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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 KB
L2 cache
256 KB
L3 cache
4 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