From Wikipedia, the free encyclopedia NEC SX-6
NEC SX-6
The SX-6 is a supercomputer built by NEC Corporation node system provides up to 8 TFLOPS of peak floating-
that debuted in 2001; the SX-6 was sold under license by point performance.
Cray Inc. in the U.S. Each SX-6 single-node system con- The SX-6 uses SUPER-UX, a Unix-like operating sys-
tains up to eight vector processors, which share up to tem developed by NEC. A SAN-based global file system
64 GB of computer memory. The SX-6 processor is a sin- (NEC’s GFS) is available for a multinode installation. The
gle chip implementation containing a vector processor default batch processing system is NQSII, but open source
unit and a scalar processor fabricated in a 0.15 μm CMOS batch systems such as Sun Grid Engine are also support-
process with copper interconnects, whereas the SX-5 was ed.
a multi-chip implementation.
The vector processor is made up of eight vector
pipeline units each with seventy-two 256-word vector
See also
registers. The vector unit performs add/shift, multiply, • Earth Simulator
divide and logical operations. The scalar unit is 64 bits • NEC SX-8
wide and contains a 64 KB cache. The scalar unit can de- • NEC SX-9
code, issue and complete four instructions per clock cy-
cle. Branch prediction and speculative execution is sup-
ported. A multi-node system is configured by intercon-
External links
necting up to 128 single-node systems via a high-speed, • SX-6 Specifications
low-latency IXS (Internode Crossbar Switch). • Scalable Vector Supercomputer - SX Series
The peak performance of the SX-6 series vector Downloads
processors is 8 GFLOPS. Thus a single-node system pro-
vides a peak performance of 64 GFLOPS, while a multi-
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Categories:
• NEC supercomputers
• Computer hardware stubs
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