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- r0: run_2_threads
- r1: run_4_threads
- r2: run_8_threads
- r3: run_16_threads
- r4: run_32_threads
- r5: run_64_threads
| Metric | r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Total Time (s) | 518.02 | 267.28 | 138.67 | 73.18 | 39.73 | 21.87 |
| Max (Thread Active Time) (s) | 517.88 | 267.12 | 138.54 | 73.04 | 39.58 | 21.52 |
| Average Active Time (s) | 517.53 | 266.49 | 137.62 | 71.90 | 38.52 | 20.90 |
| Activity Ratio (%) | 99.9 | 99.7 | 99.3 | 98.3 | 97.1 | 95.8 |
| Average number of active threads | 1.998 | 3.988 | 7.939 | 15.720 | 31.026 | 61.179 |
| Affinity Stability (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| Time in analyzed loops (%) | 99.2 | 98.6 | 97.3 | 94.5 | 90.6 | 86.6 |
| Time in analyzed innermost loops (%) | 45.7 | 46.2 | 46.6 | 46.5 | 46.1 | 46.8 |
| Time in user code (%) | 99.2 | 98.6 | 97.3 | 94.5 | 90.6 | 86.6 |
| Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 |
| Array Access Efficiency (%) | 99.7 | 99.7 | 99.7 | 99.7 | 99.5 | 99.4 |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Perfect OpenMP/MPI/Pthread/TBB | 1.00 | 1.00 | 1.00 | 1.00 | 1.01 | 1.03 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.01 | 1.03 | 1.07 | 1.13 | 1.18 |
| Scalability - Gap | 1.00 | 1.03 | 1.07 | 1.13 | 1.23 | 1.35 |
| No Scalar Integer | Potential Speedup | 1.59 | 1.57 | 1.54 | 1.51 | 1.45 | 1.39 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 2.27 | 2.26 | 2.23 | 2.16 | 2.07 | 1.99 |
| Nb Loops to get 80% | 7 | 7 | 7 | 7 | 7 | 7 |
| Fully Vectorised | Potential Speedup | 2.57 | 2.57 | 2.53 | 2.44 | 2.31 | 2.22 |
| Nb Loops to get 80% | 8 | 8 | 8 | 7 | 7 | 7 |
| Only FP Arithmetic | Potential Speedup | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 2 | 3 |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Experiment Name | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-O3 |
|---|
| Application | ./bin/md-acfl-O3 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Timestamp | 2025-08-20 12:55:41 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Experiment Type | OpenMP; | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Machine | ip-172-31-18-66 | 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 |
|---|
| Micro Architecture | ARM_NEOVERSE_V1 | 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 |
|---|
| OS Version | Linux 6.14.0-1010-aws #10~24.04.1-Ubuntu SMP Fri Jul 18 20:39:43 UTC 2025 | 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 |
|---|
| Micro Architecture used during static analysis | ARM_NEOVERSE_V1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Compilation Options |
md-acfl-O3: 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++ -std=c++17 -fopenmp -D USE_OPENMP -Wall -Werror -Wextra -O3 -grecord-command-line -funroll-loops -g -I include -march=native -mcpu=native -c simulation.cpp -o simulation.o 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++ -std=c++17 -fopenmp -D USE_OPENMP -Wall -Werror -Wextra -O3 -grecord-command-line -funroll-loops -g -I include -march=native -mcpu=native -c main.cpp -o main.o | 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 |
|---|
| Number of threads observed | 2 | 4 | 8 | 16 | 32 | 64 |
|---|
| Frequency Driver | NA | 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 |
|---|
| Huge Pages | madvise | 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 |
|---|
| Number of sockets | 1 | 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 |
|---|
| MAQAO version | 2025.1.2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| MAQAO build | 3c12046452d68b38e394be5cd9e057265a89bbcf::20250812-175904 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Comments | Molecular Dynamics AWS Graviton 3 (Neoverse V1 CPU), 2-64 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
