Machines

• Sequent (8 processors, multiple instructions, shared memory)
• Hypercube (8 processors, distributed memory, hypercube topology)
• CM2 (64,000 processors, single instruction)
• CM5 (32,000 processors, single instruction for each 8000 processors)
• Intel Paragon (1,028 processors, 2D mesh topology)
• nCUBE (128 processors, MIMD distributed memory, hypercube topology)

Models

RAM (serially random access machine)

PRAM (parallel RAM) unit time accesses

Spatial delayed accesses