Concept

Mémoire partagée (communication inter-processus)

Publications associées (212)

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Tempest: A Substrate for Portable Parallel Programs

James Richard Larus, David Wood

The paper describes Tempest, a collection of mechanisms for communication and synchronization in parallel programs. With these mechanisms, authors of compilers, libraries, and application programs can exploit-across a wide range of hardware platforms-the b ...

IEEE1995

From Causal Consistency to Sequential Consistency in Shared Memory Systems

André Schiper

Sequential consistency and causal consistency constitute two of the main consistency criteria used to define the semantics of accesses in the shared memory model. An execution is sequentially consistent if all processes can agree on a same legal sequential ...

Springer-Verlag1995

Fine-grain access control for distributed shared memory

Babak Falsafi, James Richard Larus, David Wood

The paper discusses implementations of fine-grain memory access control, which selectively restricts reads and writes to cache-block-sized memory regions. Fine-grain access control forms the basis of efficient cache- coherent shared memory. The paper focus ...

1994

Parallelization of General Linkage Analysis Problems

Willy Zwaenepoel, Sandhya Dwarkadas

We describe a parallel implementation of a genetic linkage analysis program that achieves good speedups, even for analyses on a single pedigree and with a single starting recombination fraction vector. Our parallel implementation has been run on three diff ...

1994

Software vs. Hardware Shared Memory Implementation: A Case Study

Willy Zwaenepoel, Sandhya Dwarkadas

We compare the performance of software-supported shared memory on a general-purpose network to hardware-supported shared memory on a dedicated interconnect. Up to eight processors, our results are based on the execution of a set of application programs on ...

1994

Where is Time Spent in Message-Passing and Shared-Memory Programs?

James Richard Larus

Message passing and shared memory are two techniques parallel programs use for coordination and communication. This paper studies the strengths and weaknesses of these two mechanisms by comparing equivalent, well-written message-passing and shared-memory p ...

ACM1994

Cachier: A Tool for Automatically Inserting CICO Annotations

James Richard Larus

Shared memory in a parallel computer provides programmers with the valuable abstraction of a shared address space--through which any part of a computation can access any datum. Although uniform access simplifies programming, it also hides communication, wh ...

IEEE1994

Tempest and Typhoon: User-Level Shared Memory

James Richard Larus, David Wood

Future parallel computers must efficiently execute not only hand-coded applications but also programs written in high-level, parallel programming languages. Today’s machines limit these programs to a single communication paradigm, either message-passing or ...

ACM1994

LCM: Memory System Support for Parallel Language Implementation

James Richard Larus

Higher-level parallel programming languages can be difficult to implement efficiently on parallel machines. This paper shows how a flexible, compiler-controlled memory system can help achieve good performance for language constructs that previously appeare ...

ACM1994

TreadMarks: Distributed Shared Memory on Standard Workstations and Operating Systems

Sandhya Dwarkadas

TreadMarks is a distributed shared memory (DSM) system for standard Unix systems such as SunOS and Ultrix. This paper presents a performance evaluation of TreadMarks running on Ultrix using DECstation-5000/240's that are connected by a 100-Mbps switch-base ...

1994