From the organizers:
The 34th ACM International Symposium on High-Performance Parallel and Distributed Computing is scheduled on July 20-23, 2025 and will be held in Notre Dame, IN, USA.
The ACM International Symposium on High-Performance, Parallel and Distributed Computing (HPDC) is the premier annual conference for presenting the latest research on the design, implementation, evaluation, and the use of parallel and distributed systems for high-end computing.
