Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›AMD Athlon(tm) XP 2400+›Individual run

Individual benchmark run

AMD Athlon(tm) XP 2400+

AMD Athlon(tm) XP 2400+ · tested Aug 8, 2026, 4:27 PM

In Review · not yet included in the processor average

C score939ASM score: 952

System information

Processor
AMD Athlon(tm) XP 2400+
Computer model
AMD Athlon(tm) XP 2400+
Architecture
x86 32-bit
Physical cores reported by run
1
Hardware threads reported by run
1
L1 cache
128 MB
L2 cache
256 MB
L3 cache
256 MB
Memory
490 MB
Operating system
Debian GNU/Linux 13 (trixie)
Kernel
Linux 5.10.240-antix.1-486-smp
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 33 sec

Score summary

C multi-core939
C single-core929
ASM multi-core952
ASM single-core927

Test environment

Background monitoring
Available
Average background CPU use
17.7%
Peak background CPU use
22%
Available memory before test
157 MB
Running processes
133
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core474.62 Mops/s474.62 million work units/sec1,5380.48 seconds14111990236485
Single-core500.83 Mops/s500.83 million work units/sec1,6230.51 seconds16112668374579
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core130.97 Mops/s130.97 million work units/sec4240.62 seconds3413657280537781340198
Single-core132.76 Mops/s132.76 million work units/sec4300.65 seconds36113732871650456028612
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core148.73 Mops/s148.73 million work units/sec8840.52 seconds3914622540543000602686
Single-core135.82 Mops/s135.82 million work units/sec8070.5 seconds3414622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core12.53 Mcand/s12.53 million work units/sec1540.64 seconds41595732
Single-core11.76 Mcand/s11.76 million work units/sec1450.68 seconds41595732
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core2,807.62 Mops/s2,807.62 million work units/sec4,2700.49 seconds4311681163404
Single-core2,585.74 Mops/s2,585.74 million work units/sec3,9320.65 seconds5241979334472
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core85.3 MB/s85.3 million work units/sec1,2660.69 seconds14123519692
Single-core85.64 MB/s85.64 million work units/sec1,2710.69 seconds14123519692
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core103.38 MB/s103.38 million work units/sec2,5460.58 seconds5713321618441
Single-core104.65 MB/s104.65 million work units/sec2,5780.65 seconds6512141457001
Physics512-body direct-sum gravity10% of overall scoreMulti-core22.62 Mpair/s22.62 million work units/sec3580.45 seconds3914639383272798346915
Single-core22.41 Mpair/s22.41 million work units/sec3550.66 seconds5614631503852505213967
Sortingheapsort, 1M uint3210% of overall scoreMulti-core20.53 Mkey-cmp/s20.53 million work units/sec5661.02 seconds114406560160959951765
Single-core19.34 Mkey-cmp/s19.34 million work units/sec5331.08 seconds114406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core144.02 ns/access6.94 million work units/sec8790.58 seconds412253268
Single-core148.1 ns/access6.75 million work units/sec8550.74 seconds517931160
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core687.73 MB/s687.73 million work units/sec2,1490.62 seconds3411064380192
Single-core771.58 MB/s771.58 million work units/sec2,4110.6 seconds3711061332688