High-performance parallel programming in Java: exploiting native libraries

Getov, Vladimir; Hummel, Susan Flynn; Mintchev, Sava

doi:10.1002/(sici)1096-9128(199809/11)10:11/13<863::aid-cpe387>3.0.co;2-7

Cited by 47 publications

(9 citation statements)

References 4 publications

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“…In addition to faster JVM/JNI implementations, the communication performance improvements very much depend on the efficient design of an MPI-like API in Java. This has been an area of active research and development during the last couple of years for both wrappers to existing MPI libraries [1,5] and pure Java designs [8].…”

Section: Discussion and Related Workmentioning

confidence: 99%

MPI and Java-MPI

Getov

Gray

Sunderam

1999

Proceedings of the 1999 ACM/IEEE Conference on Supercomputing

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Java is receiving increasing attention as the most popular platform for distributed and collaborative computing. However, it is still subject to significant performance drawbacks in comparison to other programming languages such as C and Fortran. This paper represents the current status of our ongoing project which intends to conduct a detailed experimental evaluation on the suitability of Java in these environments, with particular focus on its message-passing performance for one-to-one as well as one-to-many and manyto-many data exchange patterns. We also emphasize both methodology and evaluation guidelines in order to ensure reproducibility, sound interpretation, and comparative analysis of performance results. Some of the important parameters which characterize the communication performance of MPI and Java-MPI such as latency, asymptotic bandwidth and N-half are investigated. In addition, we introduce two different types of pipeline effects -intra-message and inter-message -that have significant influence on the message-passing performance. For this purpose we have developed a low-level message-passing benchmark suite, which we have used to evaluate and compare different message-passing environments on the IBM SP-2.

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Section: Discussion and Related Workmentioning

confidence: 99%

MPI and Java-MPI

Getov

Gray

Sunderam

1999

Proceedings of the 1999 ACM/IEEE Conference on Supercomputing

Self Cite

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“…In p3m, we also integrate the HTTP server into the target system, and the users can monitor the QoS of the multimedia by the remote connection. Figure 10 shows the log information, and the exception information will be colored in the striking color 43, 44, 45…”

Section: Software Architecturementioning

confidence: 99%

Erratum: Attachment and symptoms of psychopathology: Early maladaptive schemas as a cognitive link?

Bosmans¹,

Braet²,

Vlierberghe³

2011

Clin Psychology and Psychoth

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“…4 7 1024-byte C-to-Java array copy 18.0 1.68 (memcpy) 10.7 102400-byte C-to-Java array copy 1706.0 432.5 (memcpy) 3 . 9 4 10-byte Java-to-C array copy 7.0 0.354 (memcpy) 19.8 1024-byte Java-to-C array copy 272.0 1.68 (memcpy) 161.9 102400-byte Java-to-C array copy 27274.0 432.5 (memcpy) 63.1 communication buffers were exposed to Java through specially generated code from a modified compiler. While this addresses most of the performance issues with implementing a fast Java VIA interface, the approach does not cover efficient access to hardware resources in general.…”

Section: Java Nativementioning

confidence: 99%

Jaguar: enabling efficient communication and I/O in Java

Welsh¹,

Culler²

2000

Concurrency: Pract. Exper.

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SUMMARYImplementing efficient communication and I/O mechanisms in Java requires both fast access to low-level system resources (such as network and raw disk interfaces) and direct manipulation of memory regions external to the Java heap (such as communication and I/O buffers). Java native methods are too expensive to perform these operations and raise serious protection concerns. We present Jaguar, a new mechanism that provides Java applications with efficient access to system resources while retaining the protection of the Java environment. This is accomplished through compile-time translation of certain Java bytecodes to inlined machine code segments. We demonstrate the use of Jaguar through a Java interface to the VIA fast communications layer, which achieves nearly identical performance to that of C, and Pre-Serialized Objects, a mechanism which greatly reduces the cost of Java object serialization.

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High-performance parallel programming in Java: exploiting native libraries

Cited by 47 publications

References 4 publications

MPI and Java-MPI

MPI and Java-MPI

Erratum: Attachment and symptoms of psychopathology: Early maladaptive schemas as a cognitive link?

Jaguar: enabling efficient communication and I/O in Java

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