Help is available by moving the cursor above any
symbol or by checking MAQAO website.
- r0: run_1_thread
- r1: run_2_threads
- r2: run_4_threads
- r3: run_8_threads
- r4: run_16_threads
- r5: run_32_threads
- r6: run_48_threads
- r7: run_64_threads
Metric | r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 |
---|
Total Time (s) | 182.84 | 120.26 | 89.23 | 73.24 | 64.95 | 60.92 | 59.83 | 59.13 |
Max (Thread Active Time) (s) | 181.61 | 118.58 | 87.73 | 71.79 | 63.61 | 59.62 | 58.44 | 58.07 |
Average Active Time (s) | 181.61 | 91.37 | 46.51 | 23.61 | 12.03 | 6.37 | 4.46 | 3.49 |
Activity Ratio (%) | 99.3 | 76.0 | 52.1 | 32.2 | 18.5 | 10.5 | 7.45 | 5.90 |
Average number of active threads | 0.993 | 1.519 | 2.085 | 2.579 | 2.963 | 3.348 | 3.576 | 3.776 |
Affinity Stability (%) | 99.9 | 99.9 | 99.9 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
GFLOPS | 44.5 E-3 | 53.7 E-3 | 66.0 E-3 | 77.0 E-3 | 82.2 E-3 | 90.0 E-3 | 99.6 E-3 | 0.122 |
Time in analyzed loops (%) | 69.8 | 69.2 | 68.0 | 67.0 | 65.9 | 63.0 | 61.1 | 59.6 |
Time in analyzed innermost loops (%) | 69.2 | 68.6 | 67.4 | 66.4 | 65.3 | 62.5 | 60.5 | 59.1 |
Time in user code (%) | 69.8 | 69.3 | 68.0 | 67.0 | 65.9 | 63.0 | 61.1 | 59.6 |
Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
Array Access Efficiency (%) | 97.5 | 97.5 | 97.5 | 97.5 | 97.4 | 96.7 | 95.7 | 95.0 |
|
Potential Speedups |  |
Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Perfect OpenMP/MPI/Pthread/TBB | 1.00 | 1.01 | 1.02 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 |
Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.31 | 1.93 | 3.16 | 5.60 | 10.4 | 15.1 | 19.7 |
Scalability - Gap | 1.00 | 1.32 | 1.95 | 3.20 | 5.68 | 10.66 | 15.71 | 20.70 |
No Scalar Integer | Potential Speedup | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.02 | 1.02 |
Nb Loops to get 80% | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
FP Vectorised | Potential Speedup | 1.27 | 1.27 | 1.27 | 1.26 | 1.25 | 1.24 | 1.23 | 1.22 |
Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Fully Vectorised | Potential Speedup | 1.94 | 1.93 | 1.90 | 1.87 | 1.85 | 1.78 | 1.74 | 1.71 |
Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Only FP Arithmetic | Potential Speedup | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.02 | 1.03 | 1.03 |
Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
Source Object | Issue |
▼kmeans-acfl-O3-all– | |
▼main.cpp– | |
○ | |
| r0 | r1 | r2 | r3 | r4 | r5 | r6 | r7 |
Experiment Name | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 | K-Means scalability acfl-O3-all 100000000 |
Application | ./kmeans/kmeans-acfl-O3-all | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Timestamp | 2025-07-11 09:40:09 | same as r0 | same as r0 | 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 | same as r1 | same as r1 |
Machine | ip-172-31-18-66 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Architecture | aarch64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Micro Architecture | ARM_NEOVERSE_V1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Model Name | | | | | | | | |
Cache Size | | | | | | | | |
Number of Cores | | | | | | | | |
Maximal Frequency | 0 GHz | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
OS Version | Linux 6.8.0-1031-aws #33-Ubuntu SMP Fri Jun 20 17:58:11 UTC 2025 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Architecture used during static analysis | aarch64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Micro Architecture used during static analysis | ARM_NEOVERSE_V1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Compilation Options |
kmeans-acfl-O3-all: 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 -march=native -std=c++14 -g -fno-omit-frame-pointer -fopenmp -O3 -funroll-loops -ffast-math -grecord-command-line -c -o main.o main.cpp | same as r0 | same as r0 | 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 | same as r0 | same as r0 |
Number of threads observed | 1 | 2 | 4 | 8 | 16 | 32 | 48 | 64 |
Frequency Driver | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Frequency Governor | NA | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Huge Pages | madvise | same as r0 | same as r0 | 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 | same as r0 | same as r0 |
Number of sockets | 1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Number of cores per socket | 64 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
MAQAO version | 2025.1.1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
MAQAO build | f763b230967252184a5e61875ae92196728ac8f6::20250710-120157 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Comments | AWS Graviton 3 (Neoverse V1) CPU, 1-64 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |