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, 12:03 PM · uploaded by @l_28

In Review · not yet included in the processor average

C score296,921ASM score: 285,743

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-core296,921
C single-core10,187
ASM multi-core285,743
ASM single-core10,295

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
12,571 MB
Running processes
734
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core221,609.35 Mops/s221,609.35 million work units/sec718,1120.51 seconds1,10664126800461760
Single-core4,323.02 Mops/s4,323.02 million work units/sec14,0080.48 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core202,166.82 Mops/s202,166.82 million work units/sec655,1100.51 seconds67464543616198195469824
Single-core3,569.65 Mops/s3,569.65 million work units/sec11,5670.52 seconds77311910420825122611175
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core33,890.67 Mops/s33,890.67 million work units/sec201,4900.51 seconds13464694689572685746048
Single-core724.79 Mops/s724.79 million work units/sec4,3090.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core14,094.41 Mcand/s14,094.41 million work units/sec173,5760.51 seconds5664533775872
Single-core960.09 Mcand/s960.09 million work units/sec11,8240.52 seconds250137233250
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core311,455.8 Mops/s311,455.8 million work units/sec473,6250.43 seconds64964180585391232
Single-core6,455.02 Mops/s6,455.02 million work units/sec9,8160.52 seconds1,04913527823795
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core19,032.42 MB/s19,032.42 million work units/sec282,3800.52 seconds37643978187904
Single-core549.88 MB/s549.88 million work units/sec8,1580.52 seconds681114238504
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core24,815.46 MB/s24,815.46 million work units/sec611,2180.51 seconds18964111958407744
Single-core522.1 MB/s522.1 million work units/sec12,8600.52 seconds25913510777864
Physics512-body direct-sum gravity10% of overall scoreMulti-core3,990.73 Mpair/s3,990.73 million work units/sec63,2440.52 seconds123641682420841905463424
Single-core209.96 Mpair/s209.96 million work units/sec3,3270.52 seconds413113847461193532903555
Sortingheapsort, 1M uint3210% of overall scoreMulti-core3,898.03 Mkey-cmp/s3,898.03 million work units/sec107,3840.69 seconds2640
Single-core225.92 Mkey-cmp/s225.92 million work units/sec6,2240.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core130.13 ns/access491.8 million work units/sec62,2530.52 seconds464578196040
Single-core23.23 ns/access43.04 million work units/sec5,4490.53 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core186,589.84 MB/s186,589.84 million work units/sec583,0930.51 seconds1186468027914240
Single-core21,878.9 MB/s21,878.9 million work units/sec68,3720.53 seconds91311060670352