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| -rw-r--r-- | src/H5Fmpio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/H5Fmpio.c b/src/H5Fmpio.c index 7214d6b..4362b62 100644 --- a/src/H5Fmpio.c +++ b/src/H5Fmpio.c @@ -694,6 +694,13 @@ H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval ) * which is rather klugey. * Would it be better to pass a parameter to low-level writes * like H5F_block_write and H5F_low_write, instead? Or...??? + * Also, when I created this mechanism I wanted to minimize + * the difference in behavior between the old way of doing things + * (i.e., all procs write) and the new way, so the writes are + * eliminated at the very lowest level, here in H5F_mpio_write. + * It may be better to rethink that, and short-circuit the writes + * at a higher level (e.g., at the points in the code where + * H5F_mpio_tas_allsame is called). * * Errors: * IO WRITEERROR MPI_File_write_at failed. |