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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) | 497.62 | 257.85 | 133.55 | 71.00 | 38.57 | 21.19 |
| Max (Thread Active Time) (s) | 497.48 | 257.71 | 133.45 | 70.86 | 38.36 | 20.84 |
| Average Active Time (s) | 497.14 | 257.19 | 132.53 | 69.82 | 37.41 | 20.25 |
| Activity Ratio (%) | 99.9 | 99.8 | 99.3 | 98.4 | 97.1 | 95.8 |
| Average number of active threads | 1.998 | 3.990 | 7.939 | 15.732 | 31.040 | 61.160 |
| Affinity Stability (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| Time in analyzed loops (%) | 99.1 | 98.7 | 97.3 | 94.6 | 90.6 | 86.6 |
| Time in analyzed innermost loops (%) | 49.3 | 49.7 | 49.7 | 49.2 | 49.0 | 49.4 |
| Time in user code (%) | 99.1 | 98.7 | 97.3 | 94.6 | 90.6 | 86.6 |
| Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 |
| Array Access Efficiency (%) | 99.7 | 99.7 | 99.7 | 99.6 | 99.6 | 99.5 |
|
| 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 | 1.04 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.01 | 1.03 | 1.07 | 1.12 | 1.18 |
| Scalability - Gap | 1.00 | 1.04 | 1.07 | 1.14 | 1.24 | 1.36 |
| No Scalar Integer | Potential Speedup | 1.21 | 1.21 | 1.20 | 1.19 | 1.17 | 1.15 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 2 | 2 |
| FP Vectorised | Potential Speedup | 2.22 | 2.21 | 2.18 | 2.11 | 2.03 | 1.96 |
| Nb Loops to get 80% | 7 | 7 | 7 | 7 | 7 | 7 |
| Fully Vectorised | Potential Speedup | 3.36 | 3.33 | 3.23 | 3.04 | 2.81 | 2.61 |
| Nb Loops to get 80% | 8 | 8 | 8 | 8 | 8 | 7 |
| Only FP Arithmetic | Potential Speedup | 1.17 | 1.17 | 1.16 | 1.15 | 1.14 | 1.12 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Experiment Name | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast |
|---|
| Application | ./bin/md-acfl-Ofast | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Timestamp | 2025-08-20 13:13:35 | 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-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++ -std=c++17 -fopenmp -D USE_OPENMP -Wall -Werror -Wextra -Ofast -grecord-command-line -funroll-loops -g -I include -march=native -mcpu=native -c simulation.cpp -o simulation.o GNU C17 14.2.0 -mlittle-endian -mabi=lp64 -g -g -g -O2 -O2 -O2 -fbuilding-libgcc -fno-stack-protector -fPIC | 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 |
|---|
