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Document non-blocking collectives.

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Salvatore Filippone
2022-03-28 14:04:52 +02:00
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>
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<pre class="verbatim" id="verbatim-71">
call&#x00A0;psb_max(ctxt,&#x00A0;dat,&#x00A0;root)
call&#x00A0;psb_max(ctxt,&#x00A0;dat,&#x00A0;root&#x00A0;[,&#x00A0;mode,&#x00A0;request])
</pre>
<!--l. 383--><p class="nopar" >
<!--l. 385--><p class="indent" > This subroutine implements a maximum valuereduction operation based on the
<!--l. 423--><p class="nopar" >
<!--l. 425--><p class="indent" > This subroutine implements a maximum valuereduction operation based on the
underlying communication library.
<dl class="description"><dt class="description">
<span
@@ -76,8 +76,41 @@ class="cmmi-10">&#x003C;</span>= <span
class="cmmi-10">root &#x003C;</span>= <span
class="cmmi-10">np </span><span
class="cmsy-10">- </span>1, default -1. <br
class="newline" /></dd></dl>
<!--l. 412--><p class="indent" >
class="newline" />
</dd><dt class="description">
<span
class="cmbx-10">mode</span> </dt><dd
class="description">Whether the call is started in non-blocking mode and completed later,
or is executed fully.<br
class="newline" />Scope: <span
class="cmbx-10">global</span>.<br
class="newline" />Type: <span
class="cmbx-10">optional</span>.<br
class="newline" />Intent: <span
class="cmbx-10">in</span>.<br
class="newline" />Specified as: an integer, with the value determined by the bitwise OR of
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10">psb_collective_start_</span></span></span>, <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">psb_collective_end_</span></span></span>. Default: both fields are
selected.<br
class="newline" />
</dd><dt class="description">
<span
class="cmbx-10">request</span> </dt><dd
class="description">A request variable to check for operation completion.<br
class="newline" />Scope: <span
class="cmbx-10">local</span>.<br
class="newline" />Type: <span
class="cmbx-10">optional</span>.<br
class="newline" />Intent: <span
class="cmbx-10">inout</span>.<br
class="newline" />If <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">mode</span></span></span> does not specifies immediate completion, then this variable must
be present.</dd></dl>
<!--l. 466--><p class="indent" >
<dl class="description"><dt class="description">
<span
class="cmbx-10">On Return</span> </dt><dd
@@ -93,12 +126,22 @@ class="cmbx-10">required</span>.<br
class="newline" />Intent: <span
class="cmbx-10">in</span>.<br
class="newline" />Specified as: an integer or real variable, which may be a scalar, or a rank
1 or 2 array. &#x00A0;Type, kind, rank and size must agree on all processes.</dd></dl>
<!--l. 424--><p class="noindent" ><span
1 or 2 array. &#x00A0;Type, kind, rank and size must agree on all processes.
</dd><dt class="description">
<span
class="cmbx-10">request</span> </dt><dd
class="description">A request variable to check for operation completion.<br
class="newline" />Scope: <span
class="cmbx-10">local</span>.<br
class="newline" />Type: <span
class="cmbx-10">optional</span>.<br
class="newline" />Intent: <span
class="cmbx-10">inout</span>.<br
class="newline" />If <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">mode</span></span></span> does not specifies immediate completion, then this variable must
be present.</dd></dl>
<!--l. 484--><p class="noindent" ><span
class="cmbx-12">Notes</span>
<ol class="enumerate1" >
<li
class="enumerate" id="x79-116002x1">The <span class="obeylines-h"><span class="verb"><span
@@ -114,12 +157,12 @@ class="cmtt-10">dat</span></span></span> argument may also be a long integer sca
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