'Mpi comm comm' presentation slideshows

Friday, October 20, 2006

635 views • 52 slides

Summary of MPI commands Luis Basurto

Summary of MPI commands Luis Basurto. Large scale systems. Shared Memory systems Memory is shared among processors Distributed memory systems Each processor has its own memory. MPI. Created in 1993 as an open standard by large scale system users and creators.

448 views • 25 slides

MPI-2

MPI-2. Functional Explorations of Additions to MPI. Ryan Johnsonbaugh. MPI-2 Additions. - Naming Changes - Process Creation and Management - One-Sided Communications - Extended Collective Operations - External Interfaces - I/O. Naming Changes. - Class_action_subset

385 views • 23 slides

MPI_Gatherv

MPI_Gatherv. CISC372 Fall 2006 Andrew Toy Tom Lynch Bill Meehan. Before. Before. After. Syntax of MPI_Gatherv. int MPI_Gatherv ( void *sendbuf, int sendcnt, MPI_Datatype sendtype, void *recvbuf, int *recvcnts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm ).

964 views • 14 slides

MPI_Gatherv

MPI_Gatherv. CISC372 Fall 2006 Andrew Toy Tom Lynch Bill Meehan. Before. Before. After. Syntax of MPI_Gatherv. int MPI_Gatherv ( void *sendbuf, int sendcnt, MPI_Datatype sendtype, void *recvbuf, int *recvcnts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm ).

385 views • 14 slides

Process Groups & Communicators

Process Groups & Communicators. Communicator is a group of processes that can communicate with one another. Can create sub-groups of processes, or sub-communicators Cannot create process groups or sub-communicators from scratch

273 views • 13 slides

Process Groups & Communicators

Process Groups & Communicators. Communicator is a group of processes that can communicate with one another. Can create sub-groups of processes, or sub-communicators Cannot create process groups or sub-communicators from scratch

131 views • 13 slides

PP Lab

PP Lab. MPI programming VI. Program 1. Write a parallel program that calculates the sum of all numbers in a vector. Calculate the partial sums . Add the partial sums for the final answer. Functions to be used. MPI_Scatter: Sends data from one task to all other tasks in a group. Synopsis:

235 views • 6 slides