Mark M. Mathis Darren J. Kerbyson Performance Modeling of Unstructered Mesh Particle Transport Computations. 2004 conf/ipps/2004 IPDPS http://csdl.computer.org/comp/proceedings/ipdps/2004/2132/15/2132150245aabs.htm db/conf/ipps/ipdps2004-w14.html#MathisK04