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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
- r6: run_96_threads
| Metric | r0 | r1 | r2 | r3 | r4 | r5 | r6 |
|---|
| Total Time (s) | 479.23 | 244.63 | 126.98 | 66.68 | 35.97 | 19.42 | 13.87 |
| Max (Thread Active Time) (s) | 479.17 | 244.60 | 126.95 | 66.65 | 35.94 | 19.39 | 13.84 |
| Average Active Time (s) | 479.15 | 244.59 | 126.94 | 66.65 | 35.93 | 19.38 | 13.82 |
| Activity Ratio (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| Average number of active threads | 2.000 | 3.999 | 7.998 | 15.991 | 31.968 | 63.873 | 95.657 |
| Affinity Stability (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 |
| Time in analyzed loops (%) | 98.9 | 98.2 | 96.2 | 93.4 | 89.4 | 86.2 | 83.3 |
| Time in analyzed innermost loops (%) | 54.7 | 54.5 | 54.1 | 53.7 | 53.2 | 53.3 | 52.8 |
| Time in user code (%) | 98.9 | 98.2 | 96.2 | 93.5 | 89.4 | 86.3 | 83.3 |
| Compilation Options Score (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Array Access Efficiency (%) | 99.6 | 99.6 | 99.6 | 99.6 | 99.6 | 99.6 | 99.6 |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | 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 | 1.05 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.01 | 1.03 | 1.06 | 1.11 | 1.15 | 1.19 |
| Scalability - Gap | 1.00 | 1.02 | 1.06 | 1.11 | 1.20 | 1.30 | 1.39 |
| No Scalar Integer | Potential Speedup | 1.55 | 1.54 | 1.51 | 1.47 | 1.41 | 1.36 | 1.33 |
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| FP Vectorised | Potential Speedup | 1.77 | 1.75 | 1.73 | 1.69 | 1.65 | 1.61 | 1.58 |
| Nb Loops to get 80% | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Fully Vectorised | Potential Speedup | 1.84 | 1.83 | 1.80 | 1.77 | 1.72 | 1.68 | 1.64 |
| Nb Loops to get 80% | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Only FP Arithmetic | Potential Speedup | 1.01 | 1.02 | 1.02 | 1.01 | 1.01 | 1.01 | 1.01 |
| Nb Loops to get 80% | 2 | 2 | 3 | 2 | 3 | 3 | 3 |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-gcc-O3– | |
| ▼simulation.cpp– | |
| ○ | |
| r0 | r1 | r2 | r3 | r4 | r5 | r6 |
|---|
| Experiment Name | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-O3 | MD scalability Neoverse V2 2-96 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 | same as r0 |
|---|
| Timestamp | 2025-08-28 14:11:11 | same as r0 | 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 | same as r0 |
|---|
| Machine | ip-172-31-47-249.ec2.internal | 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 |
|---|
| Micro Architecture | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| 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 |
|---|
| OS Version | Linux 6.1.109-118.189.amzn2023.aarch64 #1 SMP Tue Sep 10 08:58:40 UTC 2024 | 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 |
|---|
| Micro Architecture used during static analysis | ARM_NEOVERSE_V2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Compilation Options |
md-gcc-O3: GNU C++17 11.4.1 20230605 (Red Hat 11.4.1-2) -mlittle-endian -mabi=lp64 -march=armv8.5-a+crypto+rng+sve2-aes+sve2-sha3+sve2-bitperm+i8mm+bf16+nossbs+nopredres -mtune=neoverse-v2 -g -O3 -std=c++17 -fopenmp -funroll-loops | 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 |
|---|
| Number of threads observed | 2 | 4 | 8 | 16 | 32 | 64 | 96 |
|---|
| Frequency Driver | NA | 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 |
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| Huge Pages | madvise | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Hyperthreading | off | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| Number of sockets | 1 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Number of cores per socket | 96 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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| MAQAO version | 2025.1.2 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| MAQAO build | 78677d26ba83c289026fb4d7c73e99d2bb9b53c2::20250827-162523 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
|---|
| Comments | Molecular Dynamics AWS Graviton 4 (Neoverse V2 CPU), 2-96 threads runs | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
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