Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›x86-64›Individual run

Individual benchmark run

x86-64

x86-64 · tested Jul 22, 2026, 8:25 PM · uploaded by @vex

In Review · not yet included in the processor average

C score7,461ASM score: 6,190

System information

Processor
x86-64
Computer model
x86-64
Architecture
x86-64
Physical cores reported by run
2
Hardware threads reported by run
2
L1 cache
1 MB
L2 cache
1 MB
L3 cache
1 MB
Memory
3,960 MB
Operating system
POSIX
Kernel
POSIX
Compiler
Clang 19.1.7
FOSSbench version
0.4.2
Total test time
1 min 18 sec

Score summary

C multi-core7,461
C single-core3,932
ASM multi-core6,190
ASM single-core3,248

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-core2,577.87 Mops/s2,577.87 million work units/sec8,3530.52 seconds42024949464058
Single-core1,289.09 Mops/s1,289.09 million work units/sec4,1770.52 seconds42012474732029
Wide Integer Math64-bit ALU: imul, mul, div, bitops10% of overall scoreMulti-core3,204.09 Mops/s3,204.09 million work units/sec10,3830.52 seconds34827840388112270797610
Single-core1,602.54 Mops/s1,602.54 million work units/sec5,1930.52 seconds34617493985968898189683
Floating Point Mathdouble: mulsd/addsd, divsd, sqrtsd10% of overall scoreMulti-core996.45 Mops/s996.45 million work units/sec5,9240.52 seconds13029245081086001205372
Single-core495.16 Mops/s495.16 million work units/sec2,9440.53 seconds13014622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core254.85 Mcand/s254.85 million work units/sec3,1390.49 seconds3129233846
Single-core163.63 Mcand/s163.63 million work units/sec2,0150.53 seconds4316404119
Extended InstructionsSSE2: 128-bit integer + float10% of overall scoreMulti-core7,714.19 Mops/s7,714.19 million work units/sec11,7310.52 seconds62728202591594
Single-core3,862.97 Mops/s3,862.97 million work units/sec5,8740.52 seconds62813787212981
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core465.73 MB/s465.73 million work units/sec6,9100.54 seconds302100798680
Single-core229.92 MB/s229.92 million work units/sec3,4110.53 seconds29148719362
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core281.34 MB/s281.34 million work units/sec6,9300.52 seconds7022674456920
Single-core141.24 MB/s141.24 million work units/sec3,4790.53 seconds7112200957692
Physics512-body direct-sum gravity10% of overall scoreMulti-core222.1 Mpair/s222.1 million work units/sec3,5200.52 seconds22129287900203019536568
Single-core111.19 Mpair/s111.19 million work units/sec1,7620.52 seconds22114643950101509768284
Sortingheapsort, 1M uint3210% of overall scoreMulti-core131.34 Mkey-cmp/s131.34 million work units/sec3,6180.64 seconds220
Single-core71.71 Mkey-cmp/s71.71 million work units/sec1,9750.58 seconds210
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core109.05 ns/access18.34 million work units/sec2,3210.55 seconds5223218368
Single-core105.33 ns/access9.49 million work units/sec1,2020.53 seconds5115862320
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core14,817.75 MB/s14,817.75 million work units/sec46,3050.52 seconds30722108041920
Single-core9,055.64 MB/s9,055.64 million work units/sec28,2990.52 seconds37511067830392