diff options
Diffstat (limited to 'doc/html/Environment.html')
-rw-r--r-- | doc/html/Environment.html | 194 |
1 files changed, 188 insertions, 6 deletions
diff --git a/doc/html/Environment.html b/doc/html/Environment.html index 8308d17..3e2141d 100644 --- a/doc/html/Environment.html +++ b/doc/html/Environment.html @@ -1,5 +1,186 @@ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> <html> +<<<<<<< Environment.html +<head> +<title>HDF5 Library Environment Variables and Configuration Parameters</title> +</head> + +<body bgcolor="#FFFFFF"> + + +<hr> +<center> +<table border=0 width=98%> +<tr><td valign=top align=left> + <a href="H5.intro.html">Introduction to HDF5</a> <br> + <a href="RM_H5Front.html">HDF5 Reference Manual</a> <br> + <a href="index.html">Other HDF5 documents and links</a> <br> + <!-- + <a href="Glossary.html">Glossary</a><br> + --> +</td> +<td valign=top align=right> + And in this document, the + <a href="H5.user.html">HDF5 User's Guide</a>: + <a href="Files.html">Files</a> + <br> + <a href="Datasets.html">Datasets</a> + <a href="Datatypes.html">Data Types</a> + <a href="Dataspaces.html">Dataspaces</a> + <a href="Groups.html">Groups</a> + <a href="References.html">References</a> + <br> + <a href="Attributes.html">Attributes</a> + <a href="Properties.html">Property Lists</a> + <a href="Errors.html">Error Handling</a> + <a href="Filters.html">Filters</a> + <a href="Caching.html">Caching</a> + <br> + <a href="Chunking.html">Chunking</a> + <a href="Debugging.html">Debugging</a> + Environment + <a href="ddl.html">DDL</a> + <a href="Ragged.html">Ragged Arrays</a> +<!-- +<hr> +And in this document, the +<a href="H5.user.html">HDF5 User's Guide</a>: + <a href="Attributes.html">H5A</a> + <a href="Datasets.html">H5D</a> + <a href="Errors.html">H5E</a> + <a href="Files.html">H5F</a> + <a href="Groups.html">H5G</a> + <a href="Properties.html">H5P</a> + <a href="References.html">H5R & H5I</a> + <a href="Ragged.html">H5RA</a> + <a href="Dataspaces.html">H5S</a> + <a href="Datatypes.html">H5T</a> + <a href="Filters.html">H5Z</a> + <a href="Caching.html">Caching</a> + <a href="Chunking.html">Chunking</a> + <a href="Debugging.html">Debugging</a> + <a href="Environment.html">Environment</a> + <a href="ddl.html">DDL</a> +--> +</td></tr> +</table> +</center> +<hr> + + +<h1>HDF5 Library Environment Variables and Configuration Parameters</h1> + +<h2>1. Environment Variables</h2> + +The HDF5 library uses UNIX environment variables to control +or adjust certain library features at runtime. The variables and +their defined effects are as follows: + +<dir> +<dl> + <dt><tt>HDF5_DEBUG</tt> + <dd>Defines a list of debugging switches documented in the + <a href="Debugging.html">Debugging</a> section of the + <cite>HDF5 User's Guide</cite>. + + <dt><tt>HDF5_NOCLEANUP</tt> + <dd>When set to a non-empty value, the programs in the test + directory do not remove temporary HDF5 data files. + The default is for each test to remove the files before exit. + + <dt><tt>HDF5_MPI_OPT_TYPES</tt> + (for parallel beta version only) + <dd>When set to <code>1</code>, PHDF5 will use the MPI optimized + code to perform parallel read/write accesses to datasets. + Currently, this optimization fails when accessing extendable + datasets. The default is not to use the optimized code. + + <dt><tt>HDF5_MPI_1_METAWRITE</tt> + (for parallel beta version only) + <dd>When set to <code>1</code>, PHDF5 will write the metadata + via process 0 of each opened parallel HDF5 file. This should + improve I/O throughput. The default is not to use this + optimization. + +</dl> +</dir> + +<h2>2. Configuration Parameters</h2> + +The HDF5 configuration script accepts a list of parameters to control +configuration features when creating the Makefiles for the library. +The command +<br> +<code> configure --help </code> +<br> +will display the current list of parameters and their effects. + + +<hr> +<center> +<table border=0 width=98%> +<tr><td valign=top align=left> + <a href="H5.intro.html">Introduction to HDF5</a> <br> + <a href="RM_H5Front.html">HDF5 Reference Manual</a> <br> + <a href="index.html">Other HDF5 documents and links</a> <br> + <!-- + <a href="Glossary.html">Glossary</a><br> + --> +</td> +<td valign=top align=right> + And in this document, the + <a href="H5.user.html">HDF5 User's Guide</a>: + <a href="Files.html">Files</a> + <br> + <a href="Datasets.html">Datasets</a> + <a href="Datatypes.html">Data Types</a> + <a href="Dataspaces.html">Dataspaces</a> + <a href="Groups.html">Groups</a> + <a href="References.html">References</a> + <br> + <a href="Attributes.html">Attributes</a> + <a href="Properties.html">Property Lists</a> + <a href="Errors.html">Error Handling</a> + <a href="Filters.html">Filters</a> + <a href="Caching.html">Caching</a> + <br> + <a href="Chunking.html">Chunking</a> + <a href="Debugging.html">Debugging</a> + Environment + <a href="ddl.html">DDL</a> + <a href="Ragged.html">Ragged Arrays</a> +<!-- +<hr> +And in this document, the +<a href="H5.user.html">HDF5 User's Guide</a>: + <a href="Attributes.html">H5A</a> + <a href="Datasets.html">H5D</a> + <a href="Errors.html">H5E</a> + <a href="Files.html">H5F</a> + <a href="Groups.html">H5G</a> + <a href="Properties.html">H5P</a> + <a href="References.html">H5R & H5I</a> + <a href="Ragged.html">H5RA</a> + <a href="Dataspaces.html">H5S</a> + <a href="Datatypes.html">H5T</a> + <a href="Filters.html">H5Z</a> + <a href="Caching.html">Caching</a> + <a href="Chunking.html">Chunking</a> + <a href="Debugging.html">Debugging</a> + <a href="Environment.html">Environment</a> + <a href="ddl.html">DDL</a> +--> +</td></tr> +</table> +</center> + + +<hr> + +<address> +<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a> +</address> +======= <head> <title>HDF5 Library Environment Variables and Configuration Parameters</title> @@ -89,14 +270,15 @@ <br> will display the current list of parameters and their effects. - <hr> - <address> - <a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a> - </address> +<hr> +<address> +<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a> +</address> + +Last modified: 25 November 1998 - Last modified: 9 September 1998 - </body> +</body> </html> |