Title
Impulse: Memory system support for scientific applications
Abstract
Impulse is a new memory system architecture that adds two important features to a traditional mem- ory controller. First, Impulse supports application-specific optimizations through configurable physical address remapping. By remapping physical addresses, applications control how their data is accessed and cached, improving their cache and bus utilization. Second, Impulse supports prefetching at the memory controller, which can hide much of the latency of DRAM accesses. Because it requires no modification to processor, cache, or bus designs, Impulse can be adopted in conventional systems. In this paper we describe the design of the Impulse architecture, and show how an Impulse memory system can improve the performance of memory-bound scientific applications. For instance, Impulse de- creases the running time of the NAS conjugate gradient benchmark by 67%. We expect that Impulse will also benefit regularly strided, memory-bound applications of commercial importance, such as database and multimedia programs.
Year
DOI
Venue
1999
10.1155/1999/209416
Scientific Programming
Keywords
Field
DocType
Impulse memory system,memory system support,bus design,configurable physical address remapping,Impulse architecture,scientific application,memory-bound application,traditional memory controller,new memory system architecture,conventional system,bus utilization,memory controller
Registered memory,Interleaved memory,Uniform memory access,Physical address,Computer science,Parallel computing,Cache-only memory architecture,Memory address,Memory map,Memory controller
Journal
Volume
Issue
Citations 
7
3-4
9
PageRank 
References 
Authors
0.86
23
6
Name
Order
Citations
PageRank
John B. Carter11785162.82
Wilson C. Hsieh22532261.94
Leigh Stoller346249.03
Mark Swanson4202.33
Lixin Zhang557145.96
Sally A. Mckee61928152.59