Timing in seconds for MbCO + 3830 water molecules (14026 atoms), 1000 steps 12-14 A shift on Cray J90.

            NCPUS                    time (sec)      (hours)   Speedup  Effic
Cray-J90      1                       7201.4         2.000     1.00     100%
Cray-J90      2                       3738.3         1.038     1.93     96.5%
Cray-J90      4                       2035.4         0.565     3.54     88.5%
Cray-J90      8                       1236.2         0.343     5.83     72.8%

Comments

The Cray-J90 has a peak of 200Mflops/processor and the smallest configuration comes with 4 processors. It sells in the $225,000 price range. See Cray WWW pages for more details

>From 

Barry Bolding
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    Dr. Barry Bolding                   ___     H     H
    Cray Research, Inc.                /   \___/    H  \ 
    Cray Research Park                 \___/   \___/    Si-H
    655E Lone Oak Drive                /   \___/   \___/    H
    Eagan, MN 55121                    \___/   \___/   \___/    H
                                           \___/   \___/   \___/
    Phone: (612)-683-3642                      \___/   \___/   \
    Internet: barry@cray.com                       \___/   \___/
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