Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Intel(R) Xeon(R) CPU L5520 @ 2.27GHz›Individual run

Individual benchmark run

Intel(R) Xeon(R) CPU L5520 @ 2.27GHz

Intel(R) Xeon(R) CPU L5520 @ 2.27GHz · tested Jul 21, 2026, 1:14 AM · uploaded by @nova

Admin reviewed · included in the processor average

C score29,375ASM score: 25,463

System information

Processor
Intel(R) Xeon(R) CPU L5520 @ 2.27GHz
Computer model
Intel(R) Xeon(R) CPU L5520 @ 2.27GHz
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
8,192 MB
Memory
24,066 MB
Operating system
Debian GNU/Linux 13 (trixie)
Kernel
Linux 7.0.14-4-pve
Compiler
GCC 14.2.0
FOSSbench version
0.4.0
Total test time
1 min 19 sec

Score summary

C multi-core29,375
C single-core5,001
ASM multi-core25,463
ASM single-core3,715

Test environment

Background monitoring
Available
Average background CPU use
0.8%
Peak background CPU use
4.4%
Available memory before test
20,664 MB
Running processes
466
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core28,991.36 Mops/s28,991.36 million work units/sec93,9450.45 seconds510167795989776
Single-core2,583.47 Mops/s2,583.47 million work units/sec8,3720.52 seconds84113017047378
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core23,032.87 Mops/s23,032.87 million work units/sec74,6370.5 seconds2981617096096304794747360
Single-core2,191.83 Mops/s2,191.83 million work units/sec7,1020.52 seconds476117486688484657028643
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core3,153.79 Mops/s3,153.79 million work units/sec18,7500.5 seconds4916173672393171436512
Single-core415.98 Mops/s415.98 million work units/sec2,4730.52 seconds10914622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core294.65 Mcand/s294.65 million work units/sec3,6290.65 seconds61614297568
Single-core219.08 Mcand/s219.08 million work units/sec2,6980.52 seconds5718489181
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core49,746.06 Mops/s49,746.06 million work units/sec75,6480.61 seconds5921665274049056
Single-core6,865.46 Mops/s6,865.46 million work units/sec10,4400.52 seconds1,11611092341737
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core2,498.47 MB/s2,498.47 million work units/sec37,0690.51 seconds1916510713312
Single-core261.69 MB/s261.69 million work units/sec3,8830.53 seconds33155439274
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core2,054.37 MB/s2,054.37 million work units/sec50,6000.52 seconds641633787188096
Single-core259.75 MB/s259.75 million work units/sec6,3980.52 seconds12912561824785
Physics512-body direct-sum gravity10% of overall scoreMulti-core618.74 Mpair/s618.74 million work units/sec9,8060.51 seconds7516229572586382675568
Single-core82.79 Mpair/s82.79 million work units/sec1,3120.51 seconds16214633897384332928138
Sortingheapsort, 1M uint3210% of overall scoreMulti-core699.29 Mkey-cmp/s699.29 million work units/sec19,2640.48 seconds11615164730354230573392
Single-core102.92 Mkey-cmp/s102.92 million work units/sec2,8350.61 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core148.64 ns/access107.64 million work units/sec13,6260.45 seconds316139261288
Single-core60.5 ns/access16.53 million work units/sec2,0920.54 seconds914619504
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core11,971.43 MB/s11,971.43 million work units/sec37,4110.54 seconds321617054076928
Single-core8,174.36 MB/s8,174.36 million work units/sec25,5450.41 seconds26711062577200