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FOSSbench
Results›Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz›Individual run

Individual benchmark run

Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz

Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz · tested Jul 22, 2026, 2:38 AM · uploaded by @gavin

In Review · not yet included in the processor average

C score21,302ASM score: 17,064

System information

Processor
Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz
Computer model
Intel(R) Core(TM) i7-5557U CPU @ 3.10GHz
Architecture
x86-64
Physical cores reported by run
2
Hardware threads reported by run
4
L1 cache
64 MB
L2 cache
256 MB
L3 cache
4,096 MB
Memory
15,898 MB
Operating system
NixOS 26.05 (Yarara)
Kernel
Linux 6.18.34
Compiler
GCC 15.2.0
FOSSbench version
0.4.2
Total test time
1 min 19 sec

Score summary

C multi-core21,302
C single-core10,575
ASM multi-core17,064
ASM single-core7,177

Test environment

Background monitoring
Available
Average background CPU use
0.3%
Peak background CPU use
0.5%
Available memory before test
14,525 MB
Running processes
239
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core18,191.99 Mops/s18,191.99 million work units/sec58,9500.45 seconds1,28943738092356
Single-core6,078.38 Mops/s6,078.38 million work units/sec19,6970.52 seconds1,97513046738080
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core16,474.14 Mops/s16,474.14 million work units/sec53,3830.53 seconds907417569653821300377920
Single-core5,626.83 Mops/s5,626.83 million work units/sec18,2330.52 seconds1,21916174631636143810241
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core3,263.43 Mops/s3,263.43 million work units/sec19,4020.59 seconds242443418098292859128
Single-core978.65 Mops/s978.65 million work units/sec5,8180.52 seconds25514622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core265.48 Mcand/s265.48 million work units/sec3,2690.51 seconds17410127444
Single-core379.37 Mcand/s379.37 million work units/sec4,6720.58 seconds110116382630
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core34,730.06 Mops/s34,730.06 million work units/sec52,8130.53 seconds1,43145463657764
Single-core18,008.87 Mops/s18,008.87 million work units/sec27,3860.52 seconds2,93113811278353
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core1,267.12 MB/s1,267.12 million work units/sec18,8000.54 seconds414275516392
Single-core483.21 MB/s483.21 million work units/sec7,1690.52 seconds601100798680
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core1,015.79 MB/s1,015.79 million work units/sec25,0190.53 seconds12847069471384
Single-core412.47 MB/s412.47 million work units/sec10,1590.52 seconds20411853275868
Physics512-body direct-sum gravity10% of overall scoreMulti-core582.81 Mpair/s582.81 million work units/sec9,2360.48 seconds265496450067274506408
Single-core305.64 Mpair/s305.64 million work units/sec4,8440.52 seconds60714631267546777282368
Sortingheapsort, 1M uint3210% of overall scoreMulti-core358.59 Mkey-cmp/s358.59 million work units/sec9,8780.7 seconds3417626240643839807060
Single-core173.29 Mkey-cmp/s173.29 million work units/sec4,7740.61 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core91.56 ns/access43.69 million work units/sec5,5300.55 seconds6430001496
Single-core70.63 ns/access14.16 million work units/sec1,7920.57 seconds813098456
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core13,604.91 MB/s13,604.91 million work units/sec42,5150.48 seconds12944267795744
Single-core12,431.11 MB/s12,431.11 million work units/sec38,8470.52 seconds51211065357312