Simple page about the peak performance of Atlas

Components

CPUs

CPU single precision peak performance [GFlops/s] cores clock [GHz]
Intel Xeon 3220 38.4 4 2.4
Intel Xeon E5504 32.0 4 2.0
Intel Xeon E3-1220v3 198.4 4 3.1
Intel Xeon E5-1650v2 153.6 6 (12) 3.5

GPUs

GPU single precision peak performance [GFlops/s] cores clock [GHz]
Nvidia Tesla C1060 933 30 * 8 = 240 1.3
Nvidia Fermi C2050 1030 14 * 32 = 448 1.15
Nvidia GT 640 693 2 * 192 = 384 0.9
Nvidia GTX 750 1110 32 * 16 = 512 1.0

Atlas Totals

date TFlops/s CPU !GPU
2008-05-30 51.7 51.7  
2009-01-01 64.5 64.5  
2010-01-01 189.7 66.6 123.1
2011-01-01 325.7 66.6 259.1
2014-11-18 943.7 417.1 526.6

CPUs only

Table cell data is number of machines (TFlops contributed)

date TFlops/s X3220 E5504 E3-1220v3Sorted ascending E5-1220v2
2008-05-30 51.7 1344 (51.7)      
2009-01-01 64.5 1680 (64.5)      
2010-01-01 66.6 1680 (64.5) 66 (2.1)    
2014-11-18 417.1 1172 (45.0) 62 (2.0) 1826 (362.3) 51 (7.8)

GPUs only

Table cell data is number of machines (TFlops contributed)

date TFlops/s C1060 C2050 GT640 GTX750
2010-01-01 123.1 132 (123.1)    
2011-01-01 259.1 132 (123.1) 132 (136.0)    
2014-11-18 526.6 100 (93.3) 118 (121.5) 447 (309.6) 2 (2.2)

2008-05-30

breakdown total peak TFlops/s
# type
1344 X3220 51.6
CPU total: 51.6
Grand total: 51.6

2009-01-01

breakdown total peak TFlops/s
# type
1680 X3220 64.5
CPU total: 64.5
Grand total: 64.5

2010-01-01

breakdown total peak TFlops/s
# type
132 C1060 123.1
1680 X3220 64.5
66 E5504 2.1
CPU total: 66.6
GPU total: 123.1
Grand total: 189.7

2011-01-01

breakdown total peak TFlops/s
# type
132 C2050 136.0
132 C1060 123.1
1680 X3220 64.5
66 E5504 2.1
CPU total: 66.6
GPU total: 259.1
Grand total: 325.7

2014-11-18

breakdown total peak TFlops/s
# type
1826 E3-1220v3 362.3
1172 X3220 45.0
51 E5-1650v2 7.8
62 E5504 2.0
447 GT640 309.6
118 C2050 121.5
100 C1060 93.3
2 GTX 750 2.2
CPU total: 417.1
GPU total: 526.6
Grand total: 943.7

References

Intel CPU performance reference

GPU comparison

-- CarstenAulbert - 18 Nov 2014
Topic revision: r4 - 01 Dec 2014, CarstenAulbert
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