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, 11:59 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score293,848ASM score: 286,517

System information

Processor
Power11 (architected), altivec supported
Computer model
IBM,9824-42A
Architecture
PowerPC 64-bit big-endian
Physical cores reported by run
8
Hardware threads reported by run
64
L1 cache
80 KB
L2 cache
80 KB
L3 cache
80 KB
Memory
15,118 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 17 sec

Score summary

C multi-core293,848
C single-core11,176
ASM multi-core286,517
ASM single-core10,309

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
11,720 MB
Running processes
1,124
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core224,262.16 Mops/s224,262.16 million work units/sec726,7080.51 seconds1,1136414589138752
Single-core4,102.88 Mops/s4,102.88 million work units/sec13,2950.5 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core199,320.76 Mops/s199,320.76 million work units/sec645,8870.52 seconds6706415168289689987066944
Single-core3,524.47 Mops/s3,524.47 million work units/sec11,4210.52 seconds763117822770431146196335
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core38,781.86 Mops/s38,781.86 million work units/sec230,5700.5 seconds15364694689572685746048
Single-core821.62 Mops/s821.62 million work units/sec4,8850.59 seconds24214622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core11,456.21 Mcand/s11,456.21 million work units/sec141,0860.45 seconds4064381268480
Single-core663.22 Mcand/s663.22 million work units/sec8,1680.52 seconds173125765409
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core329,263.21 Mops/s329,263.21 million work units/sec500,7040.4 seconds64964180585391232
Single-core11,157.03 Mops/s11,157.03 million work units/sec16,9660.52 seconds1,81112800093900
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core16,159.54 MB/s16,159.54 million work units/sec239,7560.51 seconds31643333076352
Single-core470.61 MB/s470.61 million work units/sec6,9820.53 seconds59199118702
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core22,238.61 MB/s22,238.61 million work units/sec547,7490.51 seconds17064154340947712
Single-core1,495.62 MB/s1,495.62 million work units/sec36,8380.52 seconds73811015354147
Physics512-body direct-sum gravity10% of overall scoreMulti-core4,018.95 Mpair/s4,018.95 million work units/sec63,6920.52 seconds124641493360487503985536
Single-core197.99 Mpair/s197.99 million work units/sec3,1380.53 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core4,571.99 Mkey-cmp/s4,571.99 million work units/sec125,9500.59 seconds2640
Single-core179.59 Mkey-cmp/s179.59 million work units/sec4,9470.58 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core124.51 ns/access514.01 million work units/sec65,0640.62 seconds564541922528
Single-core23.03 ns/access43.42 million work units/sec5,4960.55 seconds24111238376
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core190,702.49 MB/s190,702.49 million work units/sec595,9450.51 seconds1216467832873984
Single-core23,712.34 MB/s23,712.34 million work units/sec74,1010.5 seconds93611068109632