main
|
Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
|
Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
|
-
Property mode
set to
100644
|
|
File size:
740 bytes
|
| Line | |
|---|
| 1 | /* Out of order gathers. Error should be detected
|
|---|
| 2 | * with -deadlock=potential.
|
|---|
| 3 | */
|
|---|
| 4 | #include<mpi.h>
|
|---|
| 5 | #include<stdlib.h>
|
|---|
| 6 |
|
|---|
| 7 | int nprocs;
|
|---|
| 8 | int myrank;
|
|---|
| 9 |
|
|---|
| 10 | void main() {
|
|---|
| 11 | int argc;
|
|---|
| 12 | char **argv;
|
|---|
| 13 | double x;
|
|---|
| 14 | double *buf;
|
|---|
| 15 |
|
|---|
| 16 | MPI_Init(&argc, &argv);
|
|---|
| 17 | MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
|
|---|
| 18 | MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
|
|---|
| 19 | x=myrank;
|
|---|
| 20 | buf = (double*)malloc(nprocs*sizeof(double));
|
|---|
| 21 | if (myrank == 0) {
|
|---|
| 22 | MPI_Gather(&x, 1, MPI_DOUBLE, buf, 1, MPI_DOUBLE, 0, MPI_COMM_WORLD);
|
|---|
| 23 | MPI_Gather(&x, 1, MPI_DOUBLE, buf, 1, MPI_DOUBLE, 1, MPI_COMM_WORLD);
|
|---|
| 24 | } else {
|
|---|
| 25 | MPI_Gather(&x, 1, MPI_DOUBLE, buf, 1, MPI_DOUBLE, 1, MPI_COMM_WORLD);
|
|---|
| 26 | MPI_Gather(&x, 1, MPI_DOUBLE, buf, 1, MPI_DOUBLE, 0, MPI_COMM_WORLD);
|
|---|
| 27 | }
|
|---|
| 28 | MPI_Finalize();
|
|---|
| 29 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
