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StormWatch: A Tool for Visualizing Memory System Protocols

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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

Quantifying the Performance Differences Between PVM and TreadMarks

Willy Zwaenepoel, Sandhya Dwarkadas

We compare two systems for parallel programming on networks of workstations: Parallel Virtual Machine (PVM) a message passing system, and TreadMarks, a software distributed shared memory (DSM) system. We present results for eight applications that were imp ...

1997

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

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

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

Evaluating the performance of software distributed shared memory as a target for parallelizing compilers

Willy Zwaenepoel, Sandhya Dwarkadas

In this paper we evaluate the use of software distributed shared memory (DSM) on a message passing machine as the target for a parallelizing compiler. We compare this approach to compiler-generated message passing, hand-coded software DSM and hand-coded me ...

1997

The Tempest Approach to Distributed Shared Memory

James Richard Larus, David Wood

This paper summarizes how distributed shared memory (DSM) can be both efficiently and portably supported by the Tempest interface. Tempest is a collection of mechanisms for communication and synchronization in parallel programs. These mechanisms provide co ...

IEEE1996

TreadMarks: Shared Memory Computing on Networks of Workstations

Willy Zwaenepoel, Sandhya Dwarkadas

TreadMarks supports parallel computing on networks of workstations by providing the application with a shared memory abstraction. Shared memory facilitates the transition from sequential to parallel programs. After identifying possible sources of paralleli ...

1996

An integrated compile-time/run-time software distributed shared memory system

Willy Zwaenepoel, Sandhya Dwarkadas

On a distributed memory machine, hand-coded message passing leads to the most efficient execution, but it is difficult to use. Parallelizing compilers can approach the performance of hand-coded message passing by translating data-parallel programs into mes ...

1996

Introduction to CAP : A language extension for the specification of pipelined parallel applications

Roger Hersch

Programming parallel shared- and distributed-memory architectures remains a difficult task. This contribution proposes a methodology for the hierarchical specification of pipelined parallel applications running on shared- as well as distributed-memory arch ...

Ecole Polytechnique Fédérale de Lausanne1996