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, 5:08 PM

In Review · not yet included in the processor average

C score954ASM score: 950

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
1,504 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 32 sec

Score summary

C multi-core954
C single-core938
ASM multi-core950
ASM single-core943

Test environment

Background monitoring
Available
Average background CPU use
20%
Peak background CPU use
28%
Available memory before test
987 MB
Running processes
140
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core472.28 Mops/s472.28 million work units/sec1,5300.72 seconds21411507413516
Single-core478.88 Mops/s478.88 million work units/sec1,5520.54 seconds16112668374579
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core131.66 Mops/s131.66 million work units/sec4270.57 seconds3116888662543154800574
Single-core133.19 Mops/s133.19 million work units/sec4320.67 seconds37110131161407962053132
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core149.56 Mops/s149.56 million work units/sec8890.56 seconds4214622540543000602686
Single-core133.49 Mops/s133.49 million work units/sec7940.6 seconds4014622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core13.39 Mcand/s13.39 million work units/sec1650.6 seconds41595732
Single-core12.95 Mcand/s12.95 million work units/sec1590.46 seconds31446799
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core2,719.5 Mops/s2,719.5 million work units/sec4,1350.53 seconds44912969056753
Single-core2,688.14 Mops/s2,688.14 million work units/sec4,0880.63 seconds5281915054758
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core83.98 MB/s83.98 million work units/sec1,2460.45 seconds9115119802
Single-core83.24 MB/s83.24 million work units/sec1,2350.71 seconds14123519692
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core113.02 MB/s113.02 million work units/sec2,7840.58 seconds6213107905853
Single-core110 MB/s110 million work units/sec2,7090.31 seconds3311170706317
Physics512-body direct-sum gravity10% of overall scoreMulti-core22.98 Mpair/s22.98 million work units/sec3640.38 seconds3314634818433114387042
Single-core22.41 Mpair/s22.41 million work units/sec3550.56 seconds4814632314549580459458
Sortingheapsort, 1M uint3210% of overall scoreMulti-core20.89 Mkey-cmp/s20.89 million work units/sec5751 seconds114406560160959951765
Single-core20.38 Mkey-cmp/s20.38 million work units/sec5621.03 seconds114406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core148.26 ns/access6.74 million work units/sec8540.74 seconds517931160
Single-core143.3 ns/access6.98 million work units/sec8830.57 seconds412253268
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core691.36 MB/s691.36 million work units/sec2,1600.51 seconds2811067914208
Single-core727.99 MB/s727.99 million work units/sec2,2750.62 seconds3611072242208