<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Apr 24, 2013 at 10:45 AM, Joon hee Choi <span dir="ltr"><<a href="mailto:choi240@purdue.edu" target="_blank">choi240@purdue.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Actually, B is very huge(more than 10^10) and sparse(about 1% dense).</blockquote></div><br>(10^{10})^2 * 1% = 10^{18} which is probably not a quantity of memory that you have available. So either the matrix is much smaller than 10^{10} or it's much less than 1% dense.</div>
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