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Document non-blocking collectives.

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Salvatore Filippone
2022-03-28 14:04:52 +02:00
parent 1fe2c71163
commit 9c6bb4da99
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@@ -22,7 +22,7 @@ href="userhtmlsu59.html#userhtmlsu68.html" >up</a>] </p></div>
<pre class="verbatim" id="verbatim-69">
call&#x00A0;psb_bcast(ctxt,&#x00A0;dat,&#x00A0;root)
call&#x00A0;psb_bcast(ctxt,&#x00A0;dat,&#x00A0;root&#x00A0;[,&#x00A0;mode,&#x00A0;request])
</pre>
<!--l. 284--><p class="nopar" >
<!--l. 286--><p class="indent" > This subroutine implements a broadcast operation based on the underlying
@@ -74,8 +74,41 @@ class="newline" />Specified as: an integer value 0 <span
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 0 &#x00A0;</dd></dl>
<!--l. 313--><p class="indent" >
class="cmsy-10">- </span>1, default 0 &#x00A0;
</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. 327--><p class="indent" >
<dl class="description"><dt class="description">
<span
class="cmbx-10">On Return</span> </dt><dd
@@ -83,7 +116,7 @@ class="description">
</dd><dt class="description">
<span
class="cmbx-10">dat</span> </dt><dd
class="description">On processes other than root, the data to be broadcast.<br
class="description">On all processes other than root, the broadcasted data.<br
class="newline" />Scope: <span
class="cmbx-10">global</span>.<br
class="newline" />Type: <span
@@ -92,19 +125,32 @@ class="newline" />Intent: <span
class="cmbx-10">inout</span>.<br
class="newline" />Specified as: an integer, real or complex variable, which may be a scalar,
or a rank 1 or 2 array, or a character or logical scalar. &#x00A0;Type, kind, rank
and size must agree on all processes.</dd></dl>
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. 325--><div class="crosslinks"><p class="noindent">[<a
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href="userhtmlsu65.html" >front</a>] [<a
href="userhtmlsu59.html#userhtmlsu68.html" >up</a>] </p></div>
<!--l. 325--><p class="indent" > <a
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id="tailuserhtmlsu65.html"></a>
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