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Update docs for collectives

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Salvatore Filippone
2022-04-04 10:51:56 +02:00
parent 7064777e2e
commit 040d619d08
20 changed files with 2267 additions and 1724 deletions
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>
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<pre class="verbatim" id="verbatim-71">
<pre class="verbatim" id="verbatim-73">
call&#x00A0;psb_max(ctxt,&#x00A0;dat&#x00A0;[,&#x00A0;root,&#x00A0;mode,&#x00A0;request])
</pre>
<!--l. 423--><p class="nopar" >
<!--l. 425--><p class="indent" > This subroutine implements a maximum valuereduction operation based on the
<!--l. 474--><p class="nopar" >
<!--l. 476--><p class="indent" > This subroutine implements a maximum valuereduction operation based on the
underlying communication library.
<dl class="description"><dt class="description">
<span
@@ -88,7 +88,9 @@ 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
class="newline" />Specified as: an integer value. The action to be taken is determined by
its bit fields, which can be set with bitwise <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">OR</span></span></span>. Basic action values are
<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
@@ -110,7 +112,7 @@ 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 specify synchronous completion, then this variable must
be present.</dd></dl>
<!--l. 466--><p class="indent" >
<!--l. 518--><p class="indent" >
<dl class="description"><dt class="description">
<span
class="cmbx-10">On Return</span> </dt><dd
@@ -140,7 +142,7 @@ 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 specify synchronous completion, then this variable must
be present.</dd></dl>
<!--l. 484--><p class="noindent" ><span
<!--l. 536--><p class="noindent" ><span
class="cmbx-12">Notes</span>
<ol class="enumerate1" >
<li
@@ -149,20 +151,31 @@ class="cmtt-10">dat</span></span></span> argument is both input and output, and
even on processes different from the final result destination.
</li>
<li
class="enumerate" id="x79-116004x2">The <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">dat</span></span></span> argument may also be a long integer scalar.</li></ol>
class="enumerate" id="x79-116004x2">When splitting the operation in two calls, the <span class="obeylines-h"><span class="verb"><span
class="cmtt-10">dat</span></span></span> argument must not be
accessed between calls:
<div class="center"
>
<!--l. 552--><p class="noindent" >
<div class="minipage"><pre class="verbatim" id="verbatim-74">
&#x00A0;&#x00A0;call&#x00A0;psb_max(ctxt,dat,mode=psb_collective_start_,request=max_request)
&#x00A0;&#x00A0;.......
&#x00A0;&#x00A0;call&#x00A0;psb_max(ctxt,dat,mode=psb_collective_end_,request=max_request)
</pre>
<!--l. 558--><p class="nopar" ></div></div>
</li></ol>
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