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, 7:54 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score87,166ASM score: 85,101

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
Clang 21.1.8 (Red Hat, Inc. 21.1.8-1.el10)
FOSSbench version
0.4.2
Total test time
1 min 15 sec

Score summary

C multi-core87,166
C single-core10,260
ASM multi-core85,101
ASM single-core10,411

Test environment

Background monitoring
Available
Average background CPU use
0.1%
Peak background CPU use
0.3%
Available memory before test
2,098 MB
Running processes
378
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core58,171.03 Mops/s58,171.03 million work units/sec188,5000.52 seconds1,1771666178017472
Single-core4,323.08 Mops/s4,323.08 million work units/sec14,0090.48 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core52,441.19 Mops/s52,441.19 million work units/sec169,9330.52 seconds710162069182807676671696
Single-core3,566.5 Mops/s3,566.5 million work units/sec11,5570.52 seconds77311910420825122611175
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core8,495.98 Mops/s8,495.98 million work units/sec50,5110.5 seconds13316173672393171436512
Single-core724.82 Mops/s724.82 million work units/sec4,3090.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core4,287.98 Mcand/s4,287.98 million work units/sec52,8080.44 seconds5916140592752
Single-core958.62 Mcand/s958.62 million work units/sec11,8060.52 seconds250137233250
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core82,210.1 Mops/s82,210.1 million work units/sec125,0150.4 seconds6491645146347808
Single-core6,455.63 Mops/s6,455.63 million work units/sec9,8170.52 seconds1,04913527823795
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core5,146.97 MB/s5,146.97 million work units/sec76,3640.51 seconds39161048306272
Single-core550.63 MB/s550.63 million work units/sec8,1700.53 seconds691115918482
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core6,413.09 MB/s6,413.09 million work units/sec157,9580.52 seconds2001633178045824
Single-core522.62 MB/s522.62 million work units/sec12,8720.52 seconds25913510777864
Physics512-body direct-sum gravity10% of overall scoreMulti-core1,016.42 Mpair/s1,016.42 million work units/sec16,1080.52 seconds12716252330799670080592
Single-core210.14 Mpair/s210.14 million work units/sec3,3300.52 seconds41814627706209216985615
Sortingheapsort, 1M uint3210% of overall scoreMulti-core1,381.74 Mkey-cmp/s1,381.74 million work units/sec38,0640.73 seconds31615164730354230573392
Single-core223.67 Mkey-cmp/s223.67 million work units/sec6,1620.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core110.84 ns/access144.35 million work units/sec18,2720.55 seconds516140968752
Single-core22.93 ns/access43.61 million work units/sec5,5210.53 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core102,561.42 MB/s102,561.42 million work units/sec320,5040.53 seconds2711616936134400
Single-core23,714.56 MB/s23,714.56 million work units/sec74,1080.45 seconds84211065524944