Concept

Shared memory

Related publications (212)

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Memory sharing predictor: the key to a speculative coherent DSM

Babak Falsafi

Recent research advocates using general message predictors to learn and predict the coherence activity in distributed shared memory (DSM). By accurately predicting a message and timely invoking the necessary coherence actions, a DSM can hide much of the re ...

1999

IO-Lite: A Unified I/O Buffering and Caching System

Willy Zwaenepoel

This paper presents the design, implementation and evaluation of IO-Lite, a unified I/O buffering and caching system for general-purpose operating systems. IO-Lite unifies all buffering and caching in the system, to the extent permitted by the hardware. In ...

1999

A Performance Comparison of Homeless and Home-based Lazy Release Consistency Protocols in Software Shared Memory

Willy Zwaenepoel

In this paper, we compare the performance of two multiple-writer protocols based on lazy release consistency. In particular, we compare the performance of Princeton’s home-based protocol and TreadMarks’ protocol on a 32-processor platform. We found that th ...

1999

OpenMP on Networks of Workstations

Willy Zwaenepoel

We describe an implementation of a sizable subset of OpenMP on networks of workstations (NOWs). By extending the availability of OpenMP to NOWs, we overcome one of its primary drawbacks compared to MPI, namely lack of portability to environments other than ...

1998

Protocol-based Data-race Detection

James Richard Larus

Distributed Shared-Memory (DSM) computers, which partition physical memory among a collection of workstationlike computing nodes, are now a common way to implement parallel machines. Recently, there has been much interest in DSM machines that use software, ...

ACM1998

Holographic memory design for a petaflop superconducting computer architecture

Demetri Psaltis, Wei Liu

We will describe the role of holographic memory in a current research effort(1) that seeks to combine various advanced technologies to achieve petaflops scale computing within the next decade. In addition to holographic memory, the petaflop architecture co ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa1998

Shared-Memory Performance Profiling

James Richard Larus

This paper describes a new approach to finding performance bottlenecks in shared-memory parallel programs and its embodiment in the Paradyn Parallel Performance Tools running with the Blizzard fine-grain distributed shared memory system. This approach expl ...

ACM1997

Compiler and Software Distributed Shared Memory Support for Irregular Applications

Willy Zwaenepoel

We investigate the use of a software distributed shared memory (DSM) layer to support irregular computations on distributed memory machines. Software DSM supports irregular computation through demand fetching of data in response to memory access faults. Wi ...

1997

Optimizing Communication in HPF programs for Fine-Grain Distributed Shared Memory

James Richard Larus

Unlike compiler-generated message-passing code, the coherence mechanisms in shared-memory systems work equally well for regular and irregular programs. In many programs, however compile-time information about data accesses would permit data to be transferr ...

ACM1997

Experience with a Language for Writing Coherence Protocols

James Richard Larus

In this paper we describe our experience with Teapot [7], a domain-specific language for writing cache coherence protocols. Cache coherence is of concern when parallel and distributed computing systems make local replicas of shared data to improve scalabil ...

Usenix1997