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Introduction to the ACTS Collection. Why/How Do We Use These Tools? Tony Drummond ... The DOE ACTS Collection (http://acts.nersc.gov) 7. Hypre Conceptual Interfaces ...
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Motivation for new Sca/LAPACK. Challenges (or research opportunities...) Goals of new Sca/LAPACK ... van de Geijn/Quintana-Orti, Howell / Fulton, Bischof / Lang ...
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For all linear algebra problems. For all matrix structures. For all data types ... Only get 'matrix close to singular' message when answer wrong? Extends to ...
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Jack Dongarra, Victor Eijkhout, Julien Langou, Julie Langou, Piotr Luszczek, Stan Tomov ... calls to ILAENV() to get block sizes, etc. Not systematically tuned ...
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Opportunities and demands of new architectures, programming languages. New releases planned (NSF support) Your feedback desired. www.netlib.org/lapack-dev ...
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Best choice can depend on knowing a lot of applied mathematics and ... Algorithm and its implementation may strongly depend on data only known at run-time ...
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PeIGS, Scalapack, SUMMA, Tao. example: to solve a linear system using LU factorization ... SUMMA Matrix Multiplication: Improvement over PBLAS/ScaLAPACK. Global ...
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BLAS, LAPACK, ScaLAPACK, ARPACK. 3.2.3. MUMPS: Direct ... MKL (Blas/Lapack): basic mathematical library. RG, 2005/2006. HPC Methods. 21. Software on Pleiades ...
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Motivation, overview for Dense Linear Algebra. Review Gaussian Elimination (GE) for ... Rest of DLA what's it like (not GEPP) Missing from ScaLAPACK - projects ...
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Provides a working example for matrix-vector multiplication, using ScaLAPACK ... Reduce a symmetric matrix to tridiagonal form ...
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LAPACK SEMINAR, UC Berkeley, 1st March 2006. PARALLEL ... ScaMPI. Tasks schedule. OpenPBS. Numerical libraries. BLAS, LAPACK, ScaLAPACK. Programming language ...
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Efficient Use of Memory Hierarchy, Portable, Scalable, ... Blas, Linpack, LAPACK, SCALAPACK. ATLAS. Libraries. PVL, Blitz , MTL. Libraries ...
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... node for interactive use, compiling, testing, etc. ... c (compile only; do not link) ... BLACS, PBLAS, and ScaLAPACK (compile with mpif77 or mpif90, link with ...
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Title: ScaLAPACK Project Author: Jack Dongarra Last modified by: Jack Dongarra Created Date: 5/28/1995 4:26:58 PM Document presentation format: On-screen Show
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libwc (write-combine Cougar libraries) ScaLAPACK (Parallel Linear Alegra Package) ... Three versions (like libcsmath), but only available on Cougar ...
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PETSc, Aztec, Hypre, ScaLAPACK, SuperLU, PVODE, Opt Structural (Frameworks) ... Aztec. User input matrix in DMSR or DVBR format. Aztec sets up its own data ...
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04-lila. Integrating a ScaLAPACK call in an MPI code (for Householder QRF) ... RFP: Trick to have continuous memory for triangular matrices (for CholeskyQR) ...
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Title: PC Author: Takeshi OGITA Last modified by: Shin'ichi Oishi Created Date: 9/7/2001 2:02:40 PM Document presentation format
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and considered a bracketing algorithm to be correct if ... and, if required, it corrects to be smaller than . 18. An alternative algorithm (1) ...
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Susan Blackford, UT. Jaeyoung Choi, Soongsil U. Andy Cleary, LLNL. Ed ... Jack Dongarra, UT/ORNL. Sven Hammarling, NAG. Greg Henry, Intel. Osni Marques, NERSC ...
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... TOPS 500, by year .13M. 6768 .3. 1 .28. Intel Paragon XP/S MP. 1995. ... Parallel time = O( tf N3/2 / P tv ( N / P1/2 N1/2 P log P ) ) Performance model 2 ...
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High Performance Computing An overview Alan Edelman Massachusetts Institute of Technology Applied Mathematics & Computer Science and AI Labs (Interactive ...
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Eigenvalue Problems in Nanoscale Materials Modeling Hong Zhang Computer Science, Illinois Institute of Technology Mathematics and Computer Science, Argonne National ...
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Algorithms that attain them (all dense linear algebra, some sparse) ... Can we attain these lower bounds? Do conventional dense algorithms as implemented in ...
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Communication avoiding algorithms in dense linear algebra Laura Grigori ALPINES INRIA Rocquencourt - LJLL, UPMC On sabbatical at UC Berkeley
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C mputo paralelo para el an lisis de la din mica de fluidos computacional Contenido Marco de referencia Arquitectura de computadoras paralelas Lenguajes de ...
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... MFS(Mosix kernel)... 2 NIS (Unix Linux) NIS+(Solaris) NT 3 MPI PVM Linda, HPF, ...
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Sparse Direct Solvers for Ax= b. Automatic Performance Tuning of Sparse Kernels ... Antoine Petitet, UT. Ken Stanley, UCB. David Walker, Cardiff U. Clint Whaley, UT ...
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Optical property of nanocrystal (Yun) optoelectronics, biology ... by ab initio method. Find the phase which minimize Gibbs free energy, ...
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Parallel Programming & Cluster Computing Linear Algebra Henry Neeman, University of Oklahoma Paul Gray, University of Northern Iowa SC08 Education Program s ...
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Hardware Configuration. 1 master node 64 compute nodes ... Hardware Configuration. Compute Nodes. Dell PE2650, P4-Xeon 2.8GHz x 2. 2GB RAM, 36GB U160 SCSI HD ...
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... of BLAS has been released, developed by Kazushige Goto (currently at UT Austin) ... C. L. Lawson, R. J. Hanson, D. Kincaid, and F. T. Krogh, Basic Linear Algebra ...
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Title: No Slide Title Author: Osni Marques Last modified by. Created Date: 3/17/1999 12:47:52 AM Document presentation format: On-screen Show Other titles
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Performance Modeling and Contracts Ruth Aydt Dan Reed Celso Mendes Fredrik Vraalsen Pablo Research Group Department of Computer Science
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Research in computational sciences is fundamentally interdisciplinary ... Discussions about standardizing interfaces are often sidetracked into implementation issues ...
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Purpose of a scientific library is to provide highly tuned versions of common ... LUx=b with single precision but keep a copy of A in double precision ...
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... .50 36950.80 31567.00 3000.00 21280.79 11726.80 43499.70 34729.00 4000.00 23899.00 16053.70 45992.20 36972.00 5000.00 27097.69 19615.30 47437.90 37889.00 6000 ...
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Goal: Algorithms that communicate as little as possible for: ... Grey Ballard, UCB EECS. Ioana Dumitriu, U. Washington. Laura Grigori, INRIA. Ming Gu, UCB Math ...
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Today: Condor. Support for matching application requirements to resources ... Can extend to Grid via Globus (Condor-G) What is missing? ...
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University of Illinois Department of Computer Science. Performance Modeling ... opus. major & torc. GrADS Project. Cluster the (projected) system space points ...
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... 80 35327.00 28964.00 10000.00 25946.11 23761.80 35628.20 29226.00 11000.00 26531.72 24562.00 35940.70 29170.00 12000.00 25897.24 25309.80 36132.90 29512.00 ...
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Based on s by Jim Demmel and others
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Preinvented Wheels ... Binary Portability: Big Problem ... data portability is a very big problem in scientific computing, because data ...
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Paul Gray, University of Northern Iowa. SC08 Education Program's Workshop on Parallel & Cluster Computing ... Henry, A. Petitet, K. Stanley, D. Walker, R. C. ...
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The Past, Present and Future of High Performance Numerical Linear Algebra: Minimizing Communication Jim Demmel EECS & Math Departments UC Berkeley
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Tailor performance & provide support ... Make as few changes as possible to the ... Make decisions on which machines to use based on the user's problem and the ...
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Divide-and-conquer (STEDC): all eigenvectors, faster than the the previous two ... PDSYEVD: parallel divide and conquer (F. Tisseur) PDSYEVR: MRRR (C. V mel) ...
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SAN DIEGO SUPERCOMPUTER CENTER. UNIVERSITY OF CALIFORNIA, SAN DIEGO. Numerical Libraries in High Performance Computing ... Reminder: order of linking matters ...
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Hard To Program (MPI not good enough anymore) Community Needs Interactive ... Contact Us Now ... Is Not Your Preferred Environment, Please Talk To Us! ...
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This is Comet Shoemaker-Levy 9, which hit Jupiter in 1994; the image is from 35 ... Typically, it is color coded by mapping some scalar variable to color (e.g., low ...
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High Performance Computing and Trends, Enhancing Performance, Measurement Tools,
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Kickstart Tutorial/Seminar on using the 64-nodes P4-Xeon Cluster in Science Faculty ... a kickstart tutorial to potential cluster users in Science Faculty, HKBU ...
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Iterative methods (sparse matrix storage) ... Iterative method. A large number of eigensolutions ... Iterative method multiple shift-and-invert robusness ...
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Motivation, overview for Dense Linear Algebra. Review Gaussian Elimination ... Least squares problems: minx || A*x-b ||2. Eigenvalue problems: Ax = lx, Ax = lBx ...
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Overture. Global Arrays. PAWS. SILOON. Globus. CUMULVS. TAU. PyACTS. View_field(T1) Proposed Project ... And ACTS tools are now being widely used by ...
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Title: Optimizing Matrix Multiply Author: Kathy Yelick Description: Based on s by Jim Demmel and others Last modified by: Nicola Mastronardi Created Date
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