Run G++ O3 + Vectorize + Funroll + Ffastmath | Run ACFL O3 + Vectorize + Funroll + Ffastmath |
Loop Source Regions | - /home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 61-67
| Loop Source Regions | - /home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 61-67
|
ASM Loop ID | Max Time Over Threads (s) | Time w.r.t. Wall Time (s) | Cov (%) | Vect. Ratio (%) | Vector Length Use (%) | GFLOP/s | ASM Loop ID | Max Time Over Threads (s) | Time w.r.t. Wall Time (s) | Cov (%) | Vect. Ratio (%) | Vector Length Use (%) | GFLOP/s |
4 | 1.37 | 8.91 | 83.63 | 8.33 | 24.65 | 0.23 | 8 | 1.50 | 2.89 | 27.54 | 41.67 | 37.5 | 23.76 |
| |
Sum on 1 analyzed binary loop (kmeans-gcc-O3-all - 4) | Sum on 1 analyzed binary loop (kmeans-acfl-O3-all - 8) |
Analysis | Count | Analysis | Count |
Loop Computation Issues | | Loop Computation Issues | |
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA | 0 | Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA | 1 |
Presence of a large number of scalar integer instructions | 1 | Presence of a large number of scalar integer instructions | 0 |
Control Flow Issues | | Control Flow Issues | |
Presence of 2 to 4 paths | 0 | Presence of 2 to 4 paths | 1 |
Presence of more than 4 paths | 1 | Presence of more than 4 paths | 0 |
Vectorization Roadblocks | | Vectorization Roadblocks | |
Presence of 2 to 4 paths | 0 | Presence of 2 to 4 paths | 1 |
Presence of more than 4 paths | 1 | Presence of more than 4 paths | 0 |
Run G++ O3 + Vectorize + Funroll + Ffastmath | Run ACFL O3 + Vectorize + Funroll + Ffastmath |
Loop Source Regions | - /home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 81-84
| Loop Source Regions | - /home/fmusial/KMEANS_Benchmarks/kmeans/main.cpp: 81-84
|
ASM Loop ID | Max Time Over Threads (s) | Time w.r.t. Wall Time (s) | Cov (%) | Vect. Ratio (%) | Vector Length Use (%) | GFLOP/s | ASM Loop ID | Max Time Over Threads (s) | Time w.r.t. Wall Time (s) | Cov (%) | Vect. Ratio (%) | Vector Length Use (%) | GFLOP/s |
14 | 9.06 | 0.93 | 8.75 | 7.69 | 23.72 | 3.99 | 6 | 8.98 | 0.27 | 2.61 | 11.11 | 26.39 | 8.1 |
| |
Sum on 1 analyzed binary loop (kmeans-gcc-O3-all - 14) | Sum on 1 analyzed binary loop (kmeans-acfl-O3-all - 6) |
Analysis | Count | Analysis | Count |
Loop Computation Issues | | Loop Computation Issues | |
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA | 1 | Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA | 1 |
Presence of a large number of scalar integer instructions | 1 | Presence of a large number of scalar integer instructions | 1 |
Data Access Issues | | Data Access Issues | |
Presence of constant non-unit stride data access | 1 | Presence of constant non-unit stride data access | 0 |
Presence of indirect access | 1 | Presence of indirect access | 1 |
Vectorization Roadblocks | | Vectorization Roadblocks | |
Presence of constant non-unit stride data access | 1 | Presence of constant non-unit stride data access | 0 |
Presence of indirect access | 1 | Presence of indirect access | 1 |