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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) | 527.06 | 272.46 | 140.85 | 74.43 | 40.70 | 22.28 |
| Max (Thread Active Time) (s) | 527.01 | 272.42 | 140.80 | 74.39 | 40.66 | 22.24 |
| Average Active Time (s) | 526.95 | 272.39 | 140.79 | 74.38 | 40.65 | 22.22 |
| Activity Ratio (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| Average number of active threads | 2.000 | 3.999 | 7.997 | 15.989 | 31.958 | 63.829 |
| Affinity Stability (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
| Time in analyzed loops (%) | 55.2 | 54.3 | 52.2 | 49.0 | 44.3 | 39.4 |
| Time in analyzed innermost loops (%) | 7.61 | 7.50 | 7.03 | 6.32 | 5.62 | 5.00 |
| Time in user code (%) | 99.1 | 98.4 | 96.6 | 92.9 | 87.7 | 83.1 |
| Compilation Options Score (%) | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 | 75.0 |
| Array Access Efficiency (%) | 62.5 | 62.5 | 62.5 | 62.5 | 62.5 | 62.5 |
|
| 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 | 1.02 | 1.04 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.01 | 1.03 | 1.07 | 1.13 | 1.20 |
| Scalability - Gap | 1.00 | 1.03 | 1.07 | 1.13 | 1.24 | 1.35 |
| No Scalar Integer | Potential Speedup | 1.65 | 1.63 | 1.59 | 1.54 | 1.47 | 1.40 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 1.39 | 1.38 | 1.36 | 1.33 | 1.29 | 1.25 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 1 | 1 |
| Fully Vectorised | Potential Speedup | 1.41 | 1.40 | 1.38 | 1.35 | 1.30 | 1.26 |
| Nb Loops to get 80% | 2 | 2 | 2 | 2 | 2 | 2 |
| Only FP Arithmetic | Potential Speedup | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 | 1.01 |
| Nb Loops to get 80% | 3 | 2 | 2 | 3 | 3 | 3 |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | -mcpu=native is missing. |
| r0 | r1 | r2 | r3 | r4 | r5 |
|---|
| Experiment Name | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 | MD Scalability Graviton 3 2-64 threads runs | Version : gcc-O3 |
|---|
| Application | ./bin/md-gcc-O3 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Timestamp | 2025-08-20 12:02:39 | 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-gcc-O3: GNU C++17 14.2.0 -mlittle-endian -mabi=lp64 -g -O3 -std=c++17 -fopenmp -funroll-loops | 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 |
|---|
