Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Intel(R) Pentium(R) 4 CPU 2.40GHz›Individual run

Individual benchmark run

Intel(R) Pentium(R) 4 CPU 2.40GHz

Intel(R) Pentium(R) 4 CPU 2.40GHz · tested Aug 8, 2026, 5:00 PM

In Review · not yet included in the processor average

C score1,027ASM score: 1,026

System information

Processor
Intel(R) Pentium(R) 4 CPU 2.40GHz
Computer model
Intel(R) Pentium(R) 4 CPU 2.40GHz
Architecture
x86 32-bit
Physical cores reported by run
1
Hardware threads reported by run
1
L1 cache
1 MB
L2 cache
1 MB
L3 cache
1 MB
Memory
990 MB
Operating system
Debian GNU/Linux 12 (bookworm)
Kernel
Linux 5.10.230-antix.1-686-smp-pae
Compiler
GCC 13.3.0
FOSSbench version
0.4.2
Total test time
1 min 24 sec

Score summary

C multi-core1,027
C single-core1,028
ASM multi-core1,026
ASM single-core1,026

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
807 MB
Running processes
86
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core411.13 Mops/s411.13 million work units/sec1,3320.52 seconds13414110343344
Single-core411.14 Mops/s411.14 million work units/sec1,3320.52 seconds13414110343344
Wide Integer Mathi386 integer ALU and software 64-bit arithmetic10% of overall scoreMulti-core158.55 Mops/s158.55 million work units/sec5140.53 seconds35116550918166623962659
Single-core158.52 Mops/s158.52 million work units/sec5140.53 seconds35116550918166623962659
Floating Point Mathx87 scalar double-precision floating point10% of overall scoreMulti-core142.85 Mops/s142.85 million work units/sec8490.53 seconds3814622540543000602686
Single-core142.87 Mops/s142.87 million work units/sec8490.53 seconds3814622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core11.88 Mcand/s11.88 million work units/sec1460.67 seconds41595732
Single-core11.87 Mcand/s11.87 million work units/sec1460.67 seconds41595732
Extended Instructionsscalar extended-instruction fallback10% of overall scoreMulti-core3,299.3 Mops/s3,299.3 million work units/sec5,0170.52 seconds53712213268580
Single-core3,296.46 Mops/s3,296.46 million work units/sec5,0130.52 seconds53612047859749
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core76.74 MB/s76.74 million work units/sec1,1390.49 seconds9115119802
Single-core76.74 MB/s76.74 million work units/sec1,1390.49 seconds9115119802
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core106.08 MB/s106.08 million work units/sec2,6130.52 seconds531804134949
Single-core106.42 MB/s106.42 million work units/sec2,6210.52 seconds531804134949
Physics512-body direct-sum gravity10% of overall scoreMulti-core26.7 Mpair/s26.7 million work units/sec4230.52 seconds5314637361372553037196
Single-core26.71 Mpair/s26.71 million work units/sec4230.53 seconds5414636520684294742722
Sortingheapsort, 1M uint3210% of overall scoreMulti-core25.16 Mkey-cmp/s25.16 million work units/sec6930.83 seconds114406560160959951765
Single-core25.19 Mkey-cmp/s25.19 million work units/sec6940.83 seconds114406560160959951765
Memory Latencydependent-load pointer chase, 8 MiB0% of overall scoreMulti-core138.56 ns/access7.22 million work units/sec9140.55 seconds412253268
Single-core138.63 ns/access7.21 million work units/sec9130.55 seconds412253268
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core1,126.37 MB/s1,126.37 million work units/sec3,5200.53 seconds4711066649656
Single-core1,126.59 MB/s1,126.59 million work units/sec3,5210.52 seconds4711066649656