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| Total Time (s) | 6.68 | |
| Max (Thread Active Time) (s) | 6.66 | |
| Average Active Time (s) | 6.66 | |
| Activity Ratio (%) | 99.6 | |
| Average number of active threads | 0.996 | |
| Affinity Stability (%) | 99.6 | |
| Time in analyzed loops (%) | 90.4 | |
| Time in analyzed innermost loops (%) | 85.5 | |
| Time in user code (%) | 90.8 | |
| Compilation Options Score (%) | 75.0 | |
| Array Access Efficiency (%) | 46.4 | |
|
| 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 | 1.02 | |
| Nb Loops to get 80% | 5 | |
| FP Vectorised | Potential Speedup | 1.71 | |
| Nb Loops to get 80% | 5 | |
| Fully Vectorised | Potential Speedup | 6.10 | |
| Nb Loops to get 80% | 8 | |
| FP Arithmetic Only | Potential Speedup | 1.02 | |
| Nb Loops to get 80% | 5 | |
| Source Object | Issue |
|---|
| ▼attention-gcc-znver5-256– | |
| ○random.tcc | -funroll-loops is missing. |
| ○attention_v2.cpp | -funroll-loops is missing. |
| Application | ./attention-gcc-znver5-256 |
| Timestamp | 2026-06-22 16:25:56 |
Universal Timestamp | 1782138356 |
| 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-gcc-znver5-256: GNU C++17 15.1.0 -march=znver5 -mmmx -mpopcnt -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -mavx -mavx2 -msse4a -mno-fma4 -mno-xop -mfma -mavx512f -mbmi -mbmi2 -maes -mpclmul -mavx512vl -mavx512bw -mavx512dq -mavx512cd -mavx512vbmi -mavx512ifma -mavx512vpopcntdq -mavx512vbmi2 -mgfni -mvpclmulqdq -mavx512vnni -mavx512bitalg -mavx512bf16 -mavx512vp2intersect -mno-3dnow -madx -mabm -mno-cldemote -mclflushopt -mclwb -mclzero -mcx16 -mno-enqcmd -mf16c -mfsgsbase -mfxsr -mno-hle -msahf -mno-lwp -mlzcnt -mmovbe -mmovdir64b -mmovdiri -mmwaitx -mno-pconfig -mpku -mprfchw -mno-ptwrite -mrdpid -mrdrnd -mrdseed -mno-rtm -mno-serialize -mno-sgx -msha -mshstk -mno-tbm -mno-tsxldtrk -mvaes -mno-waitpkg -mwbnoinvd -mxsave -mxsavec -mxsaveopt -mxsaves -mno-amx-tile -mno-amx-int8 -mno-amx-bf16 -mno-uintr -mno-hreset -mno-kl -mno-widekl -mavxvnni -mno-avx512fp16 -mno-avxifma -mno-avxvnniint8 -mno-avxneconvert -mno-cmpccxadd -mno-amx-fp16 -mno-prefetchi -mno-raoint -mno-amx-complex -mno-avxvnniint16 -mno-sm3 -mno-sha512 -mno-sm4 -mno-apxf -mno-usermsr -mno-avx10.2 -mno-amx-avx512 -mno-amx-tf32 -mno-amx-transpose -mno-amx-fp8 -mno-movrs -mno-amx-movrs --param=l1-cache-size=48 --param=l1-cache-line-size=64 --param=l2-cache-size=1024 -mtune=znver5 -mprefer-vector-width=256 -g -O3 -fno-omit-frame-pointer -fno-math-errno -ffinite-math-only -fassociative-math -fno-signed-zeros | | |
| Dataset | |
| Run Command | <executable> 128 32 10000 |
| Filter | Not Used |
| Profile Start | Not Used |
| Profile Stop | Not Used |
