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| Metric | r0 | r1 |
|---|
| Total Time (s) | 193.03 | 113.87 |
| Max (Thread Active Time) (s) | 105.29 | 27.80 |
| Average Active Time (s) | 103.93 | 24.84 |
| Activity Ratio (%) | 96.9 | 88.2 |
| Average number of active threads | 13.998 | 5.672 |
| Affinity Stability (%) | 96.8 | 87.7 |
| GFLOPS | 62.743 | 336.885 |
| Time in analyzed loops (%) | 86.4 | 99.3 |
| Time in analyzed innermost loops (%) | 85.7 | 89.0 |
| Time in user code (%) | 86.4 | 99.3 |
| Compilation Options Score (%) | 16.7 | 16.7 |
| Array Access Efficiency (%) | 40.0 | 92.8 |
|
| Potential Speedups | |
| Perfect Flow Complexity | 3.77 | 1.00 |
| Perfect OpenMP/MPI/Pthread/TBB | 1.02 | 1.00 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.17 | 1.13 |
| No Scalar Integer | Potential Speedup | 1.00 | 1.02 |
| Nb Loops to get 80% | 1 | 1 |
| FP Vectorised | Potential Speedup | 2.01 | 1.27 |
| Nb Loops to get 80% | 1 | 1 |
| Fully Vectorised | Potential Speedup | 4.11 | 2.44 |
| Nb Loops to get 80% | 1 | 3 |
| Only FP Arithmetic | Potential Speedup | 1.21 | 1.63 |
| Nb Loops to get 80% | 1 | 3 |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-Ofast– | |
| ▼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. |
| ○ | -x(target) or -ax(target) is missing. |
| Source Object | Issue |
|---|
| ▼kmeans-icpx-Ofast– | |
| ▼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. |
| ○ | -x(target) or -ax(target) is missing. |
| r0 | r1 |
|---|
| Experiment Name | K-Means single icpx-Ofast 100000000 | K-Means single icpx-Ofast 100000000 |
|---|
| Application | ./kmeans/kmeans-icpx-Ofast | same as r0 |
|---|
| Timestamp | 2025-09-30 12:25:23 | 2025-09-30 12:20:38 |
|---|
| Experiment Type | OpenMP; | same as r0 |
|---|
| Machine | skylake | same as r0 |
|---|
| Architecture | x86_64 | same as r0 |
|---|
| Micro Architecture | SKYLAKE | same as r0 |
|---|
| Model Name | Intel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHz | same as r0 |
|---|
| Cache Size | 36608 KB | same as r0 |
|---|
| Number of Cores | 26 | same as r0 |
|---|
| Maximal Frequency | 2.1 GHz | same as r0 |
|---|
| OS Version | Linux 6.15.5-arch1-1 #1 SMP PREEMPT_DYNAMIC Sun, 06 Jul 2025 11:14:36 +0000 | same as r0 |
|---|
| Architecture used during static analysis | x86_64 | same as r0 |
|---|
| Micro Architecture used during static analysis | SKYLAKE | same as r0 |
|---|
| Compilation Options |
kmeans-icpx-Ofast: clang based Intel(R) oneAPI DPC++/C++ Compiler 2024.2.1 (2024.2.1.20240711) | same as r0 |
|---|
| Number of processes observed | 1 | same as r0 |
|---|
| Number of threads observed | 26 | same as r0 |
|---|
| Frequency Driver | intel_cpufreq | same as r0 |
|---|
| Frequency Governor | schedutil | same as r0 |
|---|
| Huge Pages | always | same as r0 |
|---|
| Hyperthreading | off | same as r0 |
|---|
| Number of sockets | 2 | same as r0 |
|---|
| Number of cores per socket | 26 | same as r0 |
|---|
| MAQAO version | 2025.1.2 | same as r0 |
|---|
| MAQAO build | 6bb02dd2f88d081c4d4e2dbcb1e050c3a5c12e97::20250929-114033 | same as r0 |
|---|
| Comments | Intel Xeon Platinum 8170 (Skylake CPU), 26 threads run, 250 iterations | same as r0 |
|---|
