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- r0: run_1_thread
- r1: run_2_threads
- r2: run_4_threads
- r3: run_8_threads
- r4: run_16_threads
- r5: run_32_threads
- r6: run_48_threads
- r7: run_64_threads
- r8: run_80_threads
- r9: run_96_threads
| Metric | r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 | r8 | r9 |
|---|
| Total Time (s) | 98.25 | 50.01 | 31.95 | 20.18 | 14.26 | 11.10 | 10.03 | 9.49 | 9.23 | 9.06 |
| Max (Thread Active Time) (s) | 98.06 | 49.85 | 31.35 | 19.98 | 14.12 | 11.03 | 9.97 | 9.42 | 9.15 | 8.96 |
| Average Active Time (s) | 98.06 | 48.05 | 27.50 | 15.82 | 10.10 | 7.33 | 6.42 | 5.91 | 5.62 | 5.46 |
| Activity Ratio (%) | 99.8 | 96.1 | 86.1 | 78.4 | 70.9 | 66.1 | 64.1 | 62.4 | 61.0 | 60.4 |
| Average number of active threads | 0.998 | 1.922 | 3.443 | 6.274 | 11.333 | 21.142 | 30.729 | 39.876 | 48.742 | 57.855 |
| Affinity Stability (%) | 100.0 | 99.8 | 99.4 | 99.4 | 98.8 | 98.6 | 98.5 | 98.4 | 98.2 | 98.1 |
| GFLOPS | 7.058 | 13.192 | 21.311 | 34.217 | 48.579 | 65.700 | 75.310 | 80.247 | 82.596 | 83.837 |
| Time in analyzed loops (%) | 100.0 | 95.6 | 86.7 | 76.2 | 59.9 | 43.4 | 34.5 | 28.5 | 24.4 | 22.1 |
| Time in analyzed innermost loops (%) | 98.8 | 94.5 | 85.8 | 75.4 | 59.2 | 43.0 | 34.1 | 28.2 | 24.2 | 21.8 |
| Time in user code (%) | 100 | 95.6 | 86.7 | 76.2 | 60.0 | 43.4 | 34.5 | 28.5 | 24.4 | 22.1 |
| Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Array Access Efficiency (%) | 95.3 | 94.9 | 95.1 | 95.2 | 95.1 | 95.4 | 95.5 | 95.7 | 95.7 | 95.9 |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Perfect OpenMP + MPI + Pthread | 1.00 | 1.00 | 1.07 | 1.03 | 1.03 | 1.03 | 1.01 | 1.01 | 1.01 | 1.01 |
| Perfect OpenMP + MPI + Pthread + Perfect Load Distribution | 1.00 | 1.09 | 1.32 | 1.66 | 2.33 | 3.47 | 4.50 | 5.60 | 6.66 | 7.44 |
| Scalability - Gap | 1.00 | 1.02 | 1.30 | 1.64 | 2.32 | 3.61 | 4.90 | 6.18 | 7.52 | 8.85 |
| No Scalar Integer | Potential Speedup | 1.02 | 1.02 | 1.02 | 1.02 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.00 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 1.02 | 1.02 | 1.02 | 1.01 | 1.01 | 1.01 | 1.01 | 1.00 | 1.00 | 1.00 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fully Vectorised | Potential Speedup | 1.20 | 1.19 | 1.17 | 1.15 | 1.11 | 1.08 | 1.06 | 1.05 | 1.04 | 1.04 |
| Nb Loops to get 80% | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Only FP Arithmetic | Potential Speedup | 1.05 | 1.05 | 1.05 | 1.04 | 1.03 | 1.02 | 1.02 | 1.01 | 1.01 | 1.01 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | |
| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
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| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | |
| Source Object | Issue |
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| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | |
| r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 | r8 | r9 |
|---|
| Experiment Name | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 |
|---|
| Application | ./kmeans/kmeans-acfl-O3-all | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Timestamp | 2025-07-07 09:31:01 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Experiment Type | Sequential | OpenMP; | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 |
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| Machine | ip-172-31-47-249.ec2.internal | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Architecture | aarch64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Micro Architecture | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Model Name | | | | | | | | | | |
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| Cache Size | | | | | | | | | | |
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| Number of Cores | | | | | | | | | | |
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| Maximal Frequency | 0 GHz | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| OS Version | Linux 6.1.109-118.189.amzn2023.aarch64 #1 SMP Tue Sep 10 08:58:40 UTC 2024 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Architecture used during static analysis | aarch64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Micro Architecture used during static analysis | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Compilation Options |
kmeans-acfl-O3-all: 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.o main.cpp | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Number of processes observed | 1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Number of threads observed | 1 | 2 | 4 | 8 | 16 | 32 | 48 | 64 | 80 | 96 |
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| Frequency Driver | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Frequency Governor | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Huge Pages | madvise | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Hyperthreading | off | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Number of sockets | 1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Number of cores per socket | 96 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| MAQAO version | 2025.1.1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| MAQAO build | f3e40b5f1dbd62488bc0cc5f885d40677c87bfe8::20250630-094248 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Comments | AWS Graviton 4 (Neoverse V2) CPU, 1-96 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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