linpack/hpl

Patrick Geoffray patrick at myri.com
Tue Sep 25 12:20:19 PDT 2001


Greg Lindahl wrote:

> To set the problem size, figure out how much memory per node you want
> to use, sum it up, and figure out how big of an array you can then use
> (sqrt and divide by the element size, which is double precision
> complex, or 16 bytes.)

Greg,

It's not double precision complex, it's double precision real, so 
sqrt and then divide per 8.

Patrick

-----------------------------------------------------------
|   Patrick Geoffray, Ph.D.      patrick at myri.com         |
|   Myricom, Inc.                http://www.myri.com      |
|   Cell: 865-389-8852           685 Emory Valley Rd (B)  |
|   Fax:  865-425-0978           Oak Ridge, TN 37830      |
-----------------------------------------------------------




More information about the Beowulf mailing list