Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Jahed Djomehri"'
Autor:
Subhash Saini, Steve Heistand, Rupak Biswas, Arthur Lazanoff, Piyush Mehrotra, Robert Hood, Haoqiang Jin, Jahed Djomehri
Publikováno v:
Concurrency and Computation: Practice and Experience. 28:1041-1055
Cloud computing environments are now widely available and are being increasingly utilized for technical computing. They are also being touted for high-performance computing HPC applications in science and engineering. For example, Amazon Elastic Comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::674dc1ba99a345fef993bab6c332649a
https://doi.org/10.1002/cpe.3029
https://doi.org/10.1002/cpe.3029
Publikováno v:
The International Journal of High Performance Computing Applications. 22:97-112
Columbia, NASA's 10,240-processor supercluster, has been ranked as one of the fastest computers in the world since November 2004. In this paper we examine the performance characteristics of its production subclusters, which are typically configuratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fefc785f4f2c98a3ea74e61f9de62d52
https://doi.org/10.1177/1094342006085021
https://doi.org/10.1177/1094342006085021
Autor:
Andrew Canning, John Shalf, Rob F. Van der Wijngaart, Rupak Biswas, Stephane Ethier, M. Jahed Djomehri, David Skinner, Leonid Oliker, Jonathan Carter
Publikováno v:
Concurrency and Computation: Practice and Experience. 17:69-93
The growing gap between sustained and peak performance for scientific applications is a well-known problem in high performance computing. The recent development of parallel vector systems offers the potential to reduce this gap for many computational
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d19bd119bbea5779075d9ede04ed5887
https://doi.org/10.1002/cpe.884
https://doi.org/10.1002/cpe.884
Autor:
Roger C. Strawn, M. Jahed Djomehri
Publikováno v:
Journal of Aircraft. 39:786-793
Steady-state Reynolds-averaged Navier ‐Stokes computations are presented for a range of UH-60A model-rotor testcasesinhover. Thecomputationsaredesignedto assessgrid-related effectson thenumericalresultsandemploy 1)structuredoversetgridswithhighreso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b75789f0bf15b0192817a058360990
https://doi.org/10.2514/2.3024
https://doi.org/10.2514/2.3024
Autor:
Rupak Biswas, Piyush Mehrotra, Dennis C. Jespersen, Haoqiang Jin, William Arasin, Huiyu Feng, Robert Hood, Jahed Djomehri, Subhash Saini
Publikováno v:
SC
Intel recently introduced the Xeon Phi coprocessor based on the Many Integrated Core architecture featuring 60 cores with a peak performance of 1.0 Tflop/s. NASA has deployed a 128-node SGI Rackable system where each node has two Intel Xeon E2670 8-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc42c14beedb5152de1958f96ce7241d
https://doi.org/10.1145/2503210.2503272
https://doi.org/10.1145/2503210.2503272
Autor:
Arthur Lazanoff, Rupak Biswas, Piyush Mehrotra, Subhash Saini, Steve Heistand, Robert Hood, Jahed Djomehri, Haoqiang Jin
Publikováno v:
Proceedings of the 3rd workshop on Scientific Cloud Computing.
Cloud computing environments are now widely available and are being increasingly utilized for technical computing. They are also being touted for high-performance computing (HPC) applications in science and engineering. For example, Amazon EC2 Servic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc425b0305109bf820b7ead3d4cc3d8e
https://doi.org/10.1145/2287036.2287045
https://doi.org/10.1145/2287036.2287045
Autor:
Rupak Biswas, Jahed Djomehri, Piyush Mehrotra, Sharad Gavali, Johnny Chang, Haoqiang Jin, Dennis C. Jespersen, Robert Hood, Kenichi Taylor
Publikováno v:
IPDPS
Resource sharing in commodity multicore processors can have a significant impact on the performance of production applications. In this paper we use a differential performance analysis methodology to quantify the costs of contention for resources in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b47e42ee9ff668b675898a2302917c2
https://doi.org/10.1109/ipdps.2010.5470399
https://doi.org/10.1109/ipdps.2010.5470399
Publikováno v:
2008 SC - International Conference for High Performance Computing, Networking, Storage and Analysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c094633feb2b3ffaaaea5efc2c09582
https://doi.org/10.1109/sc.2008.5222565
https://doi.org/10.1109/sc.2008.5222565
Publikováno v:
IPDPS
Suitability of the next generation of high-performance computing systems for petascale simulations will depend on a balance between factors such as processor performance, memory performance, local and global network performance, and Input/Output (HO)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2562bbd8d3f631f44f33b495e732d412
https://doi.org/10.1109/ipdps.2008.4536495
https://doi.org/10.1109/ipdps.2008.4536495
Autor:
Michael J. Aftosmis, Robert Hood, Marsha Berger, Haoqiang Jin, Cetin C. Kiris, M. Jahed Djomehri, Rupak Biswas
Publikováno v:
44th AIAA Aerospace Sciences Meeting and Exhibit.
Columbia is a 10,240-processor supercluster consisting of 20 Altix nodes with 512 processors each, and currently ranked as one of the fastest computers in the world. In this paper, we investigate its suitability as a capability computing platform for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02a7d0b48d024bba75862042bd3efc8f
https://doi.org/10.2514/6.2006-84
https://doi.org/10.2514/6.2006-84