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  - r0: spmxv-gcc-o3.exe
- r1: spmxv-gcc-ofast.exe
- r2: spmxv-acfl-o3.exe
- r3: spmxv-acfl-ofast.exe
| Metric | r0 | r1 | r2 | r3 | 
|---|
| Total Time (s) | 84.56 | 84.93 | 23.89 | 24.22 | 
| Max (Thread Active Time) (s) | 33.93 | 33.11 | 22.74 | 23.10 | 
| Average Active Time (s) | 31.13 | 30.03 | 21.09 | 21.40 | 
| Activity Ratio (%) | 36.8 | 35.4 | 88.3 | 88.4 | 
| Average number of active threads | 35.346 | 33.945 | 84.717 | 84.827 | 
| Affinity Stability (%) | 97.8 | 97.8 | 99.9 | 99.9 | 
| GFLOPS | 36.889 | 38.933 | 122.797 | 124.483 | 
| Time in analyzed loops (%) | 40.4 | 38.8 | 66.1 | 66.6 | 
| Time in analyzed innermost loops (%) | 38.7 | 35.0 | 63.0 | 61.2 | 
| Time in user code (%) | 40.4 | 38.8 | 66.1 | 66.6 | 
| Compilation Options Score (%) | 75.0 | 62.5 | 100 | 100 | 
| Array Access Efficiency (%) | 33.3 | 27.2 | 65.1 | 64.0 | 
|  | 
| Potential Speedups |  | 
| Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | 1.00 | 
| Perfect OpenMP + MPI + Pthread | 2.15 | 2.21 | 1.30 | 1.33 | 
| Perfect OpenMP + MPI + Pthread + Perfect Load Distribution | 2.69 | 2.83 | 1.63 | 1.62 | 
| No Scalar Integer | Potential Speedup | 1.01 | 1.03 | 1.00 | 1.04 | 
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 
| FP Vectorised | Potential Speedup | 1.00 | 1.02 | 1.27 | 1.29 | 
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 
| Fully Vectorised | Potential Speedup | 1.01 | 1.05 | 1.50 | 1.24 | 
| Nb Loops to get 80% | 1 | 2 | 1 | 2 | 
| Only FP Arithmetic | Potential Speedup | 1.02 | 1.04 | 1.00 | 1.04 | 
| Nb Loops to get 80% | 1 | 1 | 1 | 1 | 
| Source Object | Issue | 
|---|
| ▼spmxv-gcc-o3.exe– |  | 
| ▼main.cpp– |  | 
| ○ | -funroll-loops is missing. | 
 
 
| Source Object | Issue | 
|---|
| ▼spmxv-gcc-ofast.exe– |  | 
| ▼main.cpp– |  | 
| ○ | -O3 or -Ofast is missing. | 
| ○ | -funroll-loops is missing. | 
 
 
| Source Object | Issue | 
|---|
| ▼spmxv-acfl-o3.exe– |  | 
| ▼main.cpp– |  | 
| ○ |  | 
 
 
| Source Object | Issue | 
|---|
| ▼spmxv-acfl-ofast.exe– |  | 
| ▼main.cpp– |  | 
| ○ |  | 
 
 
 
|  | r0 | r1 | r2 | r3 | 
|---|
| Experiment Name | SPMxV Neoverse V2 Multicore run : spmxv-gcc-o3.exe | SPMxV Neoverse V2 Multicore run : spmxv-gcc-ofast.exe | SPMxV Neoverse V2 Multicore run : spmxv-acfl-o3.exe | SPMxV Neoverse V2 Multicore run : spmxv-acfl-ofast.exe | 
|---|
| Application | ./spmxv-gcc-o3.exe | ./spmxv-gcc-ofast.exe | ./spmxv-acfl-o3.exe | ./spmxv-acfl-ofast.exe | 
|---|
| Timestamp | 2025-07-01 07:48:01 | 2025-07-01 07:49:36 | 2025-07-01 09:33:55 | 2025-07-01 09:34:27 | 
|---|
| Experiment Type | OpenMP; | 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 | 
|---|
| Architecture | aarch64 | same as r0 | same as r0 | same as r0 | 
|---|
| Micro Architecture | ARM_NEOVERSE_V2 | 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 | 
|---|
| 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 | 
|---|
| Architecture used during static analysis | aarch64 | 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 | 
|---|
| Compilation Options | spmxv-gcc-o3.exe: GNU C++17 14.2.0 -mlittle-endian -mabi=lp64 -mcpu=neoverse-v2+crc+sve2-aes+sve2-sha3+nossbs -g -O3 -fopenmp -fno-omit-frame-pointer | spmxv-gcc-ofast.exe: GNU C++17 14.2.0 -mlittle-endian -mabi=lp64 -mcpu=neoverse-v2+crc+sve2-aes+sve2-sha3+nossbs -g -Ofast -fopenmp -fno-omit-frame-pointer GNU C17 14.2.0 -mlittle-endian -mabi=lp64 -g -g -g -O2 -O2 -O2 -fbuilding-libgcc -fno-stack-protector -fPIC | spmxv-acfl-o3.exe: 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_AmazonLinux-2023/llvm-bin/clang-19 --driver-mode=g++ -I . -I utils -MMD -MP -g -fopenmp -march=native -fno-omit-frame-pointer -O3 -grecord-command-line -c -o main.o main.cpp 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_AmazonLinux-2023/llvm-bin/clang-19 --driver-mode=g++ -I . -I utils -MMD -MP -g -fopenmp -march=native -fno-omit-frame-pointer -O3 -grecord-command-line -c -o utils/ooo_cmdline.o utils/ooo_cmdline.cpp | spmxv-acfl-ofast.exe: 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_AmazonLinux-2023/llvm-bin/clang-19 --driver-mode=g++ -I . -I utils -MMD -MP -g -fopenmp -march=native -fno-omit-frame-pointer -Ofast -grecord-command-line -c -o main.o main.cpp 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_AmazonLinux-2023/llvm-bin/clang-19 --driver-mode=g++ -I . -I utils -MMD -MP -g -fopenmp -march=native -fno-omit-frame-pointer -Ofast -grecord-command-line -c -o utils/ooo_cmdline.o utils/ooo_cmdline.cpp | 
|---|
| Number of processes observed | 1 | same as r0 | same as r0 | same as r0 | 
|---|
| Number of threads observed | 96 | same as r0 | same as r0 | same as r0 | 
|---|
| Frequency Driver | NA | same as r0 | same as r0 | same as r0 | 
|---|
| Frequency Governor | NA | same as r0 | same as r0 | same as r0 | 
|---|
| Huge Pages | madvise | same as r0 | same as r0 | same as r0 | 
|---|
| Hyperthreading | off | same as r0 | same as r0 | same as r0 | 
|---|
| Number of sockets | 1 | same as r0 | same as r0 | same as r0 | 
|---|
| Number of cores per socket | 96 | same as r0 | same as r0 | same as r0 | 
|---|
| MAQAO version | 2025.1.1 | same as r0 | same as r0 | same as r0 | 
|---|
| MAQAO build | f3e40b5f1dbd62488bc0cc5f885d40677c87bfe8::20250630-094248 | same as r0 | same as r0 | same as r0 | 
|---|
| Comments |  | same as r0 | same as r0 | same as r0 | 
|---|