WiCT Meetup — Saturday, March 14, 2026: Compiler Optimizations for CPU-GPU скачать в хорошем качестве

WiCT Meetup — Saturday, March 14, 2026: Compiler Optimizations for CPU-GPU

WiCT Meetup — Saturday, March 14, 2026 Title: Compiler Optimizations for CPU-GPU Heterogeneous Systems ----- Speaker: Jyothi Vedurada, Assistant Professor, Dept. of Computer Science and Engineering, IIT Hyderabad ----- Slides: https://drive.google.com/file/d/11pyT... ----- Modern high-performance applications increasingly rely on CPU-GPU heterogeneous systems, yet their performance is often limited by poorly placed global synchronization barriers, synchronous memory transfers, and default-stream CUDA semantics that prevent overlap between computation and communication. This talk presents compiler-driven techniques to systematically remove these bottlenecks. I will first introduce hetero-sync motion, which safely relocates barrier instructions to enable greater CPU-GPU concurrency, and sync2async, which automatically transforms synchronous data transfers and kernel launches on the default stream into non-default-stream asynchronous calls with correct stream allocation and synchronization. Both techniques rely on precise, context-sensitive, flow-sensitive inter-procedural data-flow analyses implemented in LLVM/Clang, and deliver significant speedups on modern GPUs. I will briefly touch upon our ongoing work on optimizing Unified Memory programs using static analysis to reduce unnecessary on-demand page migrations. Together, these efforts show how compiler analysis can unlock concurrency and efficiency in heterogeneous systems without increasing programmer burden. ----- Link to website : https://jyothivedurada.github.io/ About the speaker: Jyothi Vedurada is an assistant professor at the Dept. of Computer Science and Engineering, IIT Hyderabad. Her research interests are compilers, program analysis, and high-performance computing. Prior to joining IIT Hyderabad, she was a post-doctoral researcher at Microsoft Research Lab, Bangalore. She received her PhD (+M.Tech) from IIT Madras, supported by the TCS PhD fellowship. She received 'Young Woman Researcher in Compilers and Software Systems' VIF Award 2025, Google Research exploreCSR Award 2021, Distinguished Paper Award at OOPSLA 2021, Distinguished Reviewer Award for OOPSLA 2019 Artifact Evaluation PC, and Institute Research Award for her PhD thesis. ----- Note: The initial slide deck introducing WiCT and the speaker was prepared with help of Claude AI, the poster for the talk was prepared using Canva.