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| Total Time (s) | 75.00 | |
| Max (Thread Active Time) (s) | 60.69 | |
| Average Active Time (s) | 57.85 | |
| Activity Ratio (%) | 77.1 | |
| Average number of active threads | 49.359 | |
| Affinity Stability (%) | 96.3 | |
| GFLOPS | 23.497 | |
| Time in analyzed loops (%) | 77.0 | |
| Time in analyzed innermost loops (%) | 70.6 | |
| Time in user code (%) | 77.0 | |
| Compilation Options Score (%) | 62.5 | |
| Array Access Efficiency (%) | 33.3 | |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | |
| Perfect OpenMP + MPI + Pthread | 1.24 | |
| Perfect OpenMP + MPI + Pthread + Perfect Load Distribution | 1.36 | |
| No Scalar Integer | Potential Speedup | 1.05 | |
| Nb Loops to get 80% | 1 | |
| FP Vectorised | Potential Speedup | 1.00 | |
| Nb Loops to get 80% | 1 | |
| Fully Vectorised | Potential Speedup | 1.03 | |
| Nb Loops to get 80% | 1 | |
| FP Arithmetic Only | Potential Speedup | 1.05 | |
| Nb Loops to get 80% | 1 | |
| Source Object | Issue |
|---|
| ▼spmxv-gcc-ofast.exe– | |
| ▼main.cpp– | |
| ○ | -O3 or -Ofast is missing. |
| ○ | -funroll-loops is missing. |
| Experiment Name | SPMxV Neoverse V1 Multicore run : spmxv-gcc-ofast.exe |
| Application | ./spmxv-gcc-ofast.exe |
| Timestamp | 2025-07-01 07:57:36 |
Universal Timestamp | 1751356656 |
| Number of processes observed | 1 |
Number of threads observed | 64 |
| Experiment Type | OpenMP; |
| Machine | ip-172-31-18-66 |
| Architecture | aarch64 |
Micro Architecture | ARM_NEOVERSE_V1 |
| OS Version | Linux 6.8.0-1030-aws #32-Ubuntu SMP Wed May 28 19:33:40 UTC 2025 |
| Architecture used during static analysis | aarch64 |
Micro Architecture used during static analysis | ARM_NEOVERSE_V1 |
| Frequency Driver | NA |
Frequency Governor | NA |
| Huge Pages | madvise |
Hyperthreading | off |
| Number of sockets | 1 |
Number of cores per socket | 64 |
| Compilation Options | spmxv-gcc-ofast.exe: GNU C++17 14.2.0 -mlittle-endian -mabi=lp64 -mcpu=neoverse-v1+sm4+crc+aes+sha3 -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 | | |
| Dataset | |
| Run Command | <executable> -f input-matrix/mat_dim_493039.txt -t 64 -r 200000 |
| Number Processes | 1 |
| Number Nodes | 1 |
| Filter | Not Used |
| Profile Start | Not Used |
