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» Performance Analysis of MPI Collective Operations
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ISPAN
2005
IEEE
15 years 3 months ago
An Efficient MPI-IO for Noncontiguous Data Access over InfiniBand
Noncontiguous data access is a very common access pattern in many scientific applications. Using POSIX I/O to access many pieces of noncontiguous data segments will generate a lot...
Ding-Yong Hong, Ching-Wen You, Yeh-Ching Chung
IISWC
2006
IEEE
15 years 3 months ago
Characterization of Scientific Workloads on Systems with Multi-Core Processors
Multi-core processors are planned for virtually all next-generation HPC systems. In a preliminary evaluation of AMD Opteron Dual-Core processor systems, we investigated the scaling...
Sadaf R. Alam, Richard F. Barrett, Jeffery A. Kueh...
OSDI
2008
ACM
15 years 10 months ago
Disk Drive Workload Captured in Logs Collected During the Field Return Incoming Test
Hard disk drives returned back to Seagate undergo the Field Return Incoming Test. During the test, the available logs in disk drives are collected, if possible. These logs contain...
Alma Riska, Erik Riedel
LISA
2004
14 years 11 months ago
More Netflow Tools for Performance and Security
Analysis of network traffic is becoming increasingly important, not just for determining network characteristics and anticipating requirements, but also for security analysis. Sev...
Carrie Gates, Michael Collins, Michael Duggan, And...
69
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IPPS
2002
IEEE
15 years 2 months ago
Communication Characteristics of Large-Scale Scientific Applications for Contemporary Cluster Architectures
This paper examines the explicit communication characteristics of several sophisticated scientific applications, which, by themselves, constitute a representative suite of publicl...
Jeffrey S. Vetter, Frank Mueller