'Omp end' presentation slideshows

Programming the Origin2000 with OpenMP: Part II

Programming the Origin2000 with OpenMP: Part II. William Magro Kuck & Associates, Inc. Outline. A Simple OpenMP Example Analysis and Adaptation Debugging Performance Tuning Advanced Topics. x. y. 1. n. A Simple Example. dotprod.f. real*8 function ddot(n,x,y) integer n

623 views • 54 slides

! serail code to demo data-sharing later program sharing-seq implicit none

/home/jemmyhu/CES706/openmp/Fortran/synch/. ! serail code to demo data-sharing later program sharing-seq implicit none integer, parameter :: N = 50000000 integer(selected_int_kind(17)) :: x(N) integer(selected_int_kind(17)) :: total integer :: i do i = 1, N x(i) = i

645 views • 46 slides

OpenMP

OpenMP. A Standard for Shared Memory Parallel Programming. Seyong Lee Purdue University School of Electrical and Computer Engineering. Overview. Introduction to OpenMP OpenMP Programming Model OpenMP Directives Run-Time Library Routine Environment Variables Summary.

684 views • 44 slides

Hybrid OpenMP and MPI Programming and Tuning

Hybrid OpenMP and MPI Programming and Tuning. Yun (Helen) He and Chris Ding Lawrence Berkeley National Laboratory. Outline. Introduction Why Hybrid Compile, Link, and Run Parallelization Strategies Simple Example: Ax=b MPI_init_thread Choices Debug and Tune Examples

599 views • 36 slides

OpenMP Part 2

332 views • 33 slides

Performance-Driven Processor Allocation

Performance-Driven Processor Allocation. Julita Corbalan, Xavier Martorell, Jesus Labarta {juli,xavim,jesus}@ac.upc.es DAC-UPC. Objective. Scheduling parallel applications in Shared Memory Multiprogrammed systems

372 views • 28 slides

Short introduction to OpenMP

Short introduction to OpenMP. Jure Jerman, Environmental Agency of Slovenia. Outline. Motivation and Introduction Basic OpenMP structures Description of exercise Warning: far from being comprehensive introduction to OpenMP. Motivation.

410 views • 23 slides

CS4961 Parallel Programming Lecture 9: Task Parallelism in OpenMP Mary Hall September 22, 2009

449 views • 21 slides

Comparing Cray Tasking and OpenMP NERSC User Services

Comparing Cray Tasking and OpenMP NERSC User Services. Overview of Cray Tasking Overview of OpenMP Directives Comparison Mixing OpenMP with MPI. Cray Shared-Memory Multiprocessors. 1982: X-MP 1, 2, or 4 processors 1985: Cray-2 4 processors 1988: Y-MP 8 processors

312 views • 20 slides

OpenMP Parallel Directives for Fortran Scientific Computing Department SDSC

OpenMP Parallel Directives for Fortran Scientific Computing Department SDSC. OpenMP and Directives. OpenMP is a parallel programming system based on Fortran directives

341 views • 19 slides

Chunlin Tian NAOC Beijing 2011

Chunlin Tian NAOC Beijing 2011. High Performance Computation --- A Practical Introduction. Outline. Parallelization techniques OpenMP: do-loop based MPI: communication Auto-parallelization, CUDA Remark: It is at introduction level It is NOT a comprehensive introduction. Introduction.

314 views • 18 slides