Help is available by moving the cursor above any
symbol or by checking MAQAO website.
- r0: run_1_thread
- r1: run_2_threads
- r2: run_4_threads
- r3: run_8_threads
- r4: run_16_threads
- r5: run_26_threads
| Metric | r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Total Time (s) | 189.64 | 100.42 | 55.81 | 33.51 | 22.39 | 18.11 |
| Max (Thread Active Time) (s) | 189.24 | 100.18 | 55.66 | 33.42 | 22.29 | 18.01 |
| Average Active Time (s) | 189.24 | 96.99 | 50.87 | 27.85 | 16.31 | 11.88 |
| Activity Ratio (%) | 99.8 | 96.6 | 91.2 | 83.1 | 72.9 | 65.7 |
| Average number of active threads | 0.998 | 1.932 | 3.646 | 6.647 | 11.660 | 17.057 |
| Affinity Stability (%) | 100.0 | 99.9 | 99.6 | 99.3 | 98.8 | 98.5 |
| GFLOPS | 3.322 | 6.273 | 11.285 | 18.792 | 28.133 | 34.765 |
| Time in analyzed loops (%) | 100.0 | 97.5 | 93.0 | 84.9 | 72.5 | 61.3 |
| Time in analyzed innermost loops (%) | 97.4 | 95.1 | 90.6 | 82.9 | 70.6 | 59.8 |
| Time in user code (%) | 100.0 | 97.5 | 93.0 | 84.9 | 72.5 | 61.3 |
| Compilation Options Score (%) | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 | 16.7 |
| Array Access Efficiency (%) | 96.0 | 96.0 | 96.0 | 96.1 | 96.0 | 96.1 |
|
| Potential Speedups |  |
| Perfect Flow Complexity | 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 |
| Perfect OpenMP + MPI + Pthread + Perfect Load Distribution | 1.00 | 1.06 | 1.18 | 1.41 | 1.89 | 2.47 |
| Scalability - Gap | 1.00 | 1.06 | 1.18 | 1.41 | 1.89 | 2.48 |
| No Scalar Integer | Potential Speedup | 1.25 | 1.24 | 1.23 | 1.20 | 1.17 | 1.14 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 2.29 | 2.22 | 2.10 | 1.92 | 1.69 | 1.53 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| Fully Vectorised | Potential Speedup | 7.88 | 6.73 | 5.31 | 3.87 | 2.72 | 2.15 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 2 | 1 |
| Only FP Arithmetic | Potential Speedup | 1.69 | 1.66 | 1.61 | 1.53 | 1.42 | 1.33 |
| Nb Loops to get 80% | 2 | 2 | 2 | 1 | 1 | 1 |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| Source Object | Issue |
| ▼kmeans-clang-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. |
| ○ | -march=(target) is missing. |
| r0 | r1 | r2 | r3 | r4 | r5 |
| Experiment Name | K-Means scalability clang-O3-all 100000000 | K-Means scalability clang-O3-all 100000000 | K-Means scalability clang-O3-all 100000000 | K-Means scalability clang-O3-all 100000000 | K-Means scalability clang-O3-all 100000000 | K-Means scalability clang-O3-all 100000000 |
| Application | ./kmeans/kmeans-clang-O3-all | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Timestamp | 2025-06-27 16:37:55 | 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 |
| Machine | skylake | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Architecture | x86_64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Micro Architecture | SKYLAKE | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Model Name | Intel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHz | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Cache Size | 36608 KB | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Number of Cores | 26 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Maximal Frequency | 2.1 GHz | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| OS Version | Linux 6.10.10-arch1-1 #1 SMP PREEMPT_DYNAMIC Thu, 12 Sep 2024 17:21:02 +0000 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Architecture used during static analysis | x86_64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Micro Architecture used during static analysis | SKYLAKE | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Compilation Options |
kmeans-clang-O3-all: clang version 20.1.6 | 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 |
| Number of threads observed | 1 | 2 | 4 | 8 | 16 | 26 |
| Frequency Driver | intel_cpufreq | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Frequency Governor | performance | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Huge Pages | always | 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 |
| Number of sockets | 2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Number of cores per socket | 26 | 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 |
| MAQAO build | e913a471001afb562449956a906221b5bfa8ea0d::20250617-163738 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
| Comments | Intel Xeon Platinum 8170 (Skylake CPU), 1-26 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |