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Global Metrics

Metricr0r1r2r3r4r5
Total Time (s)306.63206.27152.95125.93112.30107.45
Max (Thread Active Time) (s)304.25156.7679.7240.8821.2114.18
Average Active Time (s)304.25156.4479.5440.7521.1114.05
Activity Ratio (%)99.275.952.032.418.813.1
Average number of active threads0.9921.5172.0802.5893.0083.401
Affinity Stability (%)69.652.936.522.913.59.71
GFLOPS3.0174.5126.0437.2898.0468.114
Time in analyzed loops (%)100.097.895.692.788.680.4
Time in analyzed innermost loops (%)99.197.094.891.987.879.8
Time in user code (%)100.097.895.692.788.680.4
Compilation Options Score (%)100100100100100100
Array Access Efficiency (%)Not AvailableNot AvailableNot AvailableNot AvailableNot AvailableNot Available
Potential Speedups
Perfect Flow Complexity5.605.084.654.173.592.80
Perfect OpenMP/MPI/Pthread/TBB1.001.001.001.011.011.02
Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution1.001.021.051.081.131.25
Scalability - Gap1.001.352.003.295.869.11
No Scalar IntegerPotential Speedup1.101.091.091.091.081.07
Nb Loops to get 80%111111
FP VectorisedPotential Speedup2.122.072.021.961.871.71
Nb Loops to get 80%111111
Fully VectorisedPotential Speedup5.835.284.794.293.682.84
Nb Loops to get 80%111111
Only FP ArithmeticPotential Speedup1.411.401.381.371.341.29
Nb Loops to get 80%111111

Scalability Speedup

Cumulated Speedup If No Scalar Integer

Cumulated Speedup If FP Vectorized

Cumulated Speedup If Fully Vectorized

Cumulated Speedup If Only FP Arithmetic

Loop Based Profiles

Innermost / Single Loops

Inbetween Loops

Outermost Loops

Cumulated Coverage With All Loops

Innermost Loop Based Profiles

Coverage

Count

Application Categorization

Time

Coverage

Compilation Options

Source ObjectIssue
▼kmeans-icpx-O3-aggressive–
▼main.cpp–
○

Path Count Profiles

Coverage

Count

Low Iteration Count Profiles

Coverage

Count

Average Number of Active Threads

Run 1 - run_1_thread

Run 2 - run_2_threads

Run 3 - run_4_threads

Run 4 - run_8_threads

Run 5 - run_16_threads

Run 6 - run_26_threads

Experiment Summaries

r0r1r2r3r4r5
Experiment NameK-Means scalability icpx-O3-aggressive 100000000K-Means scalability icpx-O3-aggressive 100000000K-Means scalability icpx-O3-aggressive 100000000K-Means scalability icpx-O3-aggressive 100000000K-Means scalability icpx-O3-aggressive 100000000K-Means scalability icpx-O3-aggressive 100000000
Application./kmeans/kmeans-icpx-O3-aggressivesame as r0same as r0same as r0same as r0same as r0
Timestamp2025-07-16 20:20:51same as r0same as r0same as r0same as r0same as r0
Experiment TypeSequentialOpenMP; same as r1same as r1same as r1same as r1
Machineskylakesame as r0same as r0same as r0same as r0same as r0
Architecturex86_64same as r0same as r0same as r0same as r0same as r0
Micro ArchitectureSKYLAKEsame as r0same as r0same as r0same as r0same as r0
Model NameIntel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHzsame as r0same as r0same as r0same as r0same as r0
Cache Size36608 KBsame as r0same as r0same as r0same as r0same as r0
Number of Cores26same as r0same as r0same as r0same as r0same as r0
Maximal Frequency2.1 GHzsame as r0same as r0same as r0same as r0same as r0
OS VersionLinux 6.15.5-arch1-1 #1 SMP PREEMPT_DYNAMIC Sun, 06 Jul 2025 11:14:36 +0000same as r0same as r0same as r0same as r0same as r0
Architecture used during static analysisx86_64same as r0same as r0same as r0same as r0same as r0
Micro Architecture used during static analysisSKYLAKEsame as r0same as r0same as r0same as r0same as r0
Compilation Options kmeans-icpx-O3-aggressive: clang based Intel(R) oneAPI DPC++/C++ Compiler 2024.2.1 (2024.2.1.20240711) --driver-mode=g++ --intel -I . -MMD -MP -Wall -march=native -std=c++14 -g -fno-omit-frame-pointer -fiopenmp -O3 -x Host -funroll-loops -ffast-math -qopt-report=5 -c -o main.o main.cpp -fveclib=SVML -faltmathlib=SVML -fheinous-gnu-extensions same as r0same as r0same as r0same as r0same as r0
Number of processes observed1same as r0same as r0same as r0same as r0same as r0
Number of threads observed12481626
Frequency Driverintel_cpufreqsame as r0same as r0same as r0same as r0same as r0
Frequency Governorschedutilsame as r0same as r0same as r0same as r0same as r0
Huge Pagesalwayssame as r0same as r0same as r0same as r0same as r0
Hyperthreadingoffsame as r0same as r0same as r0same as r0same as r0
Number of sockets2same as r0same as r0same as r0same as r0same as r0
Number of cores per socket26same as r0same as r0same as r0same as r0same as r0
MAQAO version2025.1.1same as r0same as r0same as r0same as r0same as r0
MAQAO build933a186bb86a5daa8e86c3880bb3791669fb7baf::20250716-135632same as r0same as r0same as r0same as r0same as r0
CommentsIntel Xeon Platinum 8170 (Skylake CPU), 1-26 threads runssame as r0same as r0same as r0same as r0same as r0
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