The National Institute for Computational Sciences

Kraken machine size

Scheduled Production April 2008 July 2008 February 2009 October 2009 January 2011
XT3 System XT4 system Initial XT5 system Upgraded XT5 System Final XT5 System
Total number cabinets 40 48 88 88 100
Topology 10x16x24 Torus 12 × 16 × 24 Torus 22 x 16 x 24 Torus 22 x 16 x 24 Torus 25 x 16 x 24 Torus
System sq ft (approx) 768 sq ft 1008 sq ft Approx. 2,000 sq ft Approx. 2,000 sq ft Approx. 2,200 sq ft
Compute partition
Compute blades 919 1,128 2,064 2,064 2,352
Compute sockets 3,676 4,512 16,512 16,512 18,816
Compute processor type AMD 2.6 GHz dual-core AMD 2.3 GHz quad-core AMD 2.3 GHz Barcelona-4 AMD 2.6 GHz Istanbul-6 AMD 2.6 GHz Istanbul-6
Gigaflops per socket 10.4 36.8 36.8 62.4 62.4
Compute TFLOPs 38.2 166 608 1030 1174
Memory per socket 2 GB DDR 4 GB DDR2 4 or 8 GB DDR2 8 GB DDR2 8 GB DDR2
Memory per blade 8 GB 16 GB 32 or 64 GB 64 GB 64 GB
Total compute memory 7.4 TB 17.6 TB 100 TB 129 TB 147 TB
Service partition
Service blades 41 24 48 48 48
Service sockets 82 48 96 96 96
Service processor type 2.6 GHz single-core 2.6 GHz dual-core 2.6 GHz dual-core 2.6 GHz dual-core 2.6 GHz dual-core
Service teraflops 0.4 TF 0.5 TF 0.5 TF 0.5 TF 0.5 TF
Memory per socket 4 GB 8 GB 8 GB 8 GB 8 GB
Service partition memory 328 GB 0.4 TB 0.77 TB 0.77 TB 0.77 TB
10 Gb network connections 6 6 20 20 20
High speed storage
Qty I/O cabinets 6 6 6 6 6
FS bandwidth 10 GB/s 10 GB/s 30 GB/s 30 GB/s 30 GB/s
Total storage 100 TB 460 TB 3.3 PB 3.3 PB 3.3 PB