<div dir="ltr"><div><br></div><div>&quot;We believe that portions of the HPC community have adopted the point of view that somehow threads are “necessary” in order to utilize such [manycore/SMP] systems, (1) without fully understanding the alternatives, including MPI 3 functionality, (2) underestimating the difficulty of utilizing threads efficiently, and (3) without appreciating the similarities of threads and processes. This short paper, due to space constraints, focuses exclusively on issue (3) since we feel it has gotten virtually no attention.&quot;<br></div><div><br></div><a href="http://www.orau.gov/hpcor2015/whitepapers/Exascale_Computing_without_Threads-Barry_Smith.pdf">http://www.orau.gov/hpcor2015/whitepapers/Exascale_Computing_without_Threads-Barry_Smith.pdf</a><br clear="all"><div><br clear="all"><div><div class="gmail_signature">--<br>Szilárd</div></div>
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