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, 10:55 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score85,311ASM score: 83,267

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 21 sec

Score summary

C multi-core85,311
C single-core11,194
ASM multi-core83,267
ASM single-core10,412

Test environment

Background monitoring
Available
Average background CPU use
0.3%
Peak background CPU use
0.6%
Available memory before test
2,144 MB
Running processes
1,543
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core56,572.48 Mops/s56,572.48 million work units/sec183,3200.54 seconds1,187165060043680
Single-core4,103.78 Mops/s4,103.78 million work units/sec13,2980.5 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core47,770.06 Mops/s47,770.06 million work units/sec154,7960.56 seconds7021613899803634998312816
Single-core3,524.19 Mops/s3,524.19 million work units/sec11,4200.52 seconds76418497131210183250307
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core9,075.93 Mops/s9,075.93 million work units/sec53,9590.54 seconds15216173672393171436512
Single-core821.45 Mops/s821.45 million work units/sec4,8840.59 seconds24214622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,089.79 Mcand/s4,089.79 million work units/sec50,3670.59 seconds7616181102528
Single-core660.27 Mcand/s660.27 million work units/sec8,1310.52 seconds173125765409
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core85,669.11 Mops/s85,669.11 million work units/sec130,2750.58 seconds974164696144000
Single-core11,133.2 Mops/s11,133.2 million work units/sec16,9300.52 seconds1,81112800093900
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core4,288.11 MB/s4,288.11 million work units/sec63,6220.53 seconds3416913908032
Single-core471.37 MB/s471.37 million work units/sec6,9940.52 seconds59199118702
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core6,276.85 MB/s6,276.85 million work units/sec154,6020.52 seconds1961645112579088
Single-core1,493.18 MB/s1,493.18 million work units/sec36,7780.52 seconds74112500017795
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,005.58 Mpair/s1,005.58 million work units/sec15,9360.53 seconds12716252330799670080592
Single-core199.54 Mpair/s199.54 million work units/sec3,1620.52 seconds39814635494768022377952
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,483.31 Mkey-cmp/s1,483.31 million work units/sec40,8630.68 seconds31615164730354230573392
Single-core179.22 Mkey-cmp/s179.22 million work units/sec4,9370.59 seconds514406560160959951765
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core104.9 ns/access152.52 million work units/sec19,3060.52 seconds516140968752
Single-core23.36 ns/access42.82 million work units/sec5,4200.54 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core101,531.95 MB/s101,531.95 million work units/sec317,2870.53 seconds2691617141451392
Single-core24,105.57 MB/s24,105.57 million work units/sec75,3300.54 seconds1,02511064348304