Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz›Individual run

Individual benchmark run

Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz

Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz · tested Jul 22, 2026, 4:47 PM

In Review · not yet included in the processor average

C score58,659ASM score: 67,008

System information

Processor
Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
Computer model
Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
Architecture
x86-64
Physical cores reported by run
16
Hardware threads reported by run
32
L1 cache
64 MB
L2 cache
256 MB
L3 cache
20,480 MB
Memory
253,501 MB
Operating system
Ubuntu 26.04 LTS
Kernel
Linux 7.0.0-28-generic
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 15 sec

Score summary

C multi-core58,659
C single-core7,153
ASM multi-core67,008
ASM single-core5,521

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0.1%
Available memory before test
250,989 MB
Running processes
399
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core44,656 Mops/s44,656 million work units/sec144,7050.42 seconds3703223161969952
Single-core3,541.65 Mops/s3,541.65 million work units/sec11,4770.5 seconds1,09913381589172
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core44,448.63 Mops/s44,448.63 million work units/sec144,0330.49 seconds2843216472069518256192960
Single-core3,543.28 Mops/s3,543.28 million work units/sec11,4820.5 seconds744112865244963013320762
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core6,463.63 Mops/s6,463.63 million work units/sec38,4280.4 seconds4032347344786342873024
Single-core644.29 Mops/s644.29 million work units/sec3,8300.52 seconds16814622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,279.92 Mcand/s1,279.92 million work units/sec15,7630.5 seconds103247658560
Single-core310.42 Mcand/s310.42 million work units/sec3,8230.47 seconds73110872109
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core79,570.88 Mops/s79,570.88 million work units/sec121,0020.41 seconds31932130787321760
Single-core8,648.86 Mops/s8,648.86 million work units/sec13,1520.52 seconds1,40711111405146
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core4,982.45 MB/s4,982.45 million work units/sec73,9240.48 seconds1832967667328
Single-core398.06 MB/s398.06 million work units/sec5,9060.41 seconds39165519142
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core2,886.9 MB/s2,886.9 million work units/sec71,1060.37 seconds323220971276736
Single-core270.48 MB/s270.48 million work units/sec6,6620.44 seconds11311173246985
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,018.8 Mpair/s1,018.8 million work units/sec16,1460.48 seconds5832642231980184801760
Single-core100.96 Mpair/s100.96 million work units/sec1,6000.43 seconds16714636047939568570089
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,472.51 Mkey-cmp/s1,472.51 million work units/sec40,5650.46 seconds13211882716634751595168
Single-core144.33 Mkey-cmp/s144.33 million work units/sec3,9760.44 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core162.34 ns/access197.12 million work units/sec24,9520.49 seconds332289271888
Single-core19.99 ns/access50.01 million work units/sec6,3310.54 seconds27112163064
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core29,348.22 MB/s29,348.22 million work units/sec91,7130.55 seconds403234246649856
Single-core17,652.49 MB/s17,652.49 million work units/sec55,1640.44 seconds61211064435776