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| Total Time (s) | 8.80 | |
| Max (Thread Active Time) (s) | 8.80 | |
| Average Active Time (s) | 8.80 | |
| Activity Ratio (%) | 99.9 | |
| Average number of active threads | 0.999 | |
| Affinity Stability (%) | 99.9 | |
| Time in analyzed loops (%) | 88.7 | |
| Time in analyzed innermost loops (%) | 76.9 | |
| Time in user code (%) | 88.9 | |
| Compilation Options Score (%) | 100 | |
| Array Access Efficiency (%) | 75.3 | |
|
| 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% | 3 | |
| FP Vectorised | Potential Speedup | 1.61 | |
| Nb Loops to get 80% | 5 | |
| Fully Vectorised | Potential Speedup | 5.50 | |
| Nb Loops to get 80% | 8 | |
| FP Arithmetic Only | Potential Speedup | 1.11 | |
| Nb Loops to get 80% | 5 | |
| Source Object | Issue |
|---|
| ▼attention-clang-znver5-256– | |
| ○attention_v2.cpp | |
| Application | ./attention-clang-znver5-256 |
| Timestamp | 2026-06-22 18:08:29 |
Universal Timestamp | 1782144509 |
| Number of processes observed | 1 |
Number of threads observed | 1 |
| Experiment Type | Sequential |
| Machine | gmz12.benchmarkcenter.megware.com |
| Model Name | AMD EPYC 9655 96-Core Processor |
| Architecture | x86_64 |
Micro Architecture | ZEN_V5 |
| Cache Size | 1024 KB |
Number of Cores | 96 |
| OS Version | Linux 5.14.0-611.54.6.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 04:23:18 EDT 2026 |
| Architecture used during static analysis | x86_64 |
Micro Architecture used during static analysis | ZEN_V5 |
| Frequency Driver | amd-pstate-epp |
Frequency Governor | performance |
| Huge Pages | always |
Hyperthreading | on |
| Number of sockets | 2 |
Number of cores per socket | 96 |
| Compilation Options | attention-clang-znver5-256: clang version 21.1.8 /beegfs/hackathon/users/eoseret/spack-install/linux-zen4/llvm-21.1.8-bfvz545rqe5kvs5h24gj6hdamlfpj3u2/bin/clang-21 --gcc-install-dir=/usr/lib/gcc/x86_64-redhat-linux/11 --driver-mode=g++ -O3 -g -fno-omit-frame-pointer -grecord-command-line -march=native -mprefer-vector-width=256 -fapprox-func -fno-math-errno -ffinite-math-only -fassociative-math -fno-signed-zeros attention_v2.cpp -o attention-clang-znver5-256 -dumpdir attention-clang-znver5-256- | | |
| Dataset | |
| Run Command | <executable> 128 32 10000 |
| Filter | Not Used |
| Profile Start | Not Used |
| Profile Stop | Not Used |
