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A Performance Prediction Framework for Scientific Applications [chapter]

Laura Carrington, Allan Snavely, Xiaofeng Gao, Nicole Wolter
2003 Lecture Notes in Computer Science  
Next, we map a communication trace to its corresponding information in a machine profile to get a model of the  ...  These methods are applied to the predictions of the synthetic NLOM application.  ...  4 San Diego Supercomputer Center IBM SP RS/6000 5 Percent relative error: (Real Time -Predicted Time)/(Real Time) *100.  ... 
doi:10.1007/3-540-44863-2_91 fatcat:kz6xz5wt2falhphyvydew52voy

A parallel Monte Carlo code for planar and SPECT imaging: implementation, verification and applications in 131I SPECT

Yuni K Dewaraja, Michael Ljungberg, Amitava Majumdar, Abhijit Bose, Kenneth F Koral
2002 Computer Methods and Programs in Biomedicine  
These parallelization techniques are also applicable to other distributed memory architectures.  ...  This paper reports the implementation of the SIMIND Monte Carlo code on an IBM SP2 distributed memory parallel computer.  ...  The parallel SI-MIND code was implemented on the RS/6000 Scalable Power Parallel 2 (SP2) system from IBM [19] .  ... 
doi:10.1016/s0169-2607(01)00121-3 pmid:11809318 pmcid:PMC2831216 fatcat:b5iylndyy5hqjma5j6rtuxmzam

An Empirical Performance Evaluation of Scalable Scientific Applications

J.S. Vetter, A. Yoo
2002 ACM/IEEE SC 2002 Conference (SC'02)  
We also find specific characteristics of some applications that limit performance.  ...  We investigate the scalability, architectural requirements, and performance characteristics of eight scalable scientific applications.  ...  Acknowledgments We wish to thank the ASCI Purple Benchmark Team and the application developers for making these benchmarks available, and the anonymous reviewers for their detailed comments.  ... 
doi:10.1109/sc.2002.10036 dblp:conf/sc/VetterY02 fatcat:uv2itucn6naztd5ug3pcf37p4q

IBM research in interactive data mining and scientific computing

Edward R. Kral
1997 Behavoir research methods, instruments & computers  
In addition, the current IBM line of hardware and support software for scientific computing is briefly described.  ...  A number of research and development efforts from IBM are described in the areas of data mining and visualization of large data sets.  ...  The RS/6000 line ofhardware provides platforms for every scale ofanalysis, from port-ables utilizing the PowerPC 603e chip to the RS/6000 Scalable POWERParallel machine (SP), a scalable, distributed memory  ... 
doi:10.3758/bf03200579 fatcat:dtnfigbctrh3pjz2v4d2t5vi7m

Dynamic load balancing of MPI+OpenMP applications

J. Corbalan, A. Duran, J. Labarta
2004 International Conference on Parallel Processing, 2004. ICPP 2004.  
Results show that this method can balance effectively applications without analyzing nor modifying them and that in the cases that the application was well balanced does not incur in a great overhead for  ...  In this paper we present an automatic and dynamic approach for load balancing MPI+OpenMP applications.  ...  Acknowledgements This work has been supported by the Spanish Ministry of Education under grant CYCIT TIC2001-0995-C02-01, the ESPRIT Project POP (IST -2001-33071) and by the IBM CAS Program.  ... 
doi:10.1109/icpp.2004.1327921 dblp:conf/icpp/CorbalanDL04 fatcat:djglhikdyzbkbm2inc5ofhjic4

MODIS direct broadcast products and applications

Kathleen I. Strabala, Liam E. Gumley, Thomas D. Rink, Hung-Lung Huang, Russ Dengel, Hung-Lung Huang, Daren Lu, Yasuhiro Sasano
2003 Optical Remote Sensing of the Atmosphere and Clouds III  
The current suite of IMAPP MODIS products includes navigation and calibration (L1B), cloud mask and cloud top properties, including thermodynamic phase, and atmospheric profiles and water vapor retrievals  ...  MODIS data produced from the University of Wisconsin direct broadcast automated processing is used for a variety of science applications, including calibration and product validation.  ...  MIPS, IRIX 6.5 Sun Ultra, SunOS 5.7 IBM RS/6000, AIX 4.3 HP PA-RISC, HP-UX B.10.20 Intel Pentium, Linux 2.2.12-20 Intel Pentium, Solarisx86 2.5.1 Table 1 . 1 Radiance comparison (scaled integers  ... 
doi:10.1117/12.466347 fatcat:sxom2324ond3lc3umcpcbbwmhy

Renumbering unstructured grids to improve the performance of codes on hierarchical memory machines

D.A. Burgess, M.B. Giles
1997 Advances in Engineering Software  
The simulated and actual timings show that bandwidth reduction and Greedy methods give the best performance on IBM RS/6000, SGI Indy, SGI Indigo and SGI Power Challenge machines for three-dimensional Poissons's  ...  To design a good renumbering scheme a detailed runtime analysis of the data movement in an application code is needed.  ...  The authors would like to thank: Ron Bell (IBM Corp.) for his helpful suggestions on the simulator; Nigel 'Weatherill (Swansea University) for providing grids for the Euler computation; Paul Wesson and  ... 
doi:10.1016/s0965-9978(96)00039-7 fatcat:ff5q6migebdd5pghr3artigbn4

Implementing efficient MPI on LAPI for IBM RS/6000 SP systems: Experiences and performance evaluation

M. Banikazemi, R.K. Govindaraju, R. Blackmore, D.K. Panda
Proceedings 13th International Parallel Processing Symposium and 10th Symposium on Parallel and Distributed Processing. IPPS/SPDP 1999  
The IBM RS/6000 SP system is one of the most costeffective commercially available high performance machines. IBM RS/6000 SP systems support the Message Passing Interface standard (MPI) and LAPI.  ...  LAPI is a low level, reliable and efficient one sided communication API library, implemented on IBM RS/6000 SP systems.  ...  Disclaimer MPI-LAPI is not a part of any IBM product and no assumptions should be made regarding its availability as a product.  ... 
doi:10.1109/ipps.1999.760457 dblp:conf/ipps/BanikazemiGBP99 fatcat:xvapduvdjva3pgphxfkxdht2gm

Mapping clinically useful terminology to a controlled medical vocabulary

R C Barrows, J J Cimino, P D Clayton
1994 Proceedings. Symposium on Computer Applications in Medical Care  
RS/6000.  ...  Profile term.  ... 
pmid:7949922 pmcid:PMC2247832 fatcat:piiwvvu7pfhslcl3r3ajfpdydu

Network information security in a phase III Integrated Academic Information Management System (IAIMS)

S Shea, S Sengupta, A Crosswell, P D Clayton
1992 Proceedings. Symposium on Computer Applications in Medical Care  
"One-stop information shopping" implies one log-on procedure per session, not separate log-on and log-off procedures for each server or application used during a session.  ...  15000, one IBM AS/400, and multiple Unixbased minicomputers such as DEC 5000, DEC 3100, IBM RS/6000, and AT&T 3B2.  ...  profiles of patients, clinical profiles of ambulatory patients, and other clinical data), the Library Information System (Medline, CLIOan on-line catalogue of library holdingsand several locally mounted  ... 
pmid:1336414 pmcid:PMC2248133 fatcat:xiyvq5nuljcctczuvnry737s4a

A historical application profiler for use by parallel schedulers [chapter]

Richard Gibbons
1997 Lecture Notes in Computer Science  
The system has 85 users using IBM RS/6000 FCFS, and fairshare are used to schedule the system.  ...  The system consists of 60 SUN, HP, SGI, and IBM RS/6000 workstations running primarily over an Ethernet network, but also over FDDI and ATM networks.  ... 
doi:10.1007/3-540-63574-2_16 fatcat:skmysdl35nh2za5pwsofmzczou

Performance and experience with LAPI-a new high-performance communication library for the IBM RS/6000 SP

G. Shah, J. Nieplocha, J. Mirza, C. Kim, R. Harrison, R.K. Govindaraju, K. Gildea, P. DiNicola, C. Bender
Proceedings of the First Merged International Parallel Processing Symposium and Symposium on Parallel and Distributed Processing  
IBM developed LAPI as a part of a project with Pacific Northwest National Laboratory (PNNL) to optimize the performance of the Global Arrays (GA) toolkit and its applications on the IBM RS/6000 SP.  ...  LAPI is a low-level, high-performance communication interface available on the IBM RS/6000 SP system.  ...  Concluding Remarks LAPI is a new low-level communication library on the IBM RS/6000 SP system.  ... 
doi:10.1109/ipps.1998.669923 dblp:conf/ipps/ShahNMKHGGDB98 fatcat:dzmadxynojfythckjeytcbvf7u

Online feedback-directed optimization of Java

Matthew Arnold, Michael Hind, Barbara G. Ryder
2002 Proceedings of the 17th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications - OOPSLA '02  
The system is fully automatic; it requires no prior (offline) profiling run.  ...  It uses a previously developed low-overhead instrumentation sampling framework to collect control flow graph edge profiles.  ...  ACKNOWLEDGMENTS We would like to thank IBM Research and the entire Jikes RVM team for providing the infrastructure to make this research possible.  ... 
doi:10.1145/582419.582432 dblp:conf/oopsla/ArnoldHR02 fatcat:rymxxmbsd5eslkxxaxa5fqhzwa

Online feedback-directed optimization of Java

Matthew Arnold, Michael Hind, Barbara G. Ryder
2002 Proceedings of the 17th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications - OOPSLA '02  
The system is fully automatic; it requires no prior (offline) profiling run.  ...  It uses a previously developed low-overhead instrumentation sampling framework to collect control flow graph edge profiles.  ...  ACKNOWLEDGMENTS We would like to thank IBM Research and the entire Jikes RVM team for providing the infrastructure to make this research possible.  ... 
doi:10.1145/582431.582432 fatcat:gsl4mu5r2vh4znpftmomf5b6ta

Application of an element-by-element BiCGSTAB iterative solver to a monotonic finite element model

T.W.H. Sheu, C.C. Fang, S.F. Tsai
1999 Computers and Mathematics with Applications  
The authors would like to thank the Computer Center of National Taiwan University and the National Center for High-performance Computing (NCHC) for providing CRAY J916 and IBM RS/6000-590 computers, which  ...  To broaden the application scope, we add grid adaptivity to the formulation as described in Section 3.  ...  This rather restrictive constraint on the range of Peclet numbers limits application to practical calculations.  ... 
doi:10.1016/s0898-1221(99)00046-2 fatcat:cf7pygfffrayrbgd4gp322jfaq
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