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 25, 2026, 9:40 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score462,829ASM score: 450,393

System information

Processor
Power11 (architected), altivec supported
Computer model
IBM,9824-42A
Architecture
PowerPC 64-bit big-endian
Physical cores reported by run
16
Hardware threads reported by run
128
L1 cache
80 KB
L2 cache
80 KB
L3 cache
80 KB
Memory
126,443 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-core462,829
C single-core11,180
ASM multi-core450,393
ASM single-core10,337

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
120,476 MB
Running processes
1,176
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core422,034.42 Mops/s422,034.42 million work units/sec1,367,5770.49 seconds1,018128146789561856
Single-core4,100.68 Mops/s4,100.68 million work units/sec13,2880.5 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core375,486.63 Mops/s375,486.63 million work units/sec1,216,7420.51 seconds6211287378791026913372672
Single-core3,522.08 Mops/s3,522.08 million work units/sec11,4130.52 seconds76117543140731613692113
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core74,709.94 Mops/s74,709.94 million work units/sec444,1730.56 seconds1631281389379145371492096
Single-core820.42 Mops/s820.42 million work units/sec4,8780.59 seconds24214622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core12,584.54 Mcand/s12,584.54 million work units/sec154,9820.51 seconds25128476585600
Single-core663.24 Mcand/s663.24 million work units/sec8,1680.52 seconds173125765409
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core623,149.08 Mops/s623,149.08 million work units/sec947,6110.43 seconds649128361170782464
Single-core11,150.28 Mops/s11,150.28 million work units/sec16,9560.52 seconds1,81112800093900
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core30,315.1 MB/s30,315.1 million work units/sec449,7790.53 seconds301286451115520
Single-core470.29 MB/s470.29 million work units/sec6,9780.53 seconds59199118702
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core40,467.88 MB/s40,467.88 million work units/sec996,7460.51 seconds153128523917316736
Single-core1,496.65 MB/s1,496.65 million work units/sec36,8630.52 seconds74112500017795
Physics512-body direct-sum gravity10% of overall scoreMulti-core7,664.19 Mpair/s7,664.19 million work units/sec121,4610.52 seconds1181282978897722703563008
Single-core198.29 Mpair/s198.29 million work units/sec3,1420.53 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core6,165.25 Mkey-cmp/s6,165.25 million work units/sec169,8420.44 seconds112810637378391587277440
Single-core179.28 Mkey-cmp/s179.28 million work units/sec4,9390.58 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core202.97 ns/access630.63 million work units/sec79,8270.61 seconds31281121112992
Single-core23.87 ns/access41.9 million work units/sec5,3030.55 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core143,772.9 MB/s143,772.9 million work units/sec449,2900.52 seconds46128136596518912
Single-core23,868.23 MB/s23,868.23 million work units/sec74,5880.43 seconds80811066011456