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Hi Noseong,<br>
<br>
I guess you have misunderstood the code:<br>
<br>
case SCIP_LPPAR_THREADS:<br>
#if (CPX_VERSION == 1100 || (CPX_VERSION == 1220 &&
(CPX_SUBVERSION == 0 || CPX_SUBVERSION == 2)))<br>
/* Due to CPLEX bug, we always set the thread count to 1. In
order to fulfill an assert in lp.c, we have to<br>
* store the value set by SCIP and return it later instead of
the real thread count */<br>
lpi->pseudonthreads = ival;<br>
ival = 1;<br>
#else<br>
ival = MIN(ival, CPX_INT_MAX);<br>
#endif<br>
setIntParam(lpi, CPX_PARAM_THREADS, ival);<br>
<br>
<br>
The multi-threading feature is disabled for (CPX_VERSION == 1100 ||
(CPX_VERSION == 1220 && (CPX_SUBVERSION == 0 ||
CPX_SUBVERSION == 2))). <br>
<br>
<br>
Best,<br>
<br>
Benny<br>
<br>
<div class="moz-cite-prefix">On 08/06/2015 09:20 PM, Noseong Park
wrote:<br>
</div>
<blockquote
cite="mid:CAF5aXy69ud2gKw1pNvehSwV+hukVAvj_VRkBznBF6tP07jS7UA@mail.gmail.com"
type="cite">
<div dir="ltr">Hi All,
<div>I have seen that multithreading is enabled for cplex only
if (CPX_VERSION == 1100 || (CPX_VERSION == 1220 &&
(CPX_SUBVERSION == 0 || CPX_SUBVERSION == 2))). Is it a bad
idea to enable it manually for cplex 12.6 whose CPX_VERSION
value is 12060000?</div>
<div><br>
</div>
<div>By the way, CPX_VERSION = 1100 or 1220 sounds like a very
old version of cplex. Is 1100 (or 1220) a typo?</div>
<div><br>
</div>
<div>Best,</div>
<div>Noseong</div>
<div>
<div>
<div class="gmail_signature">
<div dir="ltr">
<div>
<h2
style="font-family:verdana,helvetica,arial,sans-serif;font-size:22px;margin-top:10px;margin-bottom:10px;font-weight:normal;background-color:transparent;color:rgb(0,0,0)"><b
style="color:rgb(153,153,153);font-size:large;font-family:arial,sans-serif">Noseong
Park</b></h2>
</div>
<p><i><font color="#999999"><font size="2">Ph.D. Student</font><br>
</font></i><i style="color:rgb(153,153,153)"><span
style="font-size:10pt;font-family:Arial,sans-serif">Department
of </span></i><i style="color:rgb(153,153,153)"><span
style="font-size:10pt;font-family:Arial,sans-serif">Computer Science -</span></i><i
style="color:rgb(153,153,153)"><span
style="font-size:10pt;font-family:Arial,sans-serif"> </span></i><i
style="color:rgb(153,153,153)"><span
style="font-size:10pt;font-family:Arial,sans-serif">University
of Maryland<br>
</span></i><i
style="font-family:Arial,sans-serif;font-size:10pt"><font
color="#999999">Laboratory for Computational
Cultural Dynamics</font></i></p>
<p><i><font color="#999999"><font size="2"><a
moz-do-not-send="true"
href="http://www.cs.umd.edu/%7Enpark"
target="_blank">http://www.cs.umd.edu/~npark</a></font></font></i><i
style="font-family:Arial,sans-serif;font-size:10pt"><font
color="#999999"><br>
</font></i></p>
<p><img moz-do-not-send="true"
src="https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcR90_udK7LFhvMp2pIkGI4EYw13dWYHKvrNkSFbqR_6wR-VEl88"
width="96" height="83"><br>
</p>
</div>
</div>
</div>
</div>
</div>
<br>
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<br>
<pre wrap="">_______________________________________________
Scip mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Scip@zib.de">Scip@zib.de</a>
<a class="moz-txt-link-freetext" href="http://listserv.zib.de/mailman/listinfo/scip">http://listserv.zib.de/mailman/listinfo/scip</a>
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
______________________________
Benjamin Müller
Zuse Institute Berlin
Takustr. 7, 14195 Berlin
<a class="moz-txt-link-abbreviated" href="mailto:benjamin.mueller@zib.de">benjamin.mueller@zib.de</a>
+49 30 841 85-195</pre>
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