Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Arm Cortex-A55 + Arm Cortex-A78›Individual run

Individual benchmark run

Arm Cortex-A55 + Arm Cortex-A78

HMD Global HMD Skyline · tested Aug 26, 2026, 10:54 PM · uploaded by @l_28

In Review · not yet included in the processor average

C score24,031ASM score: 22,206

System information

Processor
Arm Cortex-A55 + Arm Cortex-A78
Computer model
HMD Global HMD Skyline
Architecture
ARM64
Physical cores reported by run
8
Hardware threads reported by run
8
L1 cache
1 MB
L2 cache
1 MB
L3 cache
1 MB
Memory
7,441 MB
Operating system
Debian GNU/Linux 13 (trixie)
Kernel
Linux 5.10.237-android12-9-00004-gb8dc0bda0c35-ab14536156
Compiler
Clang 19.1.7 (3+b1)
FOSSbench version
0.4.2
Total test time
1 min 19 sec

Score summary

C multi-core24,031
C single-core7,391
ASM multi-core22,206
ASM single-core6,860

Test environment

Background monitoring
Unavailable
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
Not reported
Running processes
-1
Activity sample duration
0 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core35,883.37 Mops/s35,883.37 million work units/sec116,2780.56 seconds1,573816265345240
Single-core6,368.72 Mops/s6,368.72 million work units/sec20,6370.52 seconds2,06912283959435
Wide Integer Math64-bit ALU: madd, umulh, udiv, bitops10% of overall scoreMulti-core26,224.04 Mops/s26,224.04 million work units/sec84,9770.43 seconds58787080478447486585328
Single-core5,028.66 Mops/s5,028.66 million work units/sec16,2950.5 seconds1,05616889002125907666628
Floating Point Mathdouble: fmadd, fdiv, fsqrt10% of overall scoreMulti-core5,865.64 Mops/s5,865.64 million work units/sec34,8730.55 seconds202886836196585718256
Single-core1,292.52 Mops/s1,292.52 million work units/sec7,6840.52 seconds33714622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core133.2 Mcand/s133.2 million work units/sec1,6400.6 seconds585957320
Single-core314.23 Mcand/s314.23 million work units/sec3,8700.46 seconds73110872109
Extended InstructionsNEON ASIMD: 128-bit integer + float10% of overall scoreMulti-core18,465.11 Mops/s18,465.11 million work units/sec28,0800.47 seconds342814267823040
Single-core2,549.87 Mops/s2,549.87 million work units/sec3,8780.52 seconds415188408810
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core2,402.61 MB/s2,402.61 million work units/sec35,6470.41 seconds298389754896
Single-core466.26 MB/s466.26 million work units/sec6,9180.52 seconds58197438724
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core1,336.94 MB/s1,336.94 million work units/sec32,9300.51 seconds82831560527392
Single-core179.28 MB/s179.28 million work units/sec4,4160.52 seconds89128411292
Physics512-body direct-sum gravity10% of overall scoreMulti-core792.88 Mpair/s792.88 million work units/sec12,5650.47 seconds1788184598454166691576
Single-core185.64 Mpair/s185.64 million work units/sec2,9420.56 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core229.71 Mkey-cmp/s229.71 million work units/sec6,3280.73 seconds1816805737213970062504
Single-core98.01 Mkey-cmp/s98.01 million work units/sec2,7000.64 seconds314406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core150.3 ns/access53.23 million work units/sec6,7380.45 seconds3872328472
Single-core107.2 ns/access9.33 million work units/sec1,1810.54 seconds5115862320
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core13,870.63 MB/s13,870.63 million work units/sec43,3460.5 seconds6988578065216
Single-core16,537.99 MB/s16,537.99 million work units/sec51,6810.51 seconds66411061954944