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, 8:10 PM · uploaded by @nova

Admin reviewed · included in the processor average

C score55,660ASM score: 55,642

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 26.6
Kernel
Darwin 25.6.0
Compiler
Clang 15.0.0 (clang-1500.3.9.4)
FOSSbench version
0.4.2
Total test time
1 min 15 sec

Score summary

C multi-core55,660
C single-core12,203
ASM multi-core55,642
ASM single-core12,373

Test environment

Background monitoring
Available
Average background CPU use
13.4%
Peak background CPU use
21.2%
Available memory before test
2,682 MB
Running processes
632
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core14,054.2 Mops/s14,054.2 million work units/sec45,5420.51 seconds565810224304216
Single-core2,322.86 Mops/s2,322.86 million work units/sec7,5270.52 seconds75513644295829
Wide Integer Math64-bit ALU: madd, umulh, udiv, bitops10% of overall scoreMulti-core18,872.77 Mops/s18,872.77 million work units/sec61,1560.53 seconds52384942137408037848760
Single-core3,930.45 Mops/s3,930.45 million work units/sec12,7360.52 seconds853118355785687110089431
Floating Point Mathdouble: fmadd, fdiv, fsqrt10% of overall scoreMulti-core9,251.36 Mops/s9,251.36 million work units/sec55,0020.51 seconds295886836196585718256
Single-core1,518.28 Mops/s1,518.28 million work units/sec9,0270.52 seconds39614622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,575.2 Mcand/s4,575.2 million work units/sec56,3450.54 seconds1548183485456
Single-core1,206.83 Mcand/s1,206.83 million work units/sec14,8620.52 seconds313146616029
Extended InstructionsNEON ASIMD: 128-bit integer + float10% of overall scoreMulti-core41,129.31 Mops/s41,129.31 million work units/sec62,5450.4 seconds649822573173904
Single-core7,136.63 Mops/s7,136.63 million work units/sec10,8530.52 seconds1,1591837408885
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core3,779.25 MB/s3,779.25 million work units/sec56,0720.51 seconds578766069968
Single-core649.96 MB/s649.96 million work units/sec9,6430.47 seconds731122638394
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core1,377.06 MB/s1,377.06 million work units/sec33,9180.53 seconds87824301191048
Single-core236.95 MB/s236.95 million work units/sec5,8360.52 seconds11811990599063
Physics512-body direct-sum gravity10% of overall scoreMulti-core2,715.2 Mpair/s2,715.2 million work units/sec43,0300.52 seconds6738235068735852578520
Single-core605.83 Mpair/s605.83 million work units/sec9,6010.52 seconds1,200113858731368669789605
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,593 Mkey-cmp/s1,593 million work units/sec43,8840.53 seconds5816805737213970062504
Single-core371.14 Mkey-cmp/s371.14 million work units/sec10,2240.51 seconds914406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core97.26 ns/access82.26 million work units/sec10,4120.58 seconds6854326376
Single-core19.93 ns/access50.18 million work units/sec6,3520.48 seconds24111238376
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core47,099.59 MB/s47,099.59 million work units/sec147,1860.52 seconds24388542132928
Single-core30,389.67 MB/s30,389.67 million work units/sec94,9680.43 seconds1,03311069178760