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<a href="Scientific-module.html">Package Scientific</a> ::
Package MPI
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<!-- ==================== PACKAGE DESCRIPTION ==================== -->
<h1 class="epydoc">Package MPI</h1><p class="nomargin-top"></p>
<p>Python interface to the Message Passing Interface (MPI)</p>
<p>This module contains a Python interface to the Message Passing
Interface (MPI), and standardized library for message-passing parallel
computing. Please read an introduction to MPI before using this module;
some terms in the documentation do not make much sense unless you
understand the principles of MPI.</p>
<p>This module contains an object, 'world', which represents the default
communicator in MPI. This communicator can be used directly for sending
and receiving data, or other communicators can be derived from it.</p>
<p>A number of global constants are also defined (<a
href="Scientific.MPI.max-class.html" class="link">max</a>, <a
href="Scientific.MPI.min-class.html" class="link">min</a>, <a
href="Scientific.MPI.prod-class.html" class="link">prod</a>, <a
href="Scientific.MPI.sum-class.html" class="link">sum</a>, <a
href="Scientific.MPI.land-class.html" class="link">land</a>, <a
href="Scientific.MPI.lor-class.html" class="link">lor</a>, <a
href="Scientific.MPI.lxor-class.html" class="link">lxor</a>, <a
href="Scientific.MPI.band-class.html" class="link">band</a>, <a
href="Scientific.MPI.bor-class.html" class="link">bor</a>, <a
href="Scientific.MPI.bxor-class.html" class="link">bxor</a>, <a
href="Scientific.MPI.maxloc-class.html" class="link">maxloc</a>), and <a
href="Scientific.MPI.minloc-class.html" class="link">minloc</a>). They
are used to specify the desired operator in calls to the 'reduce' and
'allreduce' methods of the communicator objects.</p>
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<li> <strong class="uidlink"><a href="Scientific.MPI.IO-module.html">Scientific.MPI.IO</a></strong>: <em class="summary">I/O utilities for use with MPI programs</em> </li>
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<a href="Scientific.MPI.MPICommunicator-class.html" class="summary-name">MPICommunicator</a><br />
MPI Communicator
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<a href="Scientific.MPI.MPIOperationObject-class.html" class="summary-name">MPIOperationObject</a>
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<a href="Scientific.MPI.MPIRequest-class.html" class="summary-name">MPIRequest</a><br />
MPI Request
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<a href="Scientific.MPI.band-class.html" class="summary-name">band</a><br />
The 'bitwise and' operation in reduce/allreduce communications.
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<a href="Scientific.MPI.bor-class.html" class="summary-name">bor</a><br />
The 'bitwise or' operation in reduce/allreduce communications.
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<a href="Scientific.MPI.bxor-class.html" class="summary-name">bxor</a><br />
The 'bitwise exclusive-or' operation.
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<a href="Scientific.MPI.land-class.html" class="summary-name">land</a><br />
The 'logical and' operation in reduce/allreduce communications.
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<a href="Scientific.MPI.lor-class.html" class="summary-name">lor</a><br />
The 'logical or' operation in reduce/allreduce communications.
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The 'logical exclusive-or' operation.
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<a href="Scientific.MPI.max-class.html" class="summary-name">max</a><br />
The 'maximum' operation in reduce/allreduce communications.
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<span class="summary-type"> </span>
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<a href="Scientific.MPI.maxloc-class.html" class="summary-name">maxloc</a><br />
The 'location of the maximum' operation.
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<a href="Scientific.MPI.min-class.html" class="summary-name">min</a><br />
The 'minimum' operation in reduce/allreduce communications.
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<span class="summary-type"> </span>
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<a href="Scientific.MPI.minloc-class.html" class="summary-name">minloc</a><br />
The 'location of the minimum' operation.
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<span class="summary-type"> </span>
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<a href="Scientific.MPI.prod-class.html" class="summary-name">prod</a><br />
The 'product' operation in reduce/allreduce communications.
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<a href="Scientific.MPI.replace-class.html" class="summary-name">replace</a><br />
The 'replace' operation.
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The 'sum' operation in reduce/allreduce communications.
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<a name="world"></a><span class="summary-name">world</span> = <code title="<Scientific.MPI.MPICommunicator instance at 0x25786e8>"><Scientific.MPI.MPICommunicator instance at 0x25786e8></code>
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