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<p>See that "./configure --enable-mpi" was used.<br>
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<p>Of note, sometimes -gcc-sys is needed:<br>
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<p><br>
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<p><a class="moz-txt-link-freetext" href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg18664.html">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg18664.html</a><br>
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<div class="moz-cite-prefix">On 9/13/2020 2:53 AM, Ilias Miroslav,
doc. RNDr., PhD. wrote:<br>
</div>
<blockquote type="cite"
cite="mid:VI1PR0702MB35662CB3E12FAF6FBEAB00A4F7220@VI1PR0702MB3566.eurprd07.prod.outlook.com">
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Hello,</div>
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<br>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
to profit from parallelization, one has to install ELPA and the
parallel version fftw library.</div>
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font-size: 12pt; color: rgb(0, 0, 0);">
<br>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
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For fftw library I used ./configure --enable-mpi, but Wien2k
installator says "!!! WARNING: No MPI version of the FFTW
library found!" But my installed <b> fftw-3.3.8/lib contains </b><span
style="color: rgb(0, 0, 0); font-family: Calibri, Arial,
Helvetica, sans-serif; font-size: 12pt;">also </span><span
style="color: rgb(0, 0, 0); font-family: Calibri, Arial,
Helvetica, sans-serif; font-size: 12pt;">libfftw3_mpi.a .</span></div>
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font-size: 12pt; color: rgb(0, 0, 0);">
<br>
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Any clues what is wrong ? <span style="color: rgb(0, 0, 0);
font-family: Calibri, Arial, Helvetica, sans-serif; font-size:
12pt;">Maybe it would be better to have defined environmental
variables from ELPA, fftw ?</span></div>
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font-size: 12pt; color: rgb(0, 0, 0);">
<span style="color: rgb(0, 0, 0); font-family: Calibri, Arial,
Helvetica, sans-serif; font-size: 12pt;"><br>
</span></div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif;
font-size: 12pt; color: rgb(0, 0, 0);">
<span style="color: rgb(0, 0, 0); font-family: Calibri, Arial,
Helvetica, sans-serif; font-size: 12pt;">Miro</span></div>
</blockquote>
<blockquote type="cite"
cite="mid:VI1PR0702MB35662CB3E12FAF6FBEAB00A4F7220@VI1PR0702MB3566.eurprd07.prod.outlook.com"></blockquote>
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