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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
| Metric | r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 |
|---|
| Total Time (s) | 96.30 | 52.80 | 30.97 | 20.01 | 14.67 | 12.10 | 11.19 | 10.74 |
| Max (Thread Active Time) (s) | 95.98 | 52.64 | 30.87 | 19.93 | 14.62 | 12.04 | 11.12 | 10.67 |
| Average Active Time (s) | 95.98 | 49.91 | 26.79 | 15.32 | 9.54 | 6.82 | 5.84 | 5.36 |
| Activity Ratio (%) | 99.7 | 94.5 | 86.5 | 76.6 | 65.1 | 56.4 | 52.3 | 50.0 |
| Average number of active threads | 0.997 | 1.890 | 3.459 | 6.124 | 10.406 | 18.039 | 25.075 | 31.934 |
| Affinity Stability (%) | 99.9 | 99.8 | 99.5 | 99.1 | 98.8 | 98.3 | 98.3 | 98.1 |
| GFLOPS | 27.4 E-3 | 51.6 E-3 | 75.5 E-3 | 83.9 E-3 | 0.196 | 0.255 | 0.316 | 0.398 |
| Time in analyzed loops (%) | 100.0 | 96.2 | 89.5 | 78.2 | 62.9 | 46.3 | 36.7 | 30.4 |
| Time in analyzed innermost loops (%) | 98.8 | 95.0 | 88.4 | 77.3 | 62.2 | 45.8 | 36.3 | 30.1 |
| Time in user code (%) | 100 | 96.2 | 89.5 | 78.2 | 62.9 | 46.3 | 36.7 | 30.4 |
| Compilation Options Score (%) | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
| Array Access Efficiency (%) | 94.0 | 94.0 | 94.0 | 94.0 | 94.0 | 94.3 | 94.4 | 94.5 |
|
| Potential Speedups |  |
| Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Perfect OpenMP + MPI + Pthread | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Perfect OpenMP + MPI + Pthread + Perfect Load Distribution | 1.00 | 1.10 | 1.29 | 1.66 | 2.44 | 3.81 | 5.18 | 6.54 |
| Scalability - Gap | 1.00 | 1.10 | 1.29 | 1.66 | 2.44 | 4.02 | 5.58 | 7.14 |
| No Scalar Integer | Potential Speedup | 1.03 | 1.03 | 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 |
| FP Vectorised | Potential Speedup | 1.45 | 1.42 | 1.38 | 1.32 | 1.24 | 1.17 | 1.13 | 1.10 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fully Vectorised | Potential Speedup | 3.33 | 3.05 | 2.67 | 2.21 | 1.78 | 1.48 | 1.35 | 1.27 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Only FP Arithmetic | Potential Speedup | 1.07 | 1.07 | 1.06 | 1.05 | 1.04 | 1.03 | 1.02 | 1.02 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
| ▼kmeans-acfl-O3-all– | |
| ▼main.cpp– | |
| ○ | -g is missing for some functions (possibly ones added by the compiler), but debug locations are available. Some analysis may be inaccurate. |
| ○ | -O2, -O3 or -Ofast is missing. |
| ○ | -mcpu=native is missing. |
| r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 |
| 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 |
| 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 |
| Timestamp | 2025-06-25 08:16:15 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Experiment Type | Sequential | OpenMP; | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 | same as r1 |
| Machine | ip-172-31-18-66 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Architecture | aarch64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Micro Architecture | ARM_NEOVERSE_V1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Model Name | | | | | | | | |
| Cache Size | | | | | | | | |
| Number of Cores | | | | | | | | |
| 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 |
| OS Version | Linux 6.8.0-1029-aws #31-Ubuntu SMP Wed Apr 23 18:20:04 UTC 2025 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| 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 |
| Micro Architecture used during static analysis | ARM_NEOVERSE_V1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Compilation Options |
kmeans-acfl-O3-all: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| 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 |
| Number of threads observed | 1 | 2 | 4 | 8 | 16 | 32 | 48 | 64 |
| Frequency Driver | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Frequency Governor | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Huge Pages | madvise | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Hyperthreading | off | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| 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 |
| Number of cores per socket | 64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| MAQAO version | 2025.1.0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| MAQAO build | 1aa2a9a471b050a74c235cc16bddac6cbccb0136::20250625-092903 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Comments | AWS Graviton 3 (Neoverse V1) CPU, 1-64 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |