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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_26_threads
| Metric | r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Total Time (s) | 244.33 | 131.66 | 75.04 | 46.24 | 31.81 | 26.20 |
| Max (Thread Active Time) (s) | 244.10 | 131.52 | 74.95 | 46.18 | 31.72 | 26.10 |
| Average Active Time (s) | 244.10 | 125.25 | 65.56 | 35.19 | 19.97 | 14.05 |
| Activity Ratio (%) | 99.9 | 95.1 | 87.4 | 76.1 | 62.9 | 53.7 |
| Average number of active threads | 0.999 | 1.903 | 3.494 | 6.087 | 10.047 | 13.939 |
| Affinity Stability (%) | 100.0 | 99.8 | 99.5 | 99.0 | 98.5 | 98.1 |
| GFLOPS | 3.090 | 5.734 | 10.058 | 16.321 | 23.720 | 28.786 |
| Time in analyzed loops (%) | 100.0 | 98.1 | 94.5 | 88.1 | 77.5 | 67.2 |
| Time in analyzed innermost loops (%) | 96.3 | 94.6 | 91.0 | 84.9 | 74.7 | 64.7 |
| Time in user code (%) | 100.0 | 98.1 | 94.5 | 88.1 | 77.5 | 67.2 |
| Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 |
| Array Access Efficiency (%) | 95.0 | 95.1 | 95.1 | 95.1 | 95.1 | 95.1 |
|
| 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 | 1.07 | 1.21 | 1.49 | 2.05 | 2.77 |
| Scalability - Gap | 1.00 | 1.08 | 1.23 | 1.51 | 2.08 | 2.79 |
| No Scalar Integer | Potential Speedup | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.01 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 1.89 | 1.87 | 1.81 | 1.72 | 1.58 | 1.47 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| Fully Vectorised | Potential Speedup | 7.46 | 6.63 | 5.50 | 4.21 | 3.04 | 2.39 |
| Nb Loops to get 80% | 4 | 4 | 4 | 3 | 3 | 2 |
| Only FP Arithmetic | Potential Speedup | 1.08 | 1.08 | 1.08 | 1.07 | 1.06 | 1.05 |
| Nb Loops to get 80% | 3 | 3 | 3 | 3 | 3 | 3 |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-O3-aggressive-soa– | |
| ▼main_soa.cpp– | |
| ○ | |
| r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Experiment Name | K-Means scalability icpx-O3-aggressive-soa 100000000 | K-Means scalability icpx-O3-aggressive-soa 100000000 | K-Means scalability icpx-O3-aggressive-soa 100000000 | K-Means scalability icpx-O3-aggressive-soa 100000000 | K-Means scalability icpx-O3-aggressive-soa 100000000 | K-Means scalability icpx-O3-aggressive-soa 100000000 |
|---|
| Application | ./kmeans/kmeans-icpx-O3-aggressive-soa | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Timestamp | 2025-07-03 17:50:03 | 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-icpx-O3-aggressive-soa: clang based Intel(R) oneAPI DPC++/C++ Compiler 2024.2.1 (2024.2.1.20240711) --driver-mode=g++ --intel -I . -MMD -MP -march=native -std=c++14 -g -fno-omit-frame-pointer -fiopenmp -O3 -x Host -funroll-loops -ffast-math -qopt-report=5 -c -o main_soa.o main_soa.cpp -fveclib=SVML -faltmathlib=SVML -fheinous-gnu-extensions | 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 |
|---|
