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<h3>

Shane Snyder pushed to branch master

at <a href="https://xgitlab.cels.anl.gov/darshan/darshan">darshan / darshan</a>

</h3>

<h4>

Commits:

</h4>

<ul>

<li>

<strong><a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/commit/6c5c648447e23902a45ac1e806666c0df894161d">6c5c6484</a></strong>

<div>

<span>by Shane Snyder</span>

<i>at 2021-04-23T13:20:43-05:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">don't call MPI_File_get_byte_offset for OpenMPI

A bug observed in some OpenMPI versions could lead to crashes

triggered by Darshan's own internal MPI-IO wrappers.

</pre>

</li>

<li>

<strong><a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/commit/95678e943cfdafab39b8ba549dfa5775bf938e5c">95678e94</a></strong>

<div>

<span>by Shane Snyder</span>

<i>at 2021-04-23T13:20:43-05:00</i>

</div>

<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Merge branch 'snyder/dev-issue317-openmpi-check' into 'master'

Disable MPI-IO module offset tracking for OpenMPI builds

See merge request darshan/darshan!106</pre>

</li>

</ul>

<h4>4 changed files:</h4>

<ul>

<li class="file-stats">

<a href="#fd68d1e1ce6723281126e7dd4196d7ab72adcc5d">

darshan-runtime/configure

</a>

</li>

<li class="file-stats">

<a href="#d568bf870ab3f1dae63146414b75cf9481a73076">

darshan-runtime/configure.in

</a>

</li>

<li class="file-stats">

<a href="#555a602b5203510f847d4a1bc246e57e4a96565b">

darshan-runtime/darshan-runtime-config.h.in

</a>

</li>

<li class="file-stats">

<a href="#877f1651aa0eb0d9a867254560698309a8f666df">

darshan-runtime/lib/darshan-mpiio.c

</a>

</li>

</ul>

<h4>Changes:</h4>

<li id="fd68d1e1ce6723281126e7dd4196d7ab72adcc5d">

<a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/compare/5b596ed12c746a059fb198eb0779f64f4ca78f4c...95678e943cfdafab39b8ba549dfa5775bf938e5c#fd68d1e1ce6723281126e7dd4196d7ab72adcc5d"><strong>darshan-runtime/configure</strong></a>

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<pre style="margin: 0;"> <span id="LC5206" class="line" lang="shell"><span class="k" style="font-weight: 600;">done</span></span>

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<pre style="margin: 0;"> <span id="LC5207" class="line" lang="shell"></span>

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<pre style="margin: 0;"> <span id="LC5208" class="line" lang="shell"></span>

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<pre style="margin: 0;">+<span id="LC5209" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># check for OpenMPI</span></span>

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<pre style="margin: 0;">+<span id="LC5210" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># NOTE: this check is needed due to a bug observed in some OpenMPI</span></span>

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<pre style="margin: 0;">+<span id="LC5211" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># versions triggered by Darshan's MPI-IO module usage of the</span></span>

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<pre style="margin: 0;">+<span id="LC5212" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># MPI_File_get_byte_offset() routine. For applications that create</span></span>

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<pre style="margin: 0;">+<span id="LC5213" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># zero-length datatypes, then read/write to them, it can trigger a</span></span>

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<pre style="margin: 0;">+<span id="LC5214" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># seg fault due to a divide by zero condition in OpenMPI. See the</span></span>

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<pre style="margin: 0;">+<span id="LC5215" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># following Darshan issue for more details:</span></span>

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<pre style="margin: 0;">+<span id="LC5216" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;">#   https://xgitlab.cels.anl.gov/darshan/darshan/-/issues/317</span></span>

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<pre style="margin: 0;">+<span id="LC5217" class="line" lang="shell"><span class="nb" style="color: #0086b3;">cat </span>confdefs.h - <span class="o" style="font-weight: 600;"><<</span><span class="no" style="color: #008080;">_ACEOF</span><span class="sh" style="color: #d14;"> >conftest.</span><span class="nv" style="color: #008080;">$ac_ext</span></span>

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<pre style="margin: 0;">+<span id="LC5218" class="line" lang="shell"><span class="sh" style="color: #d14;">/* end confdefs.h.  */</span></span>

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<pre style="margin: 0;">+<span id="LC5219" class="line" lang="shell"></span>

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<pre style="margin: 0;">+<span id="LC5220" class="line" lang="shell"></span>

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<pre style="margin: 0;">+<span id="LC5221" class="line" lang="shell"><span class="sh" style="color: #d14;">int</span></span>

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<td class="diff-line-num new new_line" data-linenumber="5222" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5222

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5222" class="line" lang="shell"><span class="sh" style="color: #d14;">main ()</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5223" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5223

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5223" class="line" lang="shell"><span class="sh" style="color: #d14;">{</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5224" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5224

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5224" class="line" lang="shell"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5225" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5225

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5225" class="line" lang="shell"><span class="sh" style="color: #d14;">        #include <mpi.h></span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5226" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5226

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5226" class="line" lang="shell"><span class="sh" style="color: #d14;">        #ifdef OPEN_MPI</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5227" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5227

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5227" class="line" lang="shell"><span class="sh" style="color: #d14;">        #error OPENMPI FOUND</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5228" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5228

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5228" class="line" lang="shell"><span class="sh" style="color: #d14;">        #endif</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5229" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5229

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5229" class="line" lang="shell"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5230" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5230

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5230" class="line" lang="shell"><span class="sh" style="color: #d14;">  ;</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5231" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5231

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5231" class="line" lang="shell"><span class="sh" style="color: #d14;">  return 0;</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5232" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5232

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5232" class="line" lang="shell"><span class="sh" style="color: #d14;">}</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5233" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5233

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5233" class="line" lang="shell"><span class="no" style="color: #008080;">_ACEOF</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5234" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5234

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5234" class="line" lang="shell"><span class="k" style="font-weight: 600;">if </span>ac_fn_c_try_compile <span class="s2" style="color: #d14;">"</span><span class="nv" style="color: #008080;">$LINENO</span><span class="s2" style="color: #d14;">"</span><span class="p">;</span> <span class="k" style="font-weight: 600;">then</span> :</span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5235" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5235

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5235" class="line" lang="shell"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5236

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5236" class="line" lang="shell"><span class="k" style="font-weight: 600;">else</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5237

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5237" class="line" lang="shell"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5238" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5238

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5238" class="line" lang="shell"><span class="nv" style="color: #008080;">$as_echo</span> <span class="s2" style="color: #d14;">"#define HAVE_OPEN_MPI 1"</span> <span class="o" style="font-weight: 600;">>></span>confdefs.h</span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5239" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5239

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5239" class="line" lang="shell"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5240" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5240

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5240" class="line" lang="shell"><span class="k" style="font-weight: 600;">fi</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5241" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5241

</td>

<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC5241" class="line" lang="shell"><span class="nb" style="color: #0086b3;">rm</span> <span class="nt" style="color: #000080;">-f</span> core conftest.err conftest.<span class="nv" style="color: #008080;">$ac_objext</span> conftest.<span class="nv" style="color: #008080;">$ac_ext</span></span>

</pre>

</td>

</tr>

<tr class="line_holder new" id="" style="line-height: 1.6;">

<td class="diff-line-num new old_line" data-linenumber="5209" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="5242" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

5242

</td>

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<pre style="margin: 0;">+<span id="LC5242" class="line" lang="shell"></span>

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5243

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<pre style="margin: 0;"> <span id="LC5243" class="line" lang="shell"><span class="nv" style="color: #008080;">DARSHAN_VERSION</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"3.3.0-pre1"</span></span>

</pre>

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5244

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<pre style="margin: 0;"> <span id="LC5244" class="line" lang="shell"></span>

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5245

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<pre style="margin: 0;"> <span id="LC5245" class="line" lang="shell"></span>

</pre>

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<br>

</li>

<li id="d568bf870ab3f1dae63146414b75cf9481a73076">

<a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/compare/5b596ed12c746a059fb198eb0779f64f4ca78f4c...95678e943cfdafab39b8ba549dfa5775bf938e5c#d568bf870ab3f1dae63146414b75cf9481a73076"><strong>darshan-runtime/configure.in</strong></a>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -557,6 +557,24 @@ AC_CHECK_FUNCS([preadv],[],[])</td>

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<pre style="margin: 0;"> <span id="LC557" class="line" lang="plaintext">AC_CHECK_FUNCS([pwritev2],[],[])</span>

</pre>

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<pre style="margin: 0;"> <span id="LC558" class="line" lang="plaintext">AC_CHECK_FUNCS([preadv2],[],[])</span>

</pre>

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<pre style="margin: 0;"> <span id="LC559" class="line" lang="plaintext"></span>

</pre>

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<pre style="margin: 0;">+<span id="LC560" class="line" lang="plaintext"># check for OpenMPI</span>

</pre>

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561

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<pre style="margin: 0;">+<span id="LC561" class="line" lang="plaintext"># NOTE: this check is needed due to a bug observed in some OpenMPI</span>

</pre>

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<pre style="margin: 0;">+<span id="LC562" class="line" lang="plaintext"># versions triggered by Darshan's MPI-IO module usage of the</span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="563" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

563

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<pre style="margin: 0;">+<span id="LC563" class="line" lang="plaintext"># MPI_File_get_byte_offset() routine. For applications that create</span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="564" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

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<pre style="margin: 0;">+<span id="LC564" class="line" lang="plaintext"># zero-length datatypes, then read/write to them, it can trigger a</span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="565" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

565

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<pre style="margin: 0;">+<span id="LC565" class="line" lang="plaintext"># seg fault due to a divide by zero condition in OpenMPI. See the</span>

</pre>

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566

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<pre style="margin: 0;">+<span id="LC566" class="line" lang="plaintext"># following Darshan issue for more details:</span>

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<pre style="margin: 0;">+<span id="LC567" class="line" lang="plaintext">#   https://xgitlab.cels.anl.gov/darshan/darshan/-/issues/317</span>

</pre>

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<pre style="margin: 0;">+<span id="LC568" class="line" lang="plaintext">AC_COMPILE_IFELSE([</span>

</pre>

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<td class="diff-line-num new new_line" data-linenumber="569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

569

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<pre style="margin: 0;">+<span id="LC569" class="line" lang="plaintext">    AC_LANG_PROGRAM(,[</span>

</pre>

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<pre style="margin: 0;">+<span id="LC570" class="line" lang="plaintext">        #include <mpi.h></span>

</pre>

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571

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<pre style="margin: 0;">+<span id="LC571" class="line" lang="plaintext">        #ifdef OPEN_MPI</span>

</pre>

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<pre style="margin: 0;">+<span id="LC572" class="line" lang="plaintext">        #error OPENMPI FOUND</span>

</pre>

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573

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC573" class="line" lang="plaintext">        #endif</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="574" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

574

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC574" class="line" lang="plaintext">    ])],</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="575" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

575

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC575" class="line" lang="plaintext">    [],</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="576" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

576

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC576" class="line" lang="plaintext">    [AC_DEFINE(HAVE_OPEN_MPI, 1, Define if OpenMPI is being used)])</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="577" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

577

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC577" class="line" lang="plaintext"></span>

</pre>

</td>

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<td class="diff-line-num old_line" data-linenumber="560" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

560

</td>

<td class="diff-line-num new_line" data-linenumber="578" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

578

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC578" class="line" lang="plaintext">DARSHAN_VERSION="AC_PACKAGE_VERSION"</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="561" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

561

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<td class="diff-line-num new_line" data-linenumber="579" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

579

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC579" class="line" lang="plaintext">AC_SUBST(darshan_lib_path)</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="562" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

562

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<td class="diff-line-num new_line" data-linenumber="580" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

580

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<pre style="margin: 0;"> <span id="LC580" class="line" lang="plaintext">AC_SUBST(darshan_share_path)</span>

</pre>

</td>

</tr>

</table>

<br>

</li>

<li id="555a602b5203510f847d4a1bc246e57e4a96565b">

<a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/compare/5b596ed12c746a059fb198eb0779f64f4ca78f4c...95678e943cfdafab39b8ba549dfa5775bf938e5c#555a602b5203510f847d4a1bc246e57e4a96565b"><strong>darshan-runtime/darshan-runtime-config.h.in</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -39,6 +39,9 @@</td>

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<td class="diff-line-num old_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

39

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<td class="diff-line-num new_line" data-linenumber="39" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

39

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC39" class="line" lang="plaintext">/* Define if off64_t type is defined */</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<td class="diff-line-num new_line" data-linenumber="40" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

40

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<pre style="margin: 0;"> <span id="LC40" class="line" lang="plaintext">#undef HAVE_OFF64_T</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

41

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<td class="diff-line-num new_line" data-linenumber="41" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

41

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC41" class="line" lang="plaintext"></span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

42

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC42" class="line" lang="plaintext">/* Define if OpenMPI is being used */</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

43

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<pre style="margin: 0;">+<span id="LC43" class="line" lang="plaintext">#undef HAVE_OPEN_MPI</span>

</pre>

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<td class="diff-line-num new old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">

44

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<td class="line_content new" style="padding-left: 0.5em; padding-right: 0.5em;" bgcolor="#ecfdf0">

<pre style="margin: 0;">+<span id="LC44" class="line" lang="plaintext"></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="42" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

42

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<td class="diff-line-num new_line" data-linenumber="45" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

45

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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC45" class="line" lang="plaintext">/* Define to 1 if you have the `preadv' function. */</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="43" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

43

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<td class="diff-line-num new_line" data-linenumber="46" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

46

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<pre style="margin: 0;"> <span id="LC46" class="line" lang="plaintext">#undef HAVE_PREADV</span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="44" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

44

</td>

<td class="diff-line-num new_line" data-linenumber="47" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

47

</td>

<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">

<pre style="margin: 0;"> <span id="LC47" class="line" lang="plaintext"></span>

</pre>

</td>

</tr>

</table>

<br>

</li>

<li id="877f1651aa0eb0d9a867254560698309a8f666df">

<a href="https://xgitlab.cels.anl.gov/darshan/darshan/-/compare/5b596ed12c746a059fb198eb0779f64f4ca78f4c...95678e943cfdafab39b8ba549dfa5775bf938e5c#877f1651aa0eb0d9a867254560698309a8f666df"><strong>darshan-runtime/lib/darshan-mpiio.c</strong></a>

<hr>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -236,10 +236,20 @@ static int my_rank = -1;</td>

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<td class="diff-line-num old_line" data-linenumber="236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

236

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<td class="diff-line-num new_line" data-linenumber="236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

236

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<pre style="margin: 0;"> <span id="LC236" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    if(newpath != __path) free(newpath); \</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

237

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<td class="diff-line-num new_line" data-linenumber="237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

237

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<pre style="margin: 0;"> <span id="LC237" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">} while(0)</span></span>

</pre>

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<td class="diff-line-num old_line" data-linenumber="238" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">

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<pre style="margin: 0;"> <span id="LC238" class="line" lang="c"></span>

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<pre style="margin: 0;">+<span id="LC239" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/* XXX: this check is needed to work around an OpenMPI bug that is triggered by</span></span>

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<pre style="margin: 0;">+<span id="LC240" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * Darshan's MPI-IO read/write wrappers usage of 'MPI_File_get_byte_offset()'</span></span>

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<pre style="margin: 0;">+<span id="LC241" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * for some workloads. For more details, see comments in 'darshan-runtime/configure.in'.</span></span>

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<pre style="margin: 0;">+<span id="LC242" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>

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<pre style="margin: 0;">+<span id="LC243" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#ifndef HAVE_OPEN_MPI</span></span>

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<pre style="margin: 0;">+<span id="LC244" class="line" lang="c"><span class="k" style="font-weight: 600;">static</span> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">get_byte_offset</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">1</span><span class="p">;</span></span>

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<pre style="margin: 0;">+<span id="LC245" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>

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<pre style="margin: 0;">+<span id="LC246" class="line" lang="c"><span class="k" style="font-weight: 600;">static</span> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">get_byte_offset</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>

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<pre style="margin: 0;">+<span id="LC247" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>

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<pre style="margin: 0;">+<span id="LC248" class="line" lang="c"></span>

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<pre style="margin: 0;"> <span id="LC249" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define MPIIO_RECORD_READ(__ret, __fh, __count, __datatype, __offset, __counter, __tm1, __tm2) do { \</span></span>

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<pre style="margin: 0;"> <span id="LC250" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    struct mpiio_file_record_ref *rec_ref; \</span></span>

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<pre style="margin: 0;"> <span id="LC251" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    int size = 0; \</span></span>

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<pre style="margin: 0;">-<span id="LC242" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_Offset displacement=<span class="idiff left right">0</span>;\</span></span>

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<pre style="margin: 0;">+<span id="LC252" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_Offset displacement=<span class="idiff left right">-1</span>;\</span></span>

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<pre style="margin: 0;"> <span id="LC253" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    int64_t size_ll; \</span></span>

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<pre style="margin: 0;"> <span id="LC254" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    struct darshan_common_val_counter *cvc; \</span></span>

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<pre style="margin: 0;"> <span id="LC255" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    double __elapsed = __tm2-__tm1; \</span></span>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -248,7 +258,7 @@ static int my_rank = -1;</td>

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<pre style="margin: 0;"> <span id="LC258" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    if(!rec_ref) break; \</span></span>

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<pre style="margin: 0;"> <span id="LC259" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    PMPI_Type_size(__datatype, &size);  \</span></span>

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<pre style="margin: 0;"> <span id="LC260" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    size = size * __count; \</span></span>

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<pre style="margin: 0;">-<span id="LC251" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_File_get_byte_offset(__fh, __offset, &displacement);\</span></span>

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<pre style="margin: 0;">+<span id="LC261" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    <span class="idiff left right">if(get_byte_offset) </span>MPI_File_get_byte_offset(__fh, __offset, &displacement);\</span></span>

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<pre style="margin: 0;"> <span id="LC262" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    </span><span class="cm" style="color: #998; font-style: italic;">/* DXT to record detailed read tracing information */</span><span class="cp" style="color: #999; font-weight: 600;"> \</span></span>

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<pre style="margin: 0;"> <span id="LC263" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    dxt_mpiio_read(rec_ref->file_rec->base_rec.id, displacement, size, __tm1, __tm2); \</span></span>

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<pre style="margin: 0;"> <span id="LC264" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    DARSHAN_BUCKET_INC(&(rec_ref->file_rec->counters[MPIIO_SIZE_READ_AGG_0_100]), size); \</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="278" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -278,7 +288,7 @@ static int my_rank = -1;</td>

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<pre style="margin: 0;"> <span id="LC288" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define MPIIO_RECORD_WRITE(__ret, __fh, __count, __datatype, __offset, __counter, __tm1, __tm2) do { \</span></span>

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<pre style="margin: 0;"> <span id="LC289" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    struct mpiio_file_record_ref *rec_ref; \</span></span>

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<pre style="margin: 0;"> <span id="LC290" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    int size = 0; \</span></span>

</pre>

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<pre style="margin: 0;">-<span id="LC281" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_Offset displacement; \</span></span>

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<pre style="margin: 0;">+<span id="LC291" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_Offset displacement<span class="idiff left right">=-1</span>; \</span></span>

</pre>

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<pre style="margin: 0;"> <span id="LC292" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    int64_t size_ll; \</span></span>

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<pre style="margin: 0;"> <span id="LC293" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    struct darshan_common_val_counter *cvc; \</span></span>

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<pre style="margin: 0;"> <span id="LC294" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    double __elapsed = __tm2-__tm1; \</span></span>

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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="288" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="298" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -288,7 +298,7 @@ static int my_rank = -1;</td>

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<pre style="margin: 0;"> <span id="LC298" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    PMPI_Type_size(__datatype, &size);  \</span></span>

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<pre style="margin: 0;"> <span id="LC299" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    size = size * __count; \</span></span>

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<pre style="margin: 0;"> <span id="LC300" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    </span><span class="cm" style="color: #998; font-style: italic;">/* DXT to record detailed write tracing information */</span><span class="cp" style="color: #999; font-weight: 600;"> \</span></span>

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<pre style="margin: 0;">-<span id="LC291" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    MPI_File_get_byte_offset(__fh, __offset, &displacement); \</span></span>

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<pre style="margin: 0;">+<span id="LC301" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    <span class="idiff left right">if(get_byte_offset) </span>MPI_File_get_byte_offset(__fh, __offset, &displacement); \</span></span>

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<pre style="margin: 0;"> <span id="LC302" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    dxt_mpiio_write(rec_ref->file_rec->base_rec.id, displacement, size, __tm1, __tm2); \</span></span>

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<pre style="margin: 0;"> <span id="LC303" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    DARSHAN_BUCKET_INC(&(rec_ref->file_rec->counters[MPIIO_SIZE_WRITE_AGG_0_100]), size); \</span></span>

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<pre style="margin: 0;"> <span id="LC304" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">    size_ll = size; \</span></span>

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