United Kingdom


In June 2011, 27 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
24 HECToR
Cray XE6 12-core 2.1 GHz
44376 N/A 279636 372758 Cray Inc.
67 Blackthorn
Bullx B500 Cluster, Xeon X56xx 2.8Ghz, QDR Infiniband
12936 N/A 124600 145152 Bull
70 Power 575, p6 4.7 GHz, Infiniband 8320 N/A 115900 156416 IBM
71 Power 575, p6 4.7 GHz, Infiniband 8320 N/A 115900 156416 IBM
94 HECToR
Cray XT4, 2.3 GHz
12288 N/A 95080 113050 Cray Inc.
154 iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 8000 N/A 66680 72320 IBM
160 Cluster Platform 4000 BL685c G7, Opteron 12C 2.2 Ghz, GigE 14556 N/A 65825.4 128093 HP
186 Cluster Platform 3000 BL460c G7, Xeon X5670 2.93 Ghz, GigE 9768 N/A 59926.7 114481 HP
190 Cluster Platform 3000 BL460c G1, Xeon L5420 2.5 GHz, GigE 11280 N/A 58705.6 112800 HP
191 xSeries x3650 Cluster Xeon QC GT 2.66 GHz, Infiniband 6368 N/A 58675.3 67908.4 IBM
212 BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 5880 N/A 55656 62563 IBM
213 BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 5880 N/A 55656 62563 IBM
214 BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 5880 N/A 55656 62563 IBM
229 Cluster Platform 4000 BL685c G7, Opteron 12C 2.1 Ghz, GigE 12552 N/A 54605.3 105437 HP
234 iDataPlex, Xeon X56xx 6C 2.66 GHz, GigE 9480 N/A 53420 100867 IBM
235 iDataPlex, Xeon X56xx 6C 2.66 GHz, GigE 9480 N/A 53420 100867 IBM
279 UKMO B
Power 575, p6 4.7 GHz, Infiniband
3520 N/A 51863.3 66176 IBM
280 UKMO A
Power 575, p6 4.7 GHz, Infiniband
3520 N/A 51863.3 66176 IBM
340 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 7560 N/A 47889.3 90720 HP
352 BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 8352 N/A 47247.2 97885.4 IBM
365 xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 8096 N/A 46415.3 81931.5 IBM
404 BladeCenter HS22 Cluster, Xeon QC GT 2.53 GHz, GigEthernet 7872 N/A 44531.9 79664.6 IBM
405 BladeCenter HS22 Cluster, Xeon QC GT 2.53 GHz, GigEthernet 7872 N/A 44531.9 79664.6 IBM
415 xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 7728 N/A 43547.5 90572.2 IBM
416 xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 7728 N/A 43547.5 90572.2 IBM
483 Cluster Platform 3000 BL460c G6, Xeon L5520 2.26 GHz, GigE 8568 N/A 40730.6 77454.7 HP
485 Cluster Platform 3000 BL460c G6, Xeon X5670 2.93 GHz, 10G 4392 N/A 40597.3 51474.2 HP