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| Total Time (s) | 15.52 | |
| Max (Thread Active Time) (s) | 15.51 | |
| Average Active Time (s) | 15.51 | |
| Activity Ratio (%) | 99.9 | |
| Average number of active threads | 0.999 | |
| Affinity Stability (%) | 86.3 | |
| GFLOPS | 1.259 | |
| Time in analyzed loops (%) | 90.6 | |
| Time in analyzed innermost loops (%) | 78.0 | |
| Time in user code (%) | 90.6 | |
| Compilation Options Score (%) | 100 | |
| Array Access Efficiency (%) | 63.0 | |
|
| Potential Speedups | |
| Perfect Flow Complexity | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | |
| No Scalar Integer | Potential Speedup | 1.08 | |
| Nb Loops to get 80% | 2 | |
| FP Vectorised | Potential Speedup | 1.43 | |
| Nb Loops to get 80% | 3 | |
| Fully Vectorised | Potential Speedup | 4.02 | |
| Nb Loops to get 80% | 4 | |
| FP Arithmetic Only | Potential Speedup | 1.11 | |
| Nb Loops to get 80% | 4 | |
| Source Object | Issue |
|---|
| ▼attention-avx512– | |
| ○attention.cpp | |
| Application | ./attention-avx512 |
| Timestamp | 2026-05-13 14:17:58 |
Universal Timestamp | 1778674678 |
| Number of processes observed | 1 |
Number of threads observed | 1 |
| Experiment Type | Sequential |
| Machine | skylake |
| Model Name | Intel(R) Xeon(R) Platinum 8170 CPU @ 2.10GHz |
| Architecture | x86_64 |
Micro Architecture | SKYLAKE |
| Cache Size | 36608 KB |
Number of Cores | 26 |
| OS Version | Linux 6.19.8-arch1-1 #1 SMP PREEMPT_DYNAMIC Sat, 14 Mar 2026 01:07:43 +0000 |
| Architecture used during static analysis | x86_64 |
Micro Architecture used during static analysis | SKYLAKE |
| Frequency Driver | intel_cpufreq |
Frequency Governor | schedutil |
| Huge Pages | always |
Hyperthreading | off |
| Number of sockets | 2 |
Number of cores per socket | 26 |
| Compilation Options | attention-avx512: clang version 22.1.3 /usr/bin/clang++ --driver-mode=g++ -O3 -g -fno-omit-frame-pointer -grecord-command-line -march=skylake-avx512 -mprefer-vector-width=512 -Rpass=loop-vectorize -Rpass-analysis=loop-vectorize -fveclib=libmvec -ffast-math attention.cpp -o attention-avx512 -dumpdir attention-avx512- | | |
| Dataset | |
| Run Command | <executable> 128 32 10000 |
| Filter | Not Used |
| Profile Start | Not Used |
| Profile Stop | Not Used |
