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FOSSbench
Results›Pentium III (Coppermine)›Individual run

Individual benchmark run

Pentium III (Coppermine)

Pentium III (Coppermine) · tested Oct 15, 2026, 10:00 AM

In Review · not yet included in the processor average

C score342ASM score: 335

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 4 sec

Score summary

C multi-core342
C single-core325
ASM multi-core335
ASM single-core324

Test environment

Background monitoring
Available
Average background CPU use
25.4%
Peak background CPU use
31.3%
Available memory before test
385 MB
Running processes
131
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core228.6 Mops/s228.6 million work units/sec7410.64 seconds9112241608273
Single-core197.19 Mops/s197.19 million work units/sec6390.75 seconds9212769783867
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core68.5 Mops/s68.5 million work units/sec2220.7 seconds2013938958640199854493
Single-core61.58 Mops/s61.58 million work units/sec2000.78 seconds2013938958640199854493
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core57.23 Mops/s57.23 million work units/sec3400.7 seconds2014622540543000602686
Single-core52.95 Mops/s52.95 million work units/sec3150.76 seconds2014622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core5.08 Mcand/s5.08 million work units/sec630.39 seconds11148933
Single-core4.58 Mcand/s4.58 million work units/sec560.44 seconds11148933
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core838.13 Mops/s838.13 million work units/sec1,2750.73 seconds19013815396028
Single-core943.79 Mops/s943.79 million work units/sec1,4350.55 seconds1611687624326
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core30.73 MB/s30.73 million work units/sec4560.55 seconds416719912
Single-core28.66 MB/s28.66 million work units/sec4250.73 seconds518399890
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core35.67 MB/s35.67 million work units/sec8790.65 seconds2211142270336
Single-core31.12 MB/s31.12 million work units/sec7660.74 seconds2211142270336
Physics512-body direct-sum gravity10% of overall scoreMulti-core6.67 Mpair/s6.67 million work units/sec1060.59 seconds1514641502521690856163
Single-core6.5 Mpair/s6.5 million work units/sec1030.52 seconds1314642379238253899511
Sortingheapsort, 1M uint3210% of overall scoreMulti-core7.97 Mkey-cmp/s7.97 million work units/sec2192.63 seconds114406560160959951765
Single-core7.99 Mkey-cmp/s7.99 million work units/sec2202.63 seconds114406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core203.59 ns/access4.91 million work units/sec6220.61 seconds317208016
Single-core228.8 ns/access4.37 million work units/sec5530.69 seconds317208016
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core170.7 MB/s170.7 million work units/sec5331.18 seconds1611065620608
Single-core174.18 MB/s174.18 million work units/sec5441.16 seconds1611065620608