Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench

Individual benchmark run

Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz

Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz · tested Aug 26, 2026, 10:39 PM · uploaded by @l_28

In Review · not yet included in the processor average

C score77,150ASM score: 66,557

System information

Processor
Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
Computer model
Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
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
128,361 MB
Operating system
AlmaLinux 8.10 (Cerulean Leopard)
Kernel
Linux 4.18.0-553.72.1.el8_10.x86_64
Compiler
GCC 8.5.0 20210514 (Red Hat 8.5.0-28)
FOSSbench version
0.4.2
Total test time
1 min 18 sec

Score summary

C multi-core77,150
C single-core6,442
ASM multi-core66,557
ASM single-core5,190

Test environment

Background monitoring
Available
Average background CPU use
0.1%
Peak background CPU use
0.2%
Available memory before test
121,568 MB
Running processes
543
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core57,912.75 Mops/s57,912.75 million work units/sec187,6630.48 seconds5483255736656032
Single-core3,245.49 Mops/s3,245.49 million work units/sec10,5170.51 seconds1,02811671407607
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core61,611.25 Mops/s61,611.25 million work units/sec199,6480.49 seconds3963218260048114719556448
Single-core3,108.58 Mops/s3,108.58 million work units/sec10,0730.51 seconds666117740347923571206013
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core8,606.04 Mops/s8,606.04 million work units/sec51,1660.49 seconds6632347344786342873024
Single-core579.67 Mops/s579.67 million work units/sec3,4460.5 seconds14514622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core1,501.88 Mcand/s1,501.88 million work units/sec18,4960.6 seconds143266721984
Single-core323.42 Mcand/s323.42 million work units/sec3,9830.45 seconds73110872109
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core112,939.05 Mops/s112,939.05 million work units/sec171,7440.42 seconds461322932218176
Single-core8,351.74 Mops/s8,351.74 million work units/sec12,7000.52 seconds1,34918536887
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core6,590 MB/s6,590 million work units/sec97,7740.49 seconds24321290223104
Single-core339.06 MB/s339.06 million work units/sec5,0310.51 seconds41168879098
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core4,379.53 MB/s4,379.53 million work units/sec107,8700.51 seconds663248847546432
Single-core286.58 MB/s286.58 million work units/sec7,0590.5 seconds13812390936297
Physics512-body direct-sum gravity10% of overall scoreMulti-core837.27 Mpair/s837.27 million work units/sec13,2690.53 seconds5332821611332020780640
Single-core63.21 Mpair/s63.21 million work units/sec1,0020.51 seconds12314637973844082160344
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,965.9 Mkey-cmp/s1,965.9 million work units/sec54,1570.68 seconds2320
Single-core132.09 Mkey-cmp/s132.09 million work units/sec3,6390.64 seconds410
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core144.11 ns/access222.05 million work units/sec28,1080.43 seconds332289271888
Single-core16.35 ns/access61.15 million work units/sec7,7400.54 seconds33114570928
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core51,795.84 MB/s51,795.84 million work units/sec161,8620.45 seconds583234222524928
Single-core16,479.74 MB/s16,479.74 million work units/sec51,4990.52 seconds67711065437032