From ae75140eaf5bb0fb6f8db433add40729501274cc Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <matthieu.schaller@durham.ac.uk>
Date: Mon, 7 Mar 2016 19:01:04 +0000
Subject: [PATCH] Make sure the HDF5 dataset chunks are smaller than the
dataset itself.
---
src/serial_io.c | 3 +++
src/single_io.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/src/serial_io.c b/src/serial_io.c
index 1bf43a3432..b189df53c0 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -201,6 +201,9 @@ void prepareArray(hid_t grp, char* fileName, FILE* xmfFile, char* name,
chunk_shape[1] = 0;
}
+ /* Make sure the chunks are not larger than the dataset */
+ if (chunk_shape[0] > N) chunk_shape[0] = N;
+
/* Change shape of data space */
h_err = H5Sset_extent_simple(h_space, rank, shape, NULL);
if (h_err < 0) {
diff --git a/src/single_io.c b/src/single_io.c
index 6547b417c8..f3225ecf48 100644
--- a/src/single_io.c
+++ b/src/single_io.c
@@ -199,6 +199,9 @@ void writeArrayBackEnd(hid_t grp, char* fileName, FILE* xmfFile, char* name,
chunk_shape[1] = 0;
}
+ /* Make sure the chunks are not larger than the dataset */
+ if (chunk_shape[0] > N) chunk_shape[0] = N;
+
/* Change shape of data space */
h_err = H5Sset_extent_simple(h_space, rank, shape, NULL);
if (h_err < 0) {
--
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