	APEmille: the present	Schifano S. Fabio - INFN

Main Features:

3D-MESH of nodes
each node has a peak performance of 500Mflops
communication chip can perform:

first neighbour communication
the so called "rigid communication"
broadcast

64Mb memory per each node
Local Memory bandwith: 512Mb/s
Remote Memory bandwith: 64Mb/s
512 32-bit location RF
3W power dissipation / node

3D-MESH of nodes each node has a peak performance of 500Mflops communication chip can perform: first neighbour communication the so called "rigid communication" broadcast 64Mb memory per each node Local Memory bandwith: 512Mb/s Remote Memory bandwith: 64Mb/s 512 32-bit location RF 3W power dissipation / node

Status:

INFN - Roma1 256 nodes
Desy - Zeuthen 256 nodes
Univ. Paris Sud 64 nodes
Bielefeld 256 nodes
INFN - Roma2 128 nodes
INFN - Pisa 64 nodes

Dirac (TAO single) 37%

Dirac (hand single) 55%
Dirac (TAO double) 19%
(max 25%)
LBE (TAO single) 55%

APEmille has started full run production
HW reliable and SW under tuning
machine under construction by Neuricam/Eurotech

APEmille: the present