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Yangjie Zhou

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#artificial intelligence Preprint Oct 2026

Benchmarking LLM Agents for Behaviorally Adequate Test Generation from Software Requirements

As large language model agents increasingly compile natural-language requirements into repository-level code, requirement-to-test generation grows in importance to provide validation constraints (or harness) to guide code generation. Yet it remains unclear whether current agents can generate tests that validate the req...

Bin-Hang Qi, Yi-Ming Liu, Yun Lin et al. · 0 citations
Book Open access Oct 2026

AlphaCu: A Transformation-Driven Synthesis Framework for LLM-Based GPU Kernel Generation

Large language models show promise for code generation, yet their effectiveness in producing high-performance GPU kernels remains insufficiently understood. Recent agentic workflows improve over direct prompting through specialized generation roles and execution feedback, but our characterization of a representative wo...

Yang-Jie Zhou, Xing-Chen Ma, Zi-Han Liu et al. · 0 citations
Preprint Sep 2026

Dissecting How Die Scaling Breaks GPU Fine-grained Scheduling

Modern GPUs are no longer physically symmetric. Die scaling leads to both manufacturing-driven floorsweeping and cache and memory partitioning. The former creates chip-specific compute topologies, while the latter causes non-uniform memory access. These asymmetries are substantial. Topology-oblivious compute unit alloc...

Xiao-Ze Fan, Jian-Hao Wang, Wei-Hao Cui et al. · 0 citations
Preprint Sep 2026

Weave: Fine-Grained Dynamic SM Scheduling in an MoE Megakernel for Compute-Communication Overlap

Weave is presented, to the authors' knowledge the first MoE overlap system that performs fine-grained dynamic SM scheduling - deciding per layer and per GPU by routing results at runtime, and achieves a 2.89x geometric-mean MoE-layer speedup and a 1.33x geometric-mean end-to-end speedup over five state-of-the-art basel...

Ziyu Huang, Yang-Jie Zhou, Chen-Hao Zhu et al. · 0 citations
Preprint Aug 2026

A Thread-Register Decoupled GPU Execution Model for Efficient Tensor Computation

This work proposes FIBER, a new architecture that extends the GPU SIMT (single instruction, multiple thread) model, and extends the ISA, microarchitecture, and compiler to realize shared-register addressing, conflict-free operand delivery, and fiber-based program mapping.

Zi-Han Liu, Jingwen Leng, Yang-Jie Zhou et al. · 0 citations
Jul 2026

GPU-Tile-Sim: A Tile-Centric GPU Simulation Framework for LLM Hardware-Software Co-Design

This work proposes GPU-Tile-Sim, a tile-centric GPU simulation framework for LLM hardware-software co-design that represents kernel execution as a warp-level tile graph whose nodes capture tile-level operations and whose edges encode data and ordering constraints.

Yitong Ding, Jiawei Huang, Renyang Guan et al. · 2 citations

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