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FOSSbench
Results›Pentium III (Coppermine)›Individual run

Individual benchmark run

Pentium III (Coppermine)

Pentium III (Coppermine) · tested Sep 27, 2026, 4:17 PM

In Review · not yet included in the processor average

C score248ASM score: 249

System information

Processor
Pentium III (Coppermine)
Computer model
Pentium III (Coppermine)
Architecture
x86 32-bit
Physical cores reported by run
1
Hardware threads reported by run
1
L1 cache
1 KB
L2 cache
1 KB
L3 cache
1 KB
Memory
491 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
2 min 30 sec

Score summary

C multi-core248
C single-core251
ASM multi-core249
ASM single-core256

Test environment

Background monitoring
Available
Average background CPU use
37.2%
Peak background CPU use
50.5%
Available memory before test
392 MB
Running processes
125
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core148.39 Mops/s148.39 million work units/sec4810.89 seconds8312328380479
Single-core168.82 Mops/s168.82 million work units/sec5470.75 seconds791437377623
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core47.51 Mops/s47.51 million work units/sec1541.01 seconds2013938958640199854493
Single-core48.22 Mops/s48.22 million work units/sec1561 seconds2013938958640199854493
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core38.79 Mops/s38.79 million work units/sec2311.03 seconds2014622540543000602686
Single-core40.64 Mops/s40.64 million work units/sec2420.98 seconds2014622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core3.31 Mcand/s3.31 million work units/sec410.6 seconds11148933
Single-core3.23 Mcand/s3.23 million work units/sec400.62 seconds11148933
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core727.84 Mops/s727.84 million work units/sec1,1070.64 seconds145134040108
Single-core600.52 Mops/s600.52 million work units/sec9130.43 seconds8113875501989
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core23.66 MB/s23.66 million work units/sec3510.53 seconds315039934
Single-core22.96 MB/s22.96 million work units/sec3410.55 seconds315039934
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core24.63 MB/s24.63 million work units/sec6070.38 seconds91752990721
Single-core24.68 MB/s24.68 million work units/sec6080.89 seconds2112279335286
Physics512-body direct-sum gravity10% of overall scoreMulti-core4.44 Mpair/s4.44 million work units/sec700.94 seconds1614640495910800819935
Single-core4.89 Mpair/s4.89 million work units/sec780.75 seconds1414643246042401473736
Sortingheapsort, 1M uint3210% of overall scoreMulti-core6.44 Mkey-cmp/s6.44 million work units/sec1773.26 seconds114406560160959951765
Single-core6.47 Mkey-cmp/s6.47 million work units/sec1783.24 seconds114406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core269.26 ns/access3.71 million work units/sec4700.54 seconds212833224
Single-core224.7 ns/access4.45 million work units/sec5630.67 seconds317208016
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core136.59 MB/s136.59 million work units/sec4271.47 seconds1611065620608
Single-core146.68 MB/s146.68 million work units/sec4581.37 seconds1611065620608