Data/hora: 15/05/2024 22:27:04

Biblioteca(s): | Embrapa Agricultura Digital.
Data corrente: | 03/07/1996
Data da última atualização: | 16/08/2007
Autoria: | MENDES, C. L.
Título: | Integrating message-passing with vector architectures.
Ano de publicação: | 1995
Fonte/Imprenta: | In: SIMPÓSIO BRASILEIRO DE ARQUITETURA DE COMPUTADORES - PROCESSAMENTO DE ALTO DESEMPENHO, 7.; CONGRESSO BRASILEIRO DA SOCIEDADE BRASILEIRA DE COMPUTAÇÃO, 15., 1995, Canela. Anais... Porto Alegre: UFRGS, Instituto de Informática,1995.
Páginas: | p.151-165.
Idioma: | Inglês
Conteúdo: | Vector architectures provide excellent computational throughput, while sucessfully tolerating memory latency by pipelining memory accesses. In this paper, we propose a generalization of vector architectures to message-passing multicomputers, which combines the efficiency of vector computation whith the scalability of distributed-memory systems. In our proposed architecture, each node is a conventional vector processsor (with chaining capability and pipelined functional units) augmented by native instructions to send and receive messages through vector registers. In this scheme, inter-node communication can be performed via vector-send/receive instructions, gaining the benefits of communication pipelining, reduced memory copies (memory-to-register-to-register  instead of memory-to-memory-to-cache), and lower communication latency (due to tight processor-communication coupling). We show that this strong integration between functional and communication units can lead to substantial performance improvement over conventional message-passing multicomputers. We model pipelined computation-communication systems both analyticaly and with a detailed instruction-level simulation, and compare this simulation data with empirical results from an intel paragon. Preliminary data from a matrix multiplication example indicates our proposed vector-parallel architecture offers significant scalability benefits over existing message-passing systems.
Categoria do assunto: | --
Registro original: | Embrapa Agricultura Digital (CNPTIA)
Exemplares: | CNPTIA - (3425-1) - ADD - PL - -- - 004.36 - SIM - 1995.00007 - DIS