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	E3-1220v3	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