<div dir="ltr">Richard,<div><br></div><div>No comment except "Great work" figuring this out!</div><div><br></div><div>Nick</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Nicholas K. Sauter, Ph. D.<br>Senior Staff Scientist, Molecular Biophysics & Integrated Bioimaging Division<div>Lawrence Berkeley National Laboratory<br>1 Cyclotron Rd., Bldg. 33R0345<br>Berkeley, CA 94720<br>(510) 486-5713<br></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Tue, Oct 11, 2016 at 9:44 AM, Luc Bourhis <span dir="ltr"><<a href="mailto:luc_j_bourhis@mac.com" target="_blank">luc_j_bourhis@mac.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi Richard,<div><br><div><blockquote type="cite"><div>On 11 Oct 2016, at 15:11, <a href="mailto:richard.gildea@diamond.ac.uk" target="_blank">richard.gildea@diamond.ac.uk</a> wrote:</div><br class="m_-6430252741748460121Apple-interchange-newline"><div><span style="font-family:LucidaSans;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important"> shared_plain<double> result(a.begin(), a.end());</span><br style="font-family:LucidaSans;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"></div></blockquote></div><br></div><div>eventually, that results in calling std::uninitialized_copy. This has a significant overhead compared to std::copy which could be used here for simple types such as integers and doubles, probably resulting in another big boost. This could be done with hairy template specialisations I guess but not sure it’s worth the sweat!!</div><div><br></div></div><br>______________________________<wbr>_________________<br>
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