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<title>GAP (hpc) - Chapter 9: Synchronization variables</title>
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< class""><class="tocline"><span class="nocss"> </span><a href="chap9_mj.html#X84583568784B622A">9.1 <span class="Heading">Synchronization variables</span></a>
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<span class="ContSS"><br /><span class="nocss">  </span><a href="chap9_mj.html#X7B42B29B8441B4F5">9.1-3 SyncRead</a></span>
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<h3>9 <span class="Heading">Synchronization variables</span></h3>

<p><aspan class=GAPprompt"><span> < class"APinput"     SyncWrite(sv, MakeImmutable([1, 2, 3]));</span>

<h4>9.1 <span class="Heading"><span class="GAPprompt">></spanspan class="GAPinput">   end);;</span>

<p>Synchronization variables (also often called dataflow variables in the literature) are variables [1,, ]

<


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<p><a id="X7B55EA0E8672087C" name="X7B55EA0E8672087C"></a></p>

<h5>9.1-1 CreateSyncVar</h5>

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<p><a id="X85E910BF7BBF3270" name="X85E910BF7BBF3270"></a></p>

<h5>9.1-2 SyncWrite</h5>

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<><class"unc>SyncWrite</ode> to    varclass""obj<var>to< class=Arg>/ If var classArg">syncvar</ar>has been  assignedavalue thecall will with aruntime error otherwise, var =">obj/ar> willbeassignedto varclass=Arg>syncvar/>.</>

<p>In order to make sure that the recipient can read 

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<h5>9.1-3 SyncRead</h5>

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