[root@c-15 mplinpack]# yod -sz 350 mplinpack -n 62000 -r 35 -b 40 Contacting node allocation daemon... 350 nodes are allocated to your job ID 106. Awaiting synchronization of compute nodes before beginning user code. User code is starting on compute nodes. Matrix size: 62000 x 62000 Data type is double precision, real Number of right hand sides is 1 Block size is 40 Number of processors: 350 Number of processors used: 350 Processor decomposition is 10 x 35 Using libkmath gemms Memory used (heap): 93205072 USING TOEPLITZ MATRIX Initialization time = 5.4206 (avg), 5.4287 (max on processor 0). Beginning Factor Time to xchgpivot = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to do send in bcast pivot = 2.3125 (on proc 16), 2.6293, 2.9697 (on proc 259). Time to do recv in bcast pivot = 53.5049 (on proc 328), 59.6035, 73.0214 (on proc 329). Time to do bcast pivot = 56.3242 (on proc 327), 62.2328, 75.8750 (on proc 329). Time to do send in bcast cur col = 35.2871 (on proc 173), 37.4708, 45.9462 (on proc 314). Time to do recv bcast cur col = 78.2412 (on proc 108), 95.1517, 151.1681 (on proc 27). Time to do bcast cur col = 115.0545 (on proc 108), 132.6224, 192.2334 (on proc 27). Time to do bcast cur col and pivot = 175.7215 (on proc 108), 194.8552, 259.6583 (on proc 31). Time to bcast piv row = 84.5331 (on proc 31), 140.2775, 156.7638 (on proc 108). Time to send cur row = 1.3233 (on proc 139), 1.5036, 2.3418 (on proc 68). Time to recv cur row = 0.2646 (on proc 161), 0.4078, 0.6601 (on proc 349). Total msg passing time = 326.2323 (on proc 328), 337.0442, 348.6513 (on proc 161). Percent msg passing time = 29.9486 (on proc 328), 30.9412, 32.0066 (on proc 161). Time to copy cur col = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to copy cur row to sav row = 1.2197 (on proc 179), 1.6001, 1.9971 (on proc 316). Time to copy piv row to sav piv = 8.8427 (on proc 161), 9.4292, 10.8886 (on proc 0). Time to copy sav row to cur row = 0.7480 (on proc 16), 0.8788, 1.1797 (on proc 310). Time to copy sav piv to piv row = 0.7353 (on proc 157), 0.8642, 1.0771 (on proc 349). Total copying time = 11.9540 (on proc 208), 12.7724, 14.4170 (on proc 0). Percent copying time = 1.0974 (on proc 208), 1.1725, 1.3235 (on proc 0). Time to scale cur col = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to update cur col = 7.5352 (on proc 20), 9.0214, 10.8720 (on proc 349). Time to update piv row = 6.2207 (on proc 334), 7.9658, 9.2002 (on proc 102). Time to update matrix = 704.7285 (on proc 141), 715.1220, 724.9443 (on proc 328). Total update time = 721.3623 (on proc 285), 732.1092, 741.5674 (on proc 328). Percent update time = 66.2213 (on proc 285), 67.2088, 68.0770 (on proc 328). Total time in factor = 1089.1455 (on proc 197), 1089.3051, 1089.7471 (on proc 72). Beginning solve Total run time = 1269.1044 (avg), 1269.6611 (max on processor 234). Time in factor() = 1089.4438 (avg), 1089.8848 (max on processor 72). Time in solve() = 179.6606 (avg), 179.7910 (max on processor 234). MFLOPS per node = 357.716879, total = 125200.907599 MFLOPS per node in factorization = 416.708099, total = 145847.834709 USING TOEPLITZ MATRIX Calling max_all() for gmax_resid Calling max_all() for gmax_x Check error in solution Norm(error,inf) = 5.040389e-06 Norm(resid,inf) = 1.256868e-03 Norm(x,inf) = 1.000005e+00 Norm(A,1) = 1.921969e+09 Norm(A,inf) = 1.921969e+09 Machine epsilon = 2.220446e-16 Size of matrix = 62000 Norm(resid,inf)/(norm(A,inf)*norm(x,inf)) = 6.539449e-13 Norm(error,inf)/norm(x,inf) = 5.040364e-06 n * norm(A,1) * macheps = 2.645930e-02 Solution passes residual check size -r Mbytes MFLOPS LU MFLOPS seconds ---- --- ------ ------------ ---------- ------ 62000 0035 88.887 357.7/125200.9 416.7/145847.8 1269