<div class="gmail_extra">On Tue, Nov 20, 2012 at 12:38 AM, Fande Kong <span dir="ltr"><<a href="mailto:fd.kong@siat.ac.cn" target="_blank">fd.kong@siat.ac.cn</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">
I want to try very 'large' mesh. I guess it should be bottleneck.</blockquote></div><br></div><div class="gmail_extra">It's really worth profiling. Having every process read directly is no more scalable (frequently less, actually) than having rank 1 read incrementally and send to whoever should own it. You can do full parallel IO, but the code depends on the mesh format.</div>