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| Total Time (s) | 82.60 | |
| Max (Thread Active Time) (s) | 19.39 | |
| Average Active Time (s) | 18.54 | |
| Activity Ratio (%) | 68.0 | |
| Average number of active threads | 14.368 | |
| Affinity Stability (%) | 96.2 | |
| GFLOPS | 0.324 | |
| Time in analyzed loops (%) | 80.2 | |
| Time in analyzed innermost loops (%) | 6.36 | |
| Time in user code (%) | 80.2 | |
| Compilation Options Score (%) | 100 | |
| Array Access Efficiency (%) | 40.0 | |
|
| Potential Speedups |  |
| Perfect Flow Complexity | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB | 1.03 | |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.30 | |
| No Scalar Integer | Potential Speedup | 1.37 | |
| Nb Loops to get 80% | 1 | |
| FP Vectorised | Potential Speedup | 1.34 | |
| Nb Loops to get 80% | 1 | |
| Fully Vectorised | Potential Speedup | 2.56 | |
| Nb Loops to get 80% | 1 | |
| FP Arithmetic Only | Potential Speedup | 1.40 | |
| Nb Loops to get 80% | 1 | |
| Source Object | Issue |
| ▼kmeans-acfl-Ofast– | |
| ○main.cpp | |
| Experiment Name | K-Means scalability acfl-Ofast 100000000 |
| Application | ./kmeans/kmeans-acfl-Ofast |
| Timestamp | 2025-08-18 12:01:49 |
Universal Timestamp | 1755518509 |
| Number of processes observed | 1 |
Number of threads observed | 64 |
| Experiment Type | OpenMP; |
| Machine | ip-172-31-18-66 |
| Architecture | aarch64 |
Micro Architecture | ARM_NEOVERSE_V1 |
| OS Version | Linux 6.14.0-1010-aws #10~24.04.1-Ubuntu SMP Fri Jul 18 20:39:43 UTC 2025 |
| Architecture used during static analysis | aarch64 |
Micro Architecture used during static analysis | ARM_NEOVERSE_V1 |
| Frequency Driver | NA |
Frequency Governor | NA |
| Huge Pages | madvise |
Hyperthreading | off |
| Number of sockets | 1 |
Number of cores per socket | 64 |
| Compilation Options | kmeans-acfl-Ofast: Arm C/C++/Fortran Compiler version 24.10.1 (build number 4) (based on LLVM 19.1.0) /opt/arm/arm-linux-compiler-24.10.1_Ubuntu-20.04/llvm-bin/clang-19 --driver-mode=g++ -I . -MMD -MP -Wall -std=c++14 -g -fno-omit-frame-pointer -fopenmp -Ofast -grecord-command-line -march=native -mcpu=native -c -o main.o main.cpp GNU C17 14.2.0 -mlittle-endian -mabi=lp64 -g -g -g -O2 -O2 -O2 -fbuilding-libgcc -fno-stack-protector -fPIC | | |
| Comments | K-MEANS SOA AWS Graviton 3 (Neoverse V1) CPU, 64 threads run, 250 iterations | | |
| Dataset | |
| Run Command | <executable> kmeans/input/100000000.in 1000 100000000 50 250 |
| Number Processes | 1 |
| Number Nodes | 1 |
| Filter | Not Used |
| Profile Start | Not Used |