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IJHPCA
2007
88views more  IJHPCA 2007»
9 years 2 months ago
Performance Optimization and Modeling of Blocked Sparse Kernels
We present a method for automatically selecting optimal implementations of sparse matrixvector operations. Our software ‘AcCELS’ (Accelerated Compress-storage Elements for Lin...
Alfredo Buttari, Victor Eijkhout, Julien Langou, S...
IJHPCA
2007
116views more  IJHPCA 2007»
9 years 2 months ago
Pricing for Utility-Driven Resource Management and Allocation in Clusters
Users perceive varying levels of utility for each different job completed by the cluster. Therefore, there is a need for existing cluster Resource Management Systems (RMS) to prov...
Chee Shin Yeo, Rajkumar Buyya
IJHPCA
2007
116views more  IJHPCA 2007»
9 years 2 months ago
Parallel Languages and Compilers: Perspective From the Titanium Experience
We describe the rationale behind the design of key features of Titanium—an explicitly parallel dialect of JavaTM for high-performance scientific programming—and our experienc...
Katherine A. Yelick, Paul N. Hilfinger, Susan L. G...
IJHPCA
2007
118views more  IJHPCA 2007»
9 years 2 months ago
Implementing MPI-IO Atomic Mode and Shared File Pointers Using MPI One-Sided Communication
The ROMIO implementation of the MPI-IO standard provides a portable infrastructure for use on top of a variety of underlying storage targets. These targets vary widely in their ca...
Robert Latham, Robert B. Ross, Rajeev Thakur
IJHPCA
2007
72views more  IJHPCA 2007»
9 years 2 months ago
Compensation of Measurement Overhead in Parallel Performance Profiling
Allen D. Malony, Sameer Shende, Alan Morris, Felix...
IJHPCA
2007
62views more  IJHPCA 2007»
9 years 2 months ago
Parallel Programmability and the Chapel Language
Bradford L. Chamberlain, David Callahan, Hans P. Z...
IJHPCA
2007
165views more  IJHPCA 2007»
9 years 2 months ago
High Performance Development for High End Computing With Python Language Wrapper (PLW)
This paper presents a design and implementation of a system that leverages interactive scripting environment to the needs of scientific computing. The system allows seamless tran...
Piotr Luszczek, Jack Dongarra
IJHPCA
2007
130views more  IJHPCA 2007»
9 years 2 months ago
A Composition Environment for MPI Programs
While MPI is the most common mechanism for expressing parallelism, MPI programs are not composable by using current MPI process managers or parallel shells. We introduce MPISH2, an...
Narayan Desai, Ewing L. Lusk, Rick Bradshaw
IJHPCA
2007
88views more  IJHPCA 2007»
9 years 2 months ago
Scaling Properties of Common Statistical Operators for Gridded Datasets
An accurate cost-model that accounts for dataset size and structure can help optimize geoscience data analysis. We develop and apply a computational model to estimate data analysi...
Charles S. Zender, Harry Mangalam
IJHPCA
2007
114views more  IJHPCA 2007»
9 years 2 months ago
An Approach To Data Distributions in Chapel
A key characteristic of today’s high performance computing systems is a physically distributed memory, which makes the efficient management of locality essential for taking adv...
R. E. Diaconescu, Hans P. Zima
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