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, 7:37 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score86,617ASM score: 85,301

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
Clang 21.1.8 (Red Hat, Inc. 21.1.8-1.el10)
FOSSbench version
0.4.2
Total test time
1 min 16 sec

Score summary

C multi-core86,617
C single-core10,032
ASM multi-core85,301
ASM single-core10,323

Test environment

Background monitoring
Available
Average background CPU use
0.1%
Peak background CPU use
0.4%
Available memory before test
2,074 MB
Running processes
1,020
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core51,629.51 Mops/s51,629.51 million work units/sec167,3020.52 seconds1,0451644101750080
Single-core3,910.25 Mops/s3,910.25 million work units/sec12,6710.52 seconds1,26913890846639
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core54,456.59 Mops/s54,456.59 million work units/sec176,4630.5 seconds7141610542228843586313936
Single-core3,945.91 Mops/s3,945.91 million work units/sec12,7860.52 seconds85515459398089742437131
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core8,511.41 Mops/s8,511.41 million work units/sec50,6030.52 seconds13816173672393171436512
Single-core727.14 Mops/s727.14 million work units/sec4,3230.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,171.2 Mcand/s4,171.2 million work units/sec51,3690.45 seconds5916140592752
Single-core974.44 Mcand/s974.44 million work units/sec12,0000.52 seconds253137680049
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core74,144.05 Mops/s74,144.05 million work units/sec112,7490.45 seconds6491645146347808
Single-core4,714.89 Mops/s4,714.89 million work units/sec7,1700.44 seconds64912821646738
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core5,031.21 MB/s5,031.21 million work units/sec74,6470.53 seconds40161075185920
Single-core550.1 MB/s550.1 million work units/sec8,1620.53 seconds691115918482
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core7,018.19 MB/s7,018.19 million work units/sec172,8620.51 seconds213162460714784
Single-core586.96 MB/s586.96 million work units/sec14,4570.47 seconds26512676429641
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,078.94 Mpair/s1,078.94 million work units/sec17,0990.52 seconds13516417505274879883168
Single-core202.58 Mpair/s202.58 million work units/sec3,2100.52 seconds40214640399612443759031
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,384.14 Mkey-cmp/s1,384.14 million work units/sec38,1310.73 seconds31615164730354230573392
Single-core225.36 Mkey-cmp/s225.36 million work units/sec6,2080.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core110.58 ns/access144.7 million work units/sec18,3160.55 seconds516140968752
Single-core23.01 ns/access43.45 million work units/sec5,5000.53 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core104,486.93 MB/s104,486.93 million work units/sec326,5220.53 seconds2741616863314944
Single-core23,305.21 MB/s23,305.21 million work units/sec72,8290.52 seconds97211066601824