Design and evaluation of Nemesis, a scalable, low-latency, message-passing communication subsystem.

[摘要] This paper presents a new low-level communication subsystem called Nemesis. Nemesis has been designed and implemented to be scalable and efficient both in the intranode communication context using shared-memory and in the internode communication case using high-performance networks and is natively multimethod-enabled. Nemesis has been integrated in MPICH2 as a CH3 channel and delivers better performance than other dedicated communication channels in MPICH2. Furthermore, the resulting MPICH2 architecture outperforms other MPI implementations in point-to-point benchmarks.

[发布日期] 2005-12-02 [发布机构] Argonne National Laboratory

[关键词] Computer Architecture;99 General And Miscellaneous//Mathematics, Computing, And Information Science;Computer Networks;Data Transmission;Design