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| Metric | r0 | r1 | r2 | |
|---|---|---|---|---|
| Total Time (s) | 9.40 | 9.54 | 9.44 | |
| Max (Thread Active Time) (s) | 9.40 | 9.54 | 9.40 | |
| Average Active Time (s) | 9.40 | 9.54 | 9.40 | |
| Activity Ratio (%) | 100.0 | 100.0 | 99.6 | |
| Average number of active threads | 1.000 | 1.000 | 0.996 | |
| Affinity Stability (%) | 99.9 | 99.9 | 99.6 | |
| GFLOPS | 3.269 | 3.139 | 3.476 | |
| Time in analyzed loops (%) | 93.2 | 92.0 | 96.4 | |
| Time in analyzed innermost loops (%) | 86.0 | 84.7 | 93.6 | |
| Time in user code (%) | 93.3 | 92.0 | 96.4 | |
| Compilation Options Score (%) | 100 | 100 | 100 | |
| Array Access Efficiency (%) | 71.4 | 75.3 | 75.1 | |
| Potential Speedups | | |||
| Perfect Flow Complexity | 1.00 | 1.00 | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB | 1.00 | 1.00 | 1.00 | |
| Perfect OpenMP/MPI/Pthread/TBB + Perfect Load Distribution | 1.00 | 1.00 | 1.00 | |
| No Scalar Integer | Potential Speedup | 1.02 | 1.04 | 1.01 |
| Nb Loops to get 80% | 4 | 2 | 4 | |
| FP Vectorised | Potential Speedup | 1.81 | 1.68 | 1.81 |
| Nb Loops to get 80% | 5 | 4 | 4 | |
| Fully Vectorised | Potential Speedup | 6.84 | 5.09 | 7.87 |
| Nb Loops to get 80% | 7 | 5 | 5 | |
| Only FP Arithmetic | Potential Speedup | 1.04 | 1.05 | 1.02 |
| Nb Loops to get 80% | 5 | 3 | 6 | |
| Source Object | Issue |
|---|---|
| ▼attention-avx512 | |
| ▼attention.cpp | |
| ○ |
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| r0 | r1 | r2 | |
|---|---|---|---|
| Experiment Name | |||
| Application | ./attention-avx512 | same as r0 | same as r0 |
| Timestamp | 2026-05-26 17:33:02 | 2026-05-26 17:25:32 | 2026-05-26 17:15:58 |
| Experiment Type | Sequential | same as r0 | same as r0 |
| Machine | gmz12.benchmarkcenter.megware.com | same as r0 | same as r0 |
| Architecture | x86_64 | same as r0 | same as r0 |
| Micro Architecture | ZEN_V5 | same as r0 | same as r0 |
| Model Name | AMD EPYC 9655 96-Core Processor | same as r0 | same as r0 |
| Cache Size | 1024 KB | same as r0 | same as r0 |
| Number of Cores | 96 | same as r0 | same as r0 |
| Maximal Frequency | 4.51 GHz | same as r0 | same as r0 |
| 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 | same as r0 | same as r0 |
| Architecture used during static analysis | x86_64 | same as r0 | same as r0 |
| Micro Architecture used during static analysis | ZEN_V5 | same as r0 | same as r0 |
| Compilation Options | attention-avx512: AMD clang version 17.0.6 (CLANG: AOCC_5.1.0-Build#1994 2025_12_23) /cluster/comp/aocc/5.1.0/bin/clang-17 --driver-mode=g++ -O3 -g -fno-omit-frame-pointer -grecord-command-line -march=native -mprefer-vector-width=256 -Rpass=loop-vectorize -Rpass-analysis=loop-vectorize -fapprox-func -fno-math-errno -ffinite-math-only -fassociative-math -fno-signed-zeros attention.cpp -o attention-avx512 -dumpdir attention-avx512- | attention-avx512: AMD clang version 17.0.6 (CLANG: AOCC_5.1.0-Build#1994 2025_12_23) /cluster/comp/aocc/5.1.0/bin/clang-17 --driver-mode=g++ -O3 -g -fno-omit-frame-pointer -grecord-command-line -march=native -mprefer-vector-width=512 -Rpass=loop-vectorize -Rpass-analysis=loop-vectorize -fapprox-func -fno-math-errno -ffinite-math-only -fassociative-math -fno-signed-zeros attention.cpp -o attention-avx512 -dumpdir attention-avx512- | attention-avx512: AMD clang version 17.0.6 (CLANG: AOCC_5.1.0-Build#1994 2025_12_23) /cluster/comp/aocc/5.1.0/bin/clang-17 --driver-mode=g++ -O3 -g -fno-omit-frame-pointer -grecord-command-line -march=native -mprefer-vector-width=512 -Rpass=loop-vectorize -Rpass-analysis=loop-vectorize -ffast-math -fveclib=AMDLIBM attention.cpp -o attention-avx512 -lamdlibm -lm -dumpdir attention-avx512- |
| Number of processes observed | 1 | same as r0 | same as r0 |
| Number of threads observed | 1 | same as r0 | same as r0 |
| Frequency Driver | amd-pstate-epp | same as r0 | same as r0 |
| Frequency Governor | performance | same as r0 | same as r0 |
| Huge Pages | always | same as r0 | same as r0 |
| Hyperthreading | on | same as r0 | same as r0 |
| Number of sockets | 2 | same as r0 | same as r0 |
| Number of cores per socket | 96 | same as r0 | same as r0 |
| MAQAO version | 2026.0.0 | same as r0 | same as r0 |
| MAQAO build | c2807bda8076cbf3c73622797383dfb0369078c6::20260507-181151 | same as r0 | same as r0 |
| Comments | same as r0 | same as r0 |