summaryrefslogtreecommitdiffstats
path: root/testpar/testphdf5.c
diff options
context:
space:
mode:
Diffstat (limited to 'testpar/testphdf5.c')
-rw-r--r--testpar/testphdf5.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/testpar/testphdf5.c b/testpar/testphdf5.c
index f286dbd..9085f19 100644
--- a/testpar/testphdf5.c
+++ b/testpar/testphdf5.c
@@ -14,11 +14,15 @@ int chunkdim1;
int nerrors = 0; /* errors count */
int verbose = 0; /* verbose, default as no. */
+/* FilePrefix defines where the temporary parallel test files should be. */
+/* In a parallel system, filesystem suitable for compiling are unlikly */
+/* the right place for parallel I/O. There is no common used pathname */
+/* for the parallel file system. So, /tmp is used as the default. */
#ifdef __PUMAGON__
/* For the PFS of TFLOPS */
char *fileprefix = "pfs:/pfs_grande/multi/tmp_1/";
#else
-char *fileprefix = NULL; /* file prefix, default as NULL */
+char *fileprefix = "/tmp/";
#endif
size_t fileprefixlen; /* file prefix length */