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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 |