al…