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

Individual benchmark run

Apple M1

MacBookAir10,1 · tested Jul 21, 2026, 1:26 AM · uploaded by @owen

Admin reviewed · included in the processor average

C score57,276ASM score: 57,071

System information

Processor
Apple M1
Computer model
MacBookAir10,1
Architecture
ARM64
Physical cores reported by run
8
Hardware threads reported by run
8
L1 cache
192 MB
L2 cache
4,096 MB
L3 cache
4,096 MB
Memory
8,192 MB
Operating system
macOS 26.5.1
Kernel
Darwin 25.5.0
Compiler
Clang 15.0.0 (clang-1500.3.9.4)
FOSSbench version
0.4.0
Total test time
1 min 15 sec

Score summary

C multi-core57,276
C single-core12,260
ASM multi-core57,071
ASM single-core12,403

Test environment

Background monitoring
Available
Average background CPU use
5.8%
Peak background CPU use
26.9%
Available memory before test
3,040 MB
Running processes
756
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core14,526.35 Mops/s14,526.35 million work units/sec47,0720.52 seconds587832081845008
Single-core2,326.84 Mops/s2,326.84 million work units/sec7,5400.52 seconds7541425643923
Wide Integer Math64-bit ALU: madd, umulh, udiv, bitops10% of overall scoreMulti-core19,782.07 Mops/s19,782.07 million work units/sec64,1030.51 seconds528816279705444478521088
Single-core3,940.33 Mops/s3,940.33 million work units/sec12,7680.52 seconds854110795363666077146712
Floating Point Mathdouble: fmadd, fdiv, fsqrt10% of overall scoreMulti-core9,498.45 Mops/s9,498.45 million work units/sec56,4710.52 seconds308886836196585718256
Single-core1,523.5 Mops/s1,523.5 million work units/sec9,0580.52 seconds39514622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,625.26 Mcand/s4,625.26 million work units/sec56,9610.53 seconds1528181102528
Single-core1,201.72 Mcand/s1,201.72 million work units/sec14,8000.52 seconds313146616029
Extended InstructionsNEON ASIMD: 128-bit integer + float10% of overall scoreMulti-core43,593.49 Mops/s43,593.49 million work units/sec66,2920.57 seconds97482348072000
Single-core7,148.29 Mops/s7,148.29 million work units/sec10,8700.52 seconds1,16313947787224
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core3,854.6 MB/s3,854.6 million work units/sec57,1900.49 seconds568752630144
Single-core652.75 MB/s652.75 million work units/sec9,6850.47 seconds731122638394
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core1,418.07 MB/s1,418.07 million work units/sec34,9280.53 seconds898227290336
Single-core237.49 MB/s237.49 million work units/sec5,8500.52 seconds11811990599063
Physics512-body direct-sum gravity10% of overall scoreMulti-core2,806.91 Mpair/s2,806.91 million work units/sec44,4830.51 seconds6798173719708773654144
Single-core616.96 Mpair/s616.96 million work units/sec9,7770.51 seconds1,20514641064254664010356
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,631.07 Mkey-cmp/s1,631.07 million work units/sec44,9330.51 seconds5816805737213970062504
Single-core369.88 Mkey-cmp/s369.88 million work units/sec10,1900.51 seconds914406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core92.88 ns/access86.13 million work units/sec10,9030.56 seconds6854326376
Single-core17.1 ns/access58.48 million work units/sec7,4030.51 seconds30110611984
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core47,324.52 MB/s47,324.52 million work units/sec147,8890.52 seconds24488538047744
Single-core30,996.48 MB/s30,996.48 million work units/sec96,8640.42 seconds1,03311069178760