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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) | 436.49 | 223.20 | 115.87 | 61.06 | 32.97 | 17.91 | 12.85 |
Max (Thread Active Time) (s) | 436.45 | 223.17 | 115.84 | 61.04 | 32.94 | 17.88 | 12.82 |
Average Active Time (s) | 436.42 | 223.16 | 115.83 | 61.03 | 32.94 | 17.87 | 12.80 |
Activity Ratio (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 | 99.8 |
Average number of active threads | 2.000 | 3.999 | 7.997 | 15.991 | 31.964 | 63.858 | 95.621 |
Affinity Stability (%) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.9 | 99.9 |
Time in analyzed loops (%) | 98.8 | 98.1 | 96.2 | 93.6 | 89.7 | 86.3 | 83.0 |
Time in analyzed innermost loops (%) | 58.4 | 58.5 | 57.9 | 57.5 | 56.9 | 56.7 | 55.7 |
Time in user code (%) | 98.9 | 98.2 | 96.2 | 93.6 | 89.7 | 86.4 | 83.0 |
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 | 99.5 |
|
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 | 1.01 | 1.01 | 1.02 | 1.06 |
Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.01 | 1.03 | 1.06 | 1.11 | 1.15 | 1.20 |
Scalability - Gap | 1.00 | 1.02 | 1.06 | 1.12 | 1.21 | 1.31 | 1.41 |
No Scalar Integer | Potential Speedup | 1.39 | 1.38 | 1.36 | 1.33 | 1.29 | 1.26 | 1.23 |
Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
FP Vectorised | Potential Speedup | 1.71 | 1.70 | 1.68 | 1.65 | 1.61 | 1.57 | 1.54 |
Nb Loops to get 80% | 6 | 6 | 6 | 6 | 5 | 5 | 5 |
Fully Vectorised | Potential Speedup | 1.96 | 1.95 | 1.91 | 1.86 | 1.80 | 1.75 | 1.70 |
Nb Loops to get 80% | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Only FP Arithmetic | Potential Speedup | 1.16 | 1.16 | 1.16 | 1.15 | 1.13 | 1.12 | 1.11 |
Nb Loops to get 80% | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
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Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
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Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
○ | |
Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
○ | |
Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
○ | |
Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
○ | |
Source Object | Issue |
▼md-gcc-Ofast– | |
▼simulation.cpp– | |
○ | |
| r0 | r1 | r2 | r3 | r4 | r5 | r6 |
Experiment Name | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast | MD scalability Neoverse V2 2-96 threads runs | Version : gcc-Ofast |
Application | ./bin/md-gcc-Ofast | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 | same as r0 |
Timestamp | 2025-08-28 14:27:56 | 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 |
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-Ofast: 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 -Ofast -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 |
Huge Pages | madvise | 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 |
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 |
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 |