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, 9:37 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score465,443ASM score: 442,777

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
Clang 21.1.8 (Red Hat, Inc. 21.1.8-1.el10)
FOSSbench version
0.4.2
Total test time
1 min 17 sec

Score summary

C multi-core465,443
C single-core10,263
ASM multi-core442,777
ASM single-core10,337

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0.1%
Available memory before test
119,291 MB
Running processes
1,260
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core412,744.65 Mops/s412,744.65 million work units/sec1,337,4750.49 seconds98712867535517056
Single-core4,319.82 Mops/s4,319.82 million work units/sec13,9980.48 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core377,267.7 Mops/s377,267.7 million work units/sec1,222,5140.5 seconds61712810701211963111992064
Single-core3,568.35 Mops/s3,568.35 million work units/sec11,5630.52 seconds772110130913270690345290
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core64,414.35 Mops/s64,414.35 million work units/sec382,9630.48 seconds1221281389379145371492096
Single-core724.05 Mops/s724.05 million work units/sec4,3050.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core16,032.65 Mcand/s16,032.65 million work units/sec197,4460.56 seconds35128667219840
Single-core960.9 Mcand/s960.9 million work units/sec11,8340.52 seconds250137233250
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core572,452.31 Mops/s572,452.31 million work units/sec870,5180.46 seconds649128361170782464
Single-core6,450.83 Mops/s6,450.83 million work units/sec9,8100.52 seconds1,04811430057887
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core34,679.74 MB/s34,679.74 million work units/sec514,5360.53 seconds341287311264256
Single-core548.93 MB/s548.93 million work units/sec8,1440.52 seconds681114238504
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core45,962.32 MB/s45,962.32 million work units/sec1,132,0770.5 seconds171128142987524992
Single-core522.08 MB/s522.08 million work units/sec12,8590.52 seconds25913510777864
Physics512-body direct-sum gravity10% of overall scoreMulti-core7,562.88 Mpair/s7,562.88 million work units/sec119,8550.51 seconds1161282461471606532899840
Single-core209.64 Mpair/s209.64 million work units/sec3,3220.52 seconds41714627972975246006710
Sortingheapsort, 1M uint3210% of overall scoreMulti-core5,165.47 Mkey-cmp/s5,165.47 million work units/sec142,3000.52 seconds112810637378391587277440
Single-core223.27 Mkey-cmp/s223.27 million work units/sec6,1510.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core210.07 ns/access609.32 million work units/sec77,1290.63 seconds31281121112992
Single-core24.48 ns/access40.86 million work units/sec5,1720.54 seconds2212574400
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core142,804.79 MB/s142,804.79 million work units/sec446,2650.52 seconds46128136596518912
Single-core23,959.82 MB/s23,959.82 million work units/sec74,8740.51 seconds97611063781632