mpirun --allow-run-as-root -n 96 ./miniFE.x nx=300 verify_solution=1
“nx”表示<X方向问题的大小>。
在生成的“yaml”查看“Total CG Mflops: 34377.9”和“Total Program Time: 29.567”两项结果。
Iterations: 200 Final Resid Norm: 0.00247174 WAXPY Time: 1.36617 WAXPY Flops: 4.8762e+10 WAXPY Mflops: 35692.6 DOT Time: 1.10191 DOT Flops: 2.16e+10 DOT Mflops: 19602.3 MATVEC Time: 8.12439 MATVEC Flops: 2.94036e+11 MATVEC Mflops: 36191.7 Total: Total CG Time: 10.5998 Total CG Flops: 3.64398e+11 Total CG Mflops: 34377.9 Time per iteration: 0.0529988 Global All-RSS (kB): 15019072 Global Max-RSS (kB): 166592 Total Program Time: 29.567