Accession Number : ADA292363

Title :   Micro Benchmark Analysis of the KSR1.

Descriptive Note : Research rept.,

Corporate Author : UNIVERSITY OF SOUTHERN CALIFORNIA MARINA DEL REY INFORMATION SCIENCES INST

Personal Author(s) : Saavedra, Rafael H. ; Gaines, R. S. ; Carlton, Michael J.

PDF Url : ADA292363

Report Date : NOV 1993

Pagination or Media Count : 16

Abstract : A new approach, micro benchmarks has recently been developed. Using this technique, we have analyzed the KSRl, and in particular the 'AIlcache' memory architecture and ring interconnection. We have been able to elucidate many facets of memory performance. The technique has enabled us to identify and characterize parts of the memory design not described by Kendall Square Research. Our results show that a miss in the local cache can incur a penalty ranging from 7.5 microseconds to 500 microseconds (when a dirty 'page' in the local cache must be evicted). The programmer must be very careful in placement and accessing of data to obtain maximum performance from the KSRl; the data presented here will help in understanding the performance actually obtained.

Descriptors :   *COMPUTER ARCHITECTURE, *PARALLEL PROCESSORS, *CIRCUIT INTERCONNECTIONS, *SYSTEMS APPROACH, *RELIABILITY(ELECTRONICS), OPERATIONAL EFFECTIVENESS, MEMORY DEVICES, STANDARDS, MULTIPROCESSORS, COMPUTER NETWORKS, RINGS.

Subject Categories : Computer Hardware

Distribution Statement : APPROVED FOR PUBLIC RELEASE