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[svn-r17318] Did some code cleanup.

Browse Source 
t_file.c: replace the old variable, color, with a more meaningfule name of
    is_old.
t_mpi.c: use the official mpi_file_delete, instead of remove, to delete a file
    in MPI environment.

Tested: 
Only jam in parallel as changes are trivial.
This commit is contained in:
Albert Cheng 2009-08-11 05:35:29 -05:00
parent 9d27b9765a
commit da73cc2d02
2 changed files with 8 additions and 6 deletions
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8
testpar/t_file.c
View File

@ -36,7 +36,7 @@ test_split_comm_access(void)
int mpi_size, mpi_rank;
MPI_Comm comm;
MPI_Info info = MPI_INFO_NULL;
int color, mrc;
int is_old, mrc;
int newrank, newprocs;
hid_t fid; /* file IDs */
hid_t acc_tpl; /* File access properties */
@ -52,13 +52,13 @@ test_split_comm_access(void)
/* set up MPI parameters */
MPI_Comm_size(MPI_COMM_WORLD,&mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD,&mpi_rank);
color = mpi_rank%2;
mrc = MPI_Comm_split (MPI_COMM_WORLD, color, mpi_rank, &comm);
is_old = mpi_rank%2;
mrc = MPI_Comm_split (MPI_COMM_WORLD, is_old, mpi_rank, &comm);
VRFY((mrc==MPI_SUCCESS), "");
MPI_Comm_size(comm,&newprocs);
MPI_Comm_rank(comm,&newrank);
if (color){
if (is_old){
/* odd-rank processes */
mrc = MPI_Barrier(comm);
VRFY((mrc==MPI_SUCCESS), "");

6
testpar/t_mpi.c
View File

@ -286,8 +286,9 @@ test_mpio_gb_file(char *filename)
VRFY((buf!=NULL), "malloc succeed");
/* open a new file. Remove it first in case it exists. */
if (MAINPROCESS)
remove(filename);
/* Must delete because MPI_File_open does not have a Truncate mode. */
/* Don't care if it has error. */
MPI_File_delete(filename, MPI_INFO_NULL);
MPI_Barrier(MPI_COMM_WORLD); /* prevent racing condition */
mrc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE|MPI_MODE_RDWR,
@ -490,6 +491,7 @@ test_mpio_1wMr(char *filename, int special_request)
/* Must delete because MPI_File_open does not have a Truncate mode. */
/* Don't care if it has error. */
MPI_File_delete(filename, MPI_INFO_NULL);
MPI_Barrier(MPI_COMM_WORLD); /* prevent racing condition */
if ((mpi_err = MPI_File_open(MPI_COMM_WORLD, filename,
MPI_MODE_RDWR | MPI_MODE_CREATE ,