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An Application-Based Performance Evaluation of NASAs Nebula Cloud Computing PlatformThe high performance computing (HPC) community has shown tremendous interest in exploring cloud computing as it promises high potential. In this paper, we examine the feasibility, performance, and scalability of production quality scientific and engineering applications of interest to NASA on NASA's cloud computing platform, called Nebula, hosted at Ames Research Center. This work represents the comprehensive evaluation of Nebula using NUTTCP, HPCC, NPB, I/O, and MPI function benchmarks as well as four applications representative of the NASA HPC workload. Specifically, we compare Nebula performance on some of these benchmarks and applications to that of NASA s Pleiades supercomputer, a traditional HPC system. We also investigate the impact of virtIO and jumbo frames on interconnect performance. Overall results indicate that on Nebula (i) virtIO and jumbo frames improve network bandwidth by a factor of 5x, (ii) there is a significant virtualization layer overhead of about 10% to 25%, (iii) write performance is lower by a factor of 25x, (iv) latency for short MPI messages is very high, and (v) overall performance is 15% to 48% lower than that on Pleiades for NASA HPC applications. We also comment on the usability of the cloud platform.
Document ID
20130000560
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Saini, Subhash (NASA Ames Research Center Moffett Field, CA, United States)
Heistand, Steve (Computer Sciences Corp. Moffett Field, CA, United States)
Jin, Haoqiang (NASA Ames Research Center Moffett Field, CA, United States)
Chang, Johnny (Computer Sciences Corp. Moffett Field, CA, United States)
Hood, Robert T. (Computer Sciences Corp. Moffett Field, CA, United States)
Mehrotra, Piyush (NASA Ames Research Center Moffett Field, CA, United States)
Biswas, Rupak (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 27, 2013
Publication Date
June 25, 2012
Subject Category
Computer Systems
Report/Patent Number
ARC-E-DAA-TN5169
Meeting Information
Meeting: 14th IEEE International Conferenc eon HPCC-2012
Location: Liverpool
Country: United Kingdom
Start Date: June 25, 2012
Sponsors: Institute of Electrical and Electronics Engineers
Funding Number(s)
CONTRACT_GRANT: NNA07CA29C
Distribution Limits
Public
Copyright
Public Use Permitted.

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