Linux OS Jitter Measurements at Large Node Counts using a BlueGene/L

Technical Report · Thu Dec 31 23:00:00 EST 2009

DOI:https://doi.org/10.2172/971232· OSTI ID:971232

Jones, Terry R ^[1]; Tauferner, Mr. Andrew ^[2]; Inglett, Mr. Todd ^[2]

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1. ORNL
2. IBM T. J. Watson Research Center

We present experimental results for a coordinated scheduling implementation of the Linux operating system. Results were collected on an IBM Blue Gene/L machine at scales up to 16K nodes. Our results indicate coordinated scheduling was able to provide a dramatic improvement in scaling performance for two applications characterized as bulk synchronous parallel programs.

• Research Organization: Oak Ridge National Laboratory (ORNL)
• Sponsoring Organization: SC USDOE - Office of Science (SC)
• DOE Contract Number: AC05-00OR22725
• OSTI ID: 971232
• Report Number(s): ORNL/TM-2009/303; KJ0402000; ERKJT17
• Country of Publication: United States
• Language: English

Related Subjects

59 BASIC BIOLOGICAL SCIENCES
99 GENERAL AND MISCELLANEOUS
COMMUNICATIONS
Colony
Coordinated Scheduling
DESIGN
GENES
IMPLEMENTATION
Jitter
KERNELS
Linux
MODIFICATIONS
Noise
Operating System
PERFORMANCE
Parallel Aware Scheduling
TESTING