Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Intel(R) Xeon(R) CPU E5-2667 v2 @ 3.30GHz›Individual run

Individual benchmark run

Intel(R) Xeon(R) CPU E5-2667 v2 @ 3.30GHz

Apple000,0 · tested Jul 21, 2026, 4:36 PM · uploaded by @gavin

In Review · not yet included in the processor average

C score73,690ASM score: 60,827

System information

Processor
Intel(R) Xeon(R) CPU E5-2667 v2 @ 3.30GHz
Computer model
Apple000,0
Architecture
x86-64
Physical cores reported by run
8
Hardware threads reported by run
16
L1 cache
64 MB
L2 cache
256 MB
L3 cache
25,600 MB
Memory
65,536 MB
Operating system
macOS 15.7.7
Kernel
Darwin 24.6.0
Compiler
Clang 15.0.0 (clang-1500.3.9.4)
FOSSbench version
0.4.0
Total test time
1 min 18 sec

Score summary

C multi-core73,690
C single-core10,518
ASM multi-core60,827
ASM single-core7,882

Test environment

Background monitoring
Available
Average background CPU use
5.7%
Peak background CPU use
18.9%
Available memory before test
55,346 MB
Running processes
553
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core59,382.51 Mops/s59,382.51 million work units/sec192,4250.53 seconds1,2381643029314016
Single-core6,127.83 Mops/s6,127.83 million work units/sec19,8570.52 seconds1,98511349600877
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core49,278.66 Mops/s49,278.66 million work units/sec159,6850.57 seconds7321616178488669871602016
Single-core4,556.84 Mops/s4,556.84 million work units/sec14,7660.51 seconds977115194005656935877138
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core9,353.97 Mops/s9,353.97 million work units/sec55,6120.55 seconds16016173672393171436512
Single-core984.36 Mops/s984.36 million work units/sec5,8520.53 seconds25914622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,956.18 Mcand/s1,956.18 million work units/sec24,0910.51 seconds311673870768
Single-core415.7 Mcand/s415.7 million work units/sec5,1190.53 seconds110116382630
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core99,261.39 Mops/s99,261.39 million work units/sec150,9450.57 seconds1,1081666496785360
Single-core15,540.41 Mops/s15,540.41 million work units/sec23,6320.52 seconds2,51911333670502
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core6,480.21 MB/s6,480.21 million work units/sec96,1460.54 seconds52161397741696
Single-core587.26 MB/s587.26 million work units/sec8,7130.51 seconds721120958416
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core4,743.27 MB/s4,743.27 million work units/sec116,8290.57 seconds1601628596000224
Single-core458.04 MB/s458.04 million work units/sec11,2820.53 seconds23114223602071
Physics512-body direct-sum gravity10% of overall scoreMulti-core948.8 Mpair/s948.8 million work units/sec15,0360.55 seconds12516265134255130561760
Single-core138.32 Mpair/s138.32 million work units/sec2,1920.5 seconds26514635798535246014506
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,499.73 Mkey-cmp/s1,499.73 million work units/sec41,3150.67 seconds31615164730354230573392
Single-core199.1 Mkey-cmp/s199.1 million work units/sec5,4850.53 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core80.52 ns/access198.71 million work units/sec25,1530.56 seconds716149891648
Single-core17.96 ns/access55.68 million work units/sec7,0480.59 seconds33114570928
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core34,844.12 MB/s34,844.12 million work units/sec108,8880.53 seconds911617111517568
Single-core21,618.09 MB/s21,618.09 million work units/sec67,5570.51 seconds87911061659760