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Xiaowen Chu

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#small language model Preprint Sep 2026

Taming CoT Obfuscation in VLMs: From Mechanistic Evidence to Activation Enforcement

This work proposes Targeted Anti-obfuscation with Mechanistic Enforcement (TAME), which uses Sparse Autoencoders (SAEs) to combine behavioral feedback with targeted suppression of template-associated activations during RL, providing a path from behavioral monitoring to representation-level oversight for more auditable...

Xu-Tao Mao, Jianing Zhu, Jin-Man Zhao et al. · 0 citations
Jul 2026

DRNOISE: Benchmarking Deep Research Agents in Misleading Evidence Environments

DRNOISE, a 100-task benchmark for answer recovery under misleading evidence, is introduced, a 100-task benchmark for answer recovery under misleading evidence that requires active reconciliation of direct claims with record-level evidence.

Jun Nie, Zhiqin Yang, Zhenheng Tang et al. · 2 citations
Conference Open access May 2026

SNI-GNN: SmartNIC-Assisted Full-Graph GNN Training with In-Network Embedding Prediction

SmartNIC-based in-network prediction is a practical complement to partitioning and compression techniques for communicationefficient full-graph GNN training at scale, and results indicate SmartNIC-based in-network prediction is a practical complement to partitioning and compression techniques for communicationefficient...

Guofan Yu, Si-Tian Chen, Zhenheng Tang et al. · 0 citations
Preprint Jul 2026

Bidirectional Resource Scheduling for Disaggregated and Asynchronous RL Post-Training

BiDiRL, a hybrid time-space multiplexing architecture for asynchronous, disaggregated RL designed to reduce resource idleness, is presented, including a hot-switch runtime that enables rapid switching between rollout and training resources with negligible overhead and a static, scheduling-aware planner based on time-pe...

Zhiqiang Tan, Maoxin Wang, Sijie Wang et al. · 1 citation
Jul 2026

Xema: Efficient Diffusion Serving through Fine-Grained Memory Management and Auto-Configuration

Xema is presented, a memory-efficient diffusion serving system that exploits predictable tensor lifetimes for trace-guided memory optimization and introduces an offline planner that jointly selects parallelism, concurrency, and memory control under GPU memory and SLO constraints.

Xueze Kang, Guangyu Xiang, Suyi Li et al. · 1 citation
Jun 2026

KernelFlume: Elastic Core-Attention Scaling for Agentic Long-Context Decoding

KernelFlume is presented, a decode-centric architecture that disaggregates the stable projection/FFN path from core-attention computation: weight nodes execute dense projection/FFN kernels, while weightless attention nodes store token-range KV partitions and scale with request-state demand.

Guangyu Xiang, Xueze Kang, Lin Zhang et al. · 1 citation

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