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Global Metrics

Metricr0r1r2r3r4r5r6r7r8r9
Total Time (s)132.3570.2739.0023.2715.5511.6310.379.599.208.98
Max (Thread Active Time) (s)132.1370.1338.9323.2215.5011.5810.329.529.128.90
Average Active Time (s)132.1368.4136.3420.3612.348.367.036.365.955.71
Activity Ratio (%)99.897.493.287.579.472.067.966.464.863.7
Average number of active threads0.9981.9473.7276.99812.69823.00232.53842.44651.73760.984
Affinity Stability (%)100.099.999.799.599.298.998.798.698.498.3
GFLOPS6.65012.52522.56437.81456.58575.69184.86591.77295.68997.959
Time in analyzed loops (%)100.097.091.481.968.050.640.433.428.625.4
Time in analyzed innermost loops (%)77.875.570.963.653.139.531.526.022.319.9
Time in user code (%)10097.091.481.968.050.640.433.428.625.4
Compilation Options Score (%)100100100100100100100100100100
Array Access Efficiency (%)50.050.050.050.050.050.050.050.050.050.0
Potential Speedups
Perfect Flow Complexity1.001.001.001.001.001.001.001.001.001.00
Perfect OpenMP + MPI + Pthread1.001.001.001.001.001.001.001.001.001.00
Perfect OpenMP + MPI + Pthread + Perfect Load Distribution1.001.061.171.391.852.743.644.485.376.15
Scalability - Gap1.001.061.181.411.882.813.764.645.566.52
No Scalar IntegerPotential Speedup1.071.071.071.061.051.041.031.021.021.02
Nb Loops to get 80%2222222222
FP VectorisedPotential Speedup1.281.271.251.221.181.131.101.081.071.06
Nb Loops to get 80%1111111111
Fully VectorisedPotential Speedup2.562.442.262.001.711.451.331.261.211.18
Nb Loops to get 80%2222222222
Only FP ArithmeticPotential Speedup1.101.101.091.081.071.051.041.031.031.02
Nb Loops to get 80%2222222222

Scalability Speedup

Cumulated Speedup If No Scalar Integer

Cumulated Speedup If FP Vectorized

Cumulated Speedup If Fully Vectorized

Cumulated Speedup If Only FP Arithmetic

Loop Based Profiles

Innermost / Single Loops

Inbetween Loops

Outermost Loops

Cumulated Coverage With All Loops

Innermost Loop Based Profiles

Coverage

Count

Application Categorization

Time

Coverage

Compilation Options

Source ObjectIssue
▼kmeans-acfl-O3-all-soa–
▼main_soa.cpp–
○

Path Count Profiles

Coverage

Count

Low Iteration Count Profiles

Coverage

Count

Average Number of Active Threads

Run 1 - run_1_thread

Run 2 - run_2_threads

Run 3 - run_4_threads

Run 4 - run_8_threads

Run 5 - run_16_threads

Run 6 - run_32_threads

Run 7 - run_48_threads

Run 8 - run_64_threads

Run 9 - run_80_threads

Run 10 - run_96_threads

Experiment Summaries

r0r1r2r3r4r5r6r7r8r9
Experiment NameK-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000K-Means scalability acfl-O3-all-soa 100000000
Application./kmeans/kmeans-acfl-O3-all-soasame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Timestamp2025-07-08 10:48:07same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Experiment TypeSequentialOpenMP; same as r1same as r1same as r1same as r1same as r1same as r1same as r1same as r1
Machineip-172-31-47-249.ec2.internalsame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Architectureaarch64same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Micro ArchitectureARM_NEOVERSE_V2same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Model Name
Cache Size
Number of Cores
Maximal Frequency0 GHzsame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
OS VersionLinux 6.1.109-118.189.amzn2023.aarch64 #1 SMP Tue Sep 10 08:58:40 UTC 2024same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Architecture used during static analysisaarch64same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Micro Architecture used during static analysisARM_NEOVERSE_V2same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Compilation Options kmeans-acfl-O3-all-soa: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_AmazonLinux-2023/llvm-bin/clang-19 --driver-mode=g++ -I . -MMD -MP -march=native -std=c++14 -g -fno-omit-frame-pointer -fopenmp -O3 -funroll-loops -ffast-math -grecord-command-line -c -o main_soa.o main_soa.cpp same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Number of processes observed1same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Number of threads observed1248163248648096
Frequency DriverNAsame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Frequency GovernorNAsame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Huge Pagesmadvisesame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Hyperthreadingoffsame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Number of sockets1same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
Number of cores per socket96same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
MAQAO version2025.1.1same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
MAQAO buildf3e40b5f1dbd62488bc0cc5f885d40677c87bfe8::20250630-094248same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
CommentsAWS Graviton 4 (Neoverse V2) CPU, 1-96 threads runssame as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0same as r0
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