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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This probably won’t work. The search strategy is set in function broker’s setupKnowledgePools();<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">You might want to write your own strategy in a similar way in AlpsSearchStrategy.h/cpp, add it to setupKnowledgePools(). You can get timer through broker_
in subtree data structure. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> chipps-bounces@list.coin-or.org [mailto:chipps-bounces@list.coin-or.org]
<b>On Behalf Of </b>???<br>
<b>Sent:</b> Wednesday, May 08, 2013 9:47 AM<br>
<b>To:</b> chipps<br>
<b>Subject:</b> [CHiPPS] About change Search strategy In Alps<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif"">Dera Sir,<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> I am trying to change search strategy in Alps.<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> Here is the idea, at first I use best-first, after 3 minutes, change to depth-first.<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> I use the code bellow to do this:<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif"">
</span><span style="font-size:10.5pt;font-family:"Verdana","sans-serif"">if(treeSelection_->getType() == 0)</span><span style="font-family:"Verdana","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> {<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> if(timer_.getWallClock() >= 180)<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> {<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> treeSelection_ = new AlpsTreeSelectionDepth;<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> nodeSelection_ = new AlpsNodeSelectionDepth;<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> subTreePool_->setComparison(*treeSelection_);<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> workingSubTree_->nodePool()->setNodeSelection(*nodeSelection_);<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> }<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> }<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> I add this code in the loops 'while(true)' of masterMain, hubMain and workerMain in AlpsKnowledgeBrokerMPI.cpp.<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> But, the result is Segmentation fault in rank 0.<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> Here is the question,<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> First, could I change search strategy like this?<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> Second, if I could do this, is there any code else I should change?<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> Or is there other ways to change search strategy when the searching still is running?<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:15.7pt"><span style="font-family:"Verdana","sans-serif""> Best wishes<o:p></o:p></span></p>
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