![]() ![]() Including acceleration of GPU memory transfers via RDMA offload on compatible hardware.įuture releases will continue to refine this capability. UPC++ provides uniform interfaces for RMA transfers among host and device memories, UPC++ uses a continuation-based model to express task dependencies. Futures are central to handling asynchronous operation of RMA and RPC. BERKELEY UPC BENCHMARK UTS CODEUPC++ provides asynchronous Remote Procedure Call for running code (including C++ lambdas) on other processes.įutures, promises and continuations. Put and Get) for movement of data among processes. UPC++ provides asynchronous one-sided communication (Remote Memory Access, a.k.a. UPC++ encourages the use of scalable data-structures and avoids non-scalable library features. Most operations are non-blocking, and the powerful synchronization mechanisms encourage applications to design for aggressive asynchrony.Īll communication is explicit - there is no implicit data motion. These changes reflect a design philosophy that encourages the UPC++ programmer to directly express what can be implemented efficiently (ie without a need for parallel compiler analysis). However, there are departures from the approaches taken by some predecessors such as UPC. UPC++ exposes a PGAS memory model, including one-sided communication (RMA and RPC). It leverages GASNet-EX to deliver low-overhead, fine-grained communication, including Remote Memory Access (RMA) and Remote Procedure Call (RPC). UPC++ is a C++ library that supports Partitioned Global Address Space (PGAS) programming, and is designed to interoperate smoothly and efficiently with MPI, OpenMP, C++/POSIX threads, CUDA, ROCm/HIP and other HPC frameworks. ![]()
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