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At the head of the second computer family is the Silicon Graphics Power Challenge Array four networked Challenge machines with 20 processors each for number crunching.
Power Challenge Array
Wilmer Zehr, access
Shankar Subramaniam and Eric Jakobsson, computational
biologists at NCSA, find that
the SGI family of computers, which use a shared memory system, is
particularly well suited to their problems. Problems in computational biology typically
require a lot of communication between processors, making a shared memory
system ideal.
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NCSA's Power Challenge Array (October 1995) has:
Onyx
The Power Challenge array is accompanied by several Onyx and Power Onyx systems (used to drive The CAVE,
ImmersaDesk and other advanced virtual environments), as well as a
classroom of
Indigo-2 workstations and numerous desktop Indy
workstations. All the NCSA SGI systems use the same operating system (IRIX). This means that an
application can be developed on the desktop, then scaled up to run an SGI supercomputing system without
any major modifications of the code.
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