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authorQuincey Koziol <koziol@hdfgroup.org>2004-04-13 18:30:13 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2004-04-13 18:30:13 (GMT)
commit10579b3641b648fd64074fd098d904b7a348a48e (patch)
tree06fb559a835a2bc74881cee6039e3494b252b1f8 /src/H5Dprivate.h
parentacaf0a0107c8cea8f5ec06f5cf6bf0aa2818c031 (diff)
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[svn-r8346] Purpose:
Code optimization Description: Eliminate memory allocations for I/O vectors when using the default vector size. Platforms tested: Solaris 2.7 (arabica) FreeBSD 4.9 (sleipnir) too minor to require h5committest
Diffstat (limited to 'src/H5Dprivate.h')
-rw-r--r--src/H5Dprivate.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/H5Dprivate.h b/src/H5Dprivate.h
index 7068ff5..eff4345 100644
--- a/src/H5Dprivate.h
+++ b/src/H5Dprivate.h
@@ -135,6 +135,9 @@
#define H5D_XFER_VFL_INFO_SIZE sizeof(void *)
#define H5D_XFER_VFL_INFO_DEF NULL
/* Definitions for hyperslab vector size property */
+/* (Be cautious about increasing the default size, there are arrays allocated
+ * on the stack which depend on it - QAK)
+ */
#define H5D_XFER_HYPER_VECTOR_SIZE_NAME "vec_size"
#define H5D_XFER_HYPER_VECTOR_SIZE_SIZE sizeof(size_t)
#define H5D_XFER_HYPER_VECTOR_SIZE_DEF 1024