On Fri, Dec 31, 2010 at 12:23 PM, Peter Wang <span dir="ltr"><<a href="mailto:pengxwang@hotmail.com">pengxwang@hotmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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I am trying to build a big matrix to be solved by KSP. I am wondering is there any limitation to the matrix size? What is the maximum size of the matrix in KSP? For example, if a 100 M by 100 M matrix can be handled by the KSP? Thanks a lot. </div>
</blockquote></div><br>There are two limitations:<div><br></div><div> a) Machine memory. To combat this, we recommend running in parallel</div><div><br></div><div> b) Representation of row/col numbers by integers. If you have > 2B rows, you will need to reconfigure</div>
<div> using --with-64-bit-ints.</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt<br clear="all"><br>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<br>
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