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MPI on the Grid

MPI on the Grid

MPI on the Grid. William Gropp Mathematics and Computer Science Argonne National Laboratory http://www.mcs.anl.gov/~gropp With help from Rusty Lusk, Nick Karonis. Outline. Why MPI? MPI Point-to-point communication MPI Collective communication Performance and Debugging MPICHG2.

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969 views • 84 slides
MPI on the Grid

MPI on the Grid

MPI on the Grid. William Gropp Mathematics and Computer Science Argonne National Laboratory http://www.mcs.anl.gov/~gropp With help from Rusty Lusk, Nick Karonis. Outline. Why MPI? MPI Point-to-point communication MPI Collective communication Performance and Debugging MPICHG2.

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844 views • 84 slides
Message-Passing Computing Collective patterns and MPI routines 2 - Synchronizing Computations

Message-Passing Computing Collective patterns and MPI routines 2 - Synchronizing Computations

Message-Passing Computing Collective patterns and MPI routines 2 - Synchronizing Computations Barriers implementations Safety and deadlock Safe MPI routines. 6a. 1. ITCS 4/5145 Parallel computing, UNC-Charlotte, B. Wilkinson Jan 4, 2014 slides6d.ppt. Recap on synchronization.

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361 views • 35 slides
Non-Data-Communication Overheads in MPI: Analysis on Blue Gene/P

Non-Data-Communication Overheads in MPI: Analysis on Blue Gene/P

Non-Data-Communication Overheads in MPI: Analysis on Blue Gene/P. P. Balaji, A. Chan, W. Gropp , R. Thakur , E. Lusk Argonne National Laboratory University of Chicago University of Illinois, Urbana Champaign. Ultra-scale High-end Computing.

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339 views • 25 slides
Parallel Processing (CS 730) Lecture 9: Advanced Point to Point Communication

Parallel Processing (CS 730) Lecture 9: Advanced Point to Point Communication

Parallel Processing (CS 730) Lecture 9: Advanced Point to Point Communication. Jeremy R. Johnson *Parts of this lecture was derived from chapters 13 in Pacheco. Introduction. Objective: To further examine message passing communication patterns. Topics Implementing Allgather Ring

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348 views • 23 slides
Topic Overview

Topic Overview

Topic Overview. Matrix-Matrix Multiplication Block Matrix Operations A Simple Parallel Matrix-Matrix Multiplication Cannon's Algorithm Overlapping Communication with Computation. Matrix-Matrix Multiplication .

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719 views • 19 slides
Point-to-Point Communication

Point-to-Point Communication

Point-to-Point Communication. Self Test with solution. Self Test. MPI_SEND is used to send an array of 10 4-byte integers. At the time MPI_SEND is called, MPI has over 50 Kbytes of internal message buffer free on the sending process. Choose the best answer.

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157 views • 15 slides

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