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, 12:06 PM · uploaded by @l_28

In Review · not yet included in the processor average

C score296,016ASM score: 285,935

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
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-core296,016
C single-core10,218
ASM multi-core285,935
ASM single-core10,392

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0.2%
Available memory before test
12,726 MB
Running processes
649
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core221,959.72 Mops/s221,959.72 million work units/sec719,2470.51 seconds1,10164100853348736
Single-core4,323.06 Mops/s4,323.06 million work units/sec14,0090.48 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core202,395.54 Mops/s202,395.54 million work units/sec655,8510.52 seconds679648999772623220377536
Single-core3,569.53 Mops/s3,569.53 million work units/sec11,5670.52 seconds77311910420825122611175
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core33,572.41 Mops/s33,572.41 million work units/sec199,5980.51 seconds13464694689572685746048
Single-core724.72 Mops/s724.72 million work units/sec4,3090.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core13,610.3 Mcand/s13,610.3 million work units/sec167,6150.52 seconds5564524244160
Single-core960.15 Mcand/s960.15 million work units/sec11,8240.52 seconds249137084317
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core308,195.69 Mops/s308,195.69 million work units/sec468,6670.43 seconds64964180585391232
Single-core6,453.3 Mops/s6,453.3 million work units/sec9,8130.52 seconds1,04913527823795
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core19,029.87 MB/s19,029.87 million work units/sec282,3420.52 seconds37643978187904
Single-core549.81 MB/s549.81 million work units/sec8,1570.53 seconds691115918482
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core24,846.34 MB/s24,846.34 million work units/sec611,9790.51 seconds19064220164171136
Single-core522.48 MB/s522.48 million work units/sec12,8690.52 seconds25913510777864
Physics512-body direct-sum gravity10% of overall scoreMulti-core3,985.99 Mpair/s3,985.99 million work units/sec63,1690.52 seconds123641682420841905463424
Single-core210.27 Mpair/s210.27 million work units/sec3,3320.52 seconds41714627972975246006710
Sortingheapsort, 1M uint3210% of overall scoreMulti-core3,904.34 Mkey-cmp/s3,904.34 million work units/sec107,5580.69 seconds2640
Single-core225.42 Mkey-cmp/s225.42 million work units/sec6,2100.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core128.79 ns/access496.94 million work units/sec62,9040.52 seconds464578196040
Single-core22.77 ns/access43.91 million work units/sec5,5580.55 seconds24111238376
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core190,380.15 MB/s190,380.15 million work units/sec594,9380.51 seconds1206468577292288
Single-core22,551.75 MB/s22,551.75 million work units/sec70,4740.52 seconds93711049170464