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| Metric | r0 | r1 |
|---|
| Total Time (s) | 52.53 | 21.19 |
| Max (Thread Active Time) (s) | 51.88 | 20.84 |
| Average Active Time (s) | 51.66 | 20.25 |
| Activity Ratio (%) | 99.4 | 95.8 |
| Average number of active threads | 51.140 | 61.160 |
| Affinity Stability (%) | 100.0 | 99.9 |
| Time in analyzed loops (%) | 83.0 | 86.6 |
| Time in analyzed innermost loops (%) | 34.3 | 49.4 |
| Time in user code (%) | 83.0 | 86.6 |
| Compilation Options Score (%) | 100 | 100 |
| Array Access Efficiency (%) | 55.8 | 99.5 |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | 1.00 |
| Perfect OpenMP/MPI/Pthread/TBB | 1.07 | 1.04 |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.20 | 1.18 |
| No Scalar Integer | Potential Speedup | 1.09 | 1.15 |
| Nb Loops to get 80% | 1 | 2 |
| FP Vectorised | Potential Speedup | 2.42 | 1.96 |
| Nb Loops to get 80% | 6 | 7 |
| Fully Vectorised | Potential Speedup | 3.08 | 2.61 |
| Nb Loops to get 80% | 7 | 7 |
| Only FP Arithmetic | Potential Speedup | 1.25 | 1.12 |
| Nb Loops to get 80% | 1 | 1 |
| Source Object | Issue |
|---|
| ▼md-icpx-Ofast– | |
| ▼random.h– | |
| ○ | |
| ▼simulation.cpp– | |
| ○ | |
| Source Object | Issue |
|---|
| ▼md-acfl-Ofast– | |
| ▼simulation.cpp– | |
| ○ | |
| r0 | r1 |
|---|
| Experiment Name | MD scalability Skylake 2-52 threads runs (ICPX) | Version : icpx-Ofast | MD Scalability Graviton 3 2-64 threads runs | Version : acfl-Ofast |
|---|
| Application | ./bin/md-icpx-Ofast | ./bin/md-acfl-Ofast |
|---|
| Timestamp | 2025-08-20 14:58:16 | 2025-08-20 13:13:35 |
|---|
| Experiment Type | OpenMP; | same as r0 |
|---|
| Machine | skylake | ip-172-31-18-66 |
|---|
| Architecture | x86_64 | aarch64 |
|---|
| Micro Architecture | SKYLAKE | ARM_NEOVERSE_V1 |
|---|
| Model Name | Intel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHz | |
|---|
| Cache Size | 36608 KB | |
|---|
| Number of Cores | 26 | |
|---|
| Maximal Frequency | 2.1 GHz | 0 GHz |
|---|
| OS Version | Linux 6.15.5-arch1-1 #1 SMP PREEMPT_DYNAMIC Sun, 06 Jul 2025 11:14:36 +0000 | Linux 6.14.0-1010-aws #10~24.04.1-Ubuntu SMP Fri Jul 18 20:39:43 UTC 2025 |
|---|
| Architecture used during static analysis | x86_64 | aarch64 |
|---|
| Micro Architecture used during static analysis | SKYLAKE | ARM_NEOVERSE_V1 |
|---|
| Compilation Options |
md-icpx-Ofast: clang based Intel(R) oneAPI DPC++/C++ Compiler 2024.2.1 (2024.2.1.20240711) --driver-mode=g++ --intel -I include -std=c++17 -fiopenmp -D USE_OPENMP -Wall -Werror -Wextra -Ofast -funroll-loops -g -x Host -mtune=native -c simulation.cpp -o simulation.o -fveclib=SVML -faltmathlib=SVML -fheinous-gnu-extensions | 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 |
|---|
| Number of processes observed | 1 | same as r0 |
|---|
| Number of threads observed | 52 | 64 |
|---|
| Frequency Driver | intel_cpufreq | NA |
|---|
| Frequency Governor | schedutil | NA |
|---|
| Huge Pages | always | madvise |
|---|
| Hyperthreading | off | same as r0 |
|---|
| Number of sockets | 2 | 1 |
|---|
| Number of cores per socket | 26 | 64 |
|---|
| MAQAO version | 2025.1.2 | same as r0 |
|---|
| MAQAO build | a5bc9ffe18a557b734e9194b2a08753f23990eca::20250818-184816 | 3c12046452d68b38e394be5cd9e057265a89bbcf::20250812-175904 |
|---|
| Comments | Molecular Dynamics Dual Socket Intel Xeon Platinum 8170 (Skylake CPU), 2-52 threads runs | Molecular Dynamics AWS Graviton 3 (Neoverse V1 CPU), 2-64 threads runs |
|---|
