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, 9:43 AM · uploaded by @l_28

In Review · not yet included in the processor average

C score467,445ASM score: 447,673

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-core467,445
C single-core10,020
ASM multi-core447,673
ASM single-core10,387

Test environment

Background monitoring
Available
Average background CPU use
0%
Peak background CPU use
0%
Available memory before test
121,304 MB
Running processes
1,150
Activity sample duration
10 seconds

Individual workload results

WorkloadRunMeasured performanceRaw throughputScoreElapsedIterationsThreadsChecksum
Native Integer Mathcommon 32-bit multiply/add/rotate mix10% of overall scoreMulti-core418,730.63 Mops/s418,730.63 million work units/sec1,356,8720.49 seconds1,008128376348139392
Single-core4,317.3 Mops/s4,317.3 million work units/sec13,9900.48 seconds1,2891934523089
Wide Integer Math64-bit PowerPC integer ALU10% of overall scoreMulti-core380,192.84 Mops/s380,192.84 million work units/sec1,231,9920.5 seconds6221285391625397667402752
Single-core3,568.45 Mops/s3,568.45 million work units/sec11,5630.52 seconds771115619209121420494500
Floating Point MathPowerPC scalar double-precision floating point10% of overall scoreMulti-core65,470.38 Mops/s65,470.38 million work units/sec389,2410.48 seconds1241281389379145371492096
Single-core723.82 Mops/s723.82 million work units/sec4,3030.44 seconds16114622540543000602686
Prime Numberssieve of Eratosthenes to 2M10% of overall scoreMulti-core15,828.19 Mcand/s15,828.19 million work units/sec194,9280.47 seconds29128552839296
Single-core962.16 Mcand/s962.16 million work units/sec11,8490.52 seconds250137233250
Extended InstructionsAltiVec: 128-bit integer vectors (PowerPC 970)10% of overall scoreMulti-core583,211.33 Mops/s583,211.33 million work units/sec886,8790.46 seconds649128361170782464
Single-core6,450.48 Mops/s6,450.48 million work units/sec9,8090.52 seconds1,04811430057887
CompressionLZ77 match finder, 4 MiB corpus10% of overall scoreMulti-core35,098.76 MB/s35,098.76 million work units/sec520,7530.52 seconds341287311264256
Single-core549.26 MB/s549.26 million work units/sec8,1490.53 seconds691115918482
EncryptionChaCha20, 20 rounds, 1 MiB10% of overall scoreMulti-core46,234.59 MB/s46,234.59 million work units/sec1,138,7830.51 seconds174128410590076032
Single-core522.1 MB/s522.1 million work units/sec12,8600.52 seconds25913510777864
Physics512-body direct-sum gravity10% of overall scoreMulti-core7,605.7 Mpair/s7,605.7 million work units/sec120,5340.52 seconds1171281494745875800546560
Single-core209.42 Mpair/s209.42 million work units/sec3,3190.52 seconds41414613278422463488770
Sortingheapsort, 1M uint3210% of overall scoreMulti-core5,025.65 Mkey-cmp/s5,025.65 million work units/sec138,4480.53 seconds112810637378391587277440
Single-core225.48 Mkey-cmp/s225.48 million work units/sec6,2110.56 seconds610
Memory Latencydependent-load pointer chase, 16 MiB0% of overall scoreMulti-core208.52 ns/access613.84 million work units/sec77,7010.63 seconds31281121112992
Single-core26.39 ns/access37.89 million work units/sec4,7960.61 seconds2318937224
Memory BandwidthSTREAM triad, 12 MiB working set per thread10% of overall scoreMulti-core143,178.69 MB/s143,178.69 million work units/sec447,4330.53 seconds47128136531155968
Single-core18,684.41 MB/s18,684.41 million work units/sec58,3890.4 seconds59711062896080