Alpha software: FOSSbench scores have not yet been tested to be 100% accurate.
FOSSbench
Results›Power11 (architected), altivec supported›Individual run

Individual benchmark run

Power11 (architected), altivec supported

IBM,9824-42A · tested Sep 14, 2026, 8:01 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score87,752ASM score: 85,894

System information

Processor
Power11 (architected), altivec supported
Computer model
IBM,9824-42A
Architecture
PowerPC 64-bit big-endian
Physical cores reported by run
2
Hardware threads reported by run
16
L1 cache
80 KB
L2 cache
80 KB
L3 cache
80 KB
Memory
3,441 MB
Operating system
Red Hat Enterprise Linux 10.2 (Coughlan)
Kernel
Linux 6.12.0-211.7.3.el10_2.ppc64le
Compiler
GCC 14.3.1 20251022 (Red Hat 14.3.1-4)
FOSSbench version
0.4.2
Total test time
1 min 19 sec

Score summary

C multi-core87,752
C single-core11,185
ASM multi-core85,894
ASM single-core10,429

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0.1%
Available memory before test
2,176 MB
Running processes
249
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core58,589.7 Mops/s58,589.7 million work units/sec189,8560.52 seconds1,1881623534463952
Single-core4,104.07 Mops/s4,104.07 million work units/sec13,2990.5 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core51,805.06 Mops/s51,805.06 million work units/sec167,8710.52 seconds7031618014918696975873344
Single-core3,523.91 Mops/s3,523.91 million work units/sec11,4190.52 seconds76418497131210183250307
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core9,749.37 Mops/s9,749.37 million work units/sec57,9630.52 seconds15716173672393171436512
Single-core821.73 Mops/s821.73 million work units/sec4,8850.59 seconds24214622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,239.43 Mcand/s4,239.43 million work units/sec52,2100.56 seconds7416176336672
Single-core663.51 Mcand/s663.51 million work units/sec8,1710.52 seconds173125765409
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core87,171.88 Mops/s87,171.88 million work units/sec132,5610.57 seconds974164696144000
Single-core11,161.07 Mops/s11,161.07 million work units/sec16,9720.52 seconds1,81311996310806
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core4,320.87 MB/s4,320.87 million work units/sec64,1080.53 seconds3416913908032
Single-core470.96 MB/s470.96 million work units/sec6,9880.53 seconds59199118702
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core6,332.94 MB/s6,332.94 million work units/sec155,9840.52 seconds1971619857511984
Single-core1,495.26 MB/s1,495.26 million work units/sec36,8290.52 seconds74211090345897
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,025.9 Mpair/s1,025.9 million work units/sec16,2580.52 seconds12716252330799670080592
Single-core199.19 Mpair/s199.19 million work units/sec3,1570.52 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,482.43 Mkey-cmp/s1,482.43 million work units/sec40,8380.68 seconds31615164730354230573392
Single-core179.03 Mkey-cmp/s179.03 million work units/sec4,9320.59 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core104.66 ns/access152.88 million work units/sec19,3520.52 seconds516140968752
Single-core22.64 ns/access44.17 million work units/sec5,5910.54 seconds24111238376
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core102,065.96 MB/s102,065.96 million work units/sec318,9560.53 seconds2701616952475136
Single-core23,777.99 MB/s23,777.99 million work units/sec74,3060.44 seconds83011071619952