Implementing MPI in a High - Performance , Multithreaded Language
نویسندگان
چکیده
We have ported the MPICH implementation of MPI to the high-performance, multithreaded programming language MPC++. We discuss our modications to the design of MPICH to support multiple threads. MPICH now runs experimentally on top of MPC++ on a Sun workstation cluster connected by Myrinet and achieves higher performance than standard MPICH on Myrinet TCP/IP on the same hardware.
منابع مشابه
Thread-safety in an MPI implementation: Requirements and analysis
The MPI-2 Standard has carefully specified the interaction between MPI and usercreated threads, with the goal of enabling users to write multithreaded programs while also enabling MPI implementations to deliver high performance. However, a simple reading of the thread-safety specification does not reveal what its implications are for an implementation and what implementers must be aware (and ca...
متن کاملIssues in Developing a Thread-Safe MPI Implementation
The MPI-2 Standard has carefully specified the interaction between MPI and user-created threads, with the goal of enabling users to write multithreaded programs while also enabling MPI implementations to deliver high performance. In this paper, we describe and analyze what the MPI Standard says about thread safety and what it implies for an implementation. We classify the MPI functions based on...
متن کاملEecient Communications in Multithreaded Runtime Systems
Most of existing multithreaded environments have an implementation built on top of standard communication interfaces such as MPI which ensures a high level of portability. However, such interfaces do not meet the e ciency needs of RPC-like communications which are extensively used in multithreaded environments. We propose a new portable and e cient communication interface for RPC-based multithr...
متن کاملManaging Multiple Communication Methods in High-Performance Networked Computing Systems
Modern networked computing environments and applications often require|or can bene t from|the use of multiple communication substrates, transport mechanisms, and protocols, chosen according to where communication is directed, what is communicated, or when communication is performed. We propose techniques that allow multiple communication methods to be supported transparently in a single applica...
متن کاملEfficient Multithreaded Context ID Allocation in MPI
An important aspect of support for multithreaded MPI executions is the management of communication context identifiers (IDs), which are used to associate MPI communication operations with a communicator. New communicator creation functionality in MPI 3.0 adds complexity to this core resource management problem. We present an efficient algorithm for multithreaded context ID allocation that build...
متن کامل