The Caltech Exemplar
256 processors
- HP PA8000 RISC, running at 180MHz with 1 MByte data cache, 1 MByte instruction cache
- Grouped into 16 hypernodes
- 720 Mflops peak
64 GB of total shared RAM
Fast communication
- hypernodes connected by Coherent Toroidal Interconnect (CTI)
- dedicated ATM link to HEP department
- dedicated HiPPI link to HPSS
One cabinet = 2 Hypernodes = 32 CPUs
Purchased by Caltech/JPL/NASA