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Cooperative Shared Memory: Software and Hardware for Scalable Multiprocessors

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OpenMP on Networks of SMPs

Willy Zwaenepoel

In this paper, we present the first system that implements OpenMP on a network of shared-memory multiprocessors. This system enables the programmer to rely on a single, standard, shared-memory API for parallelization within a multiprocessor and between mul ...

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

Microsystem modelling using VHDL 1076.1

Philippe Renaud, Radivoje Popovic, Alexis Boegli

Specification, simulation and optimization of sensors and actuators can be done through behavioral modeling using analog hardware description languages. The resulting models can be used in conjunction with models of the associated electronics to simulate a ...

1998

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

Tradeoffs between False Sharing and Aggregation in Software Distributed Shared Memory

Willy Zwaenepoel

Software Distributed Shared Memory (DSM) systems based on virtual memory techniques traditionally use the hardware page as the consistency unit. The large size of the hardware page is considered to be a performance bottleneck because of the implied false s ...

1997

HPF on Fine-Grain Distributed Shared Memory: Early Experience

James Richard Larus

This paper examines the performance of a suite of HPF applications on a network of workstations using two different compilation approaches: generating explicit message-passing code, and generating code for a shared address space provided by a finegrain dis ...

Springer1997

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

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

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