Comments

System: GP7000/AP w/ 16 nodes
CPU: SUN Ultra-II
Memory: 1GB node 0; 512MB other nodes
L2 Cache: 2MB

OS: Solaris 2.5.1
Compiler: Sun Compiler V4.2
FFLAGS: -O5 -dalign -xarch=v8plusa -xchip=ultra -xcache=16/32/4:2048/32/1 
         -fsimple==2 -xdepend -xlibmil -xsafe=mem
CFLAGS: -xO5 -dalign -xarch=v8plusa -xchip=ultra -xcache=16/32/4:2048/32/1 
         -fsimple==2 -xdepend -xlibmil -xsafe=mem
LIBS: -xlic_lib=sunperf
MPI: MPICH 1.1 socket version MPI

Results:
1. Charmm V2.6 from Scripps
2. Problem description:
        MbCO + 3830 water molecules (14026 atoms), 1000 steps.

3. Timing 
Nodes                   1       2       4      8      16     
Elapsed time(hr)        1.23    0.63   0.35   0.17   0.098
scalability             1.0     1.95   3.51   7.24   12.55