IBM SP


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IBM SP

(IBM Scalable POWER) A family of massively parallel (MPP) computer systems from IBM based on its RS/6000 (pSeries) models that incorporate various POWER and PowerPC CPUs. First introduced in 1993, SP configurations support from two to 512 processors. IBM SP systems run AIX and use IBM's POWERparallel architecture, which is a high-speed interconnect between processors (SP switch).

In 1994, the University of New Mexico's Maui High Performance Computing Center installed an SP2 with 400 CPUs, providing 100 gigaflops of computational power. See POWER and pSeries.
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The new IBM SP boasts the computing power of more than one million desktop PCs, all able to work together to tackle scientific problems.
Of the elite top ten business supercomputers in the world, seven are IBM SPs.
Our largest three-dimensional dendritic growth simulation to date has been on a grid of size [500.sup.3] using 32 processors of an IBM SP. This simulation took approximately 70 h to complete.
The numerical tests were carried out on the IBM Scalable POWERParallel system (IBM SP) and the SGI Onyx2 system at the High Performance Computing Center North (HPC2N), Umea University, Sweden.
More recently, nodes have been designed with eight processors (an option for the IBM SP series) and 16 processors (the Hewlett-Packard Exemplar X-Class) that physically share memory and packaging.
As a part of this development program, a growing number of EMSL's scientific resources are being made remotely accessible, including computational chemistry software, the 512-node IBM SP supercomputer (Extensible Computational Chemistry Project), mass spectrometers (EMSL Online Project), and NMR instruments (NMR Virtual Facility Project).
ADAPCO has purchased an eight-node IBM SP parallel processor to perform analyses.