[root@c-0 test]# yod -sz 572 mplinpack -n 123000 -r 22 -b 40 Contacting node allocation daemon... 572 nodes are allocated to your job ID 109. |[fyod_read_configFile-warning] cplantHost_getNid() failed Awaiting synchronization of compute nodes before beginning user code. Application processes begin user code. Matrix size: 123000 x 123000 Data type is double precision, real Number of right hand sides is 1 Block size is 40 Number of processors: 572 Number of processors used: 572 Processor decomposition is 26 x 22 Using libkmath gemms Memory used (heap): 218467164 USING TOEPLITZ MATRIX Initialization time = 9.1058 (avg), 9.3241 (max on processor 311). Beginning Factor Time to xchgpivot = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to do send in bcast pivot = 2.9730 (on proc 568), 3.4977, 4.9559 (on proc 374). Time to do recv in bcast pivot = 180.9926 (on proc 417), 230.1011, 312.9128 (on proc 89). Time to do bcast pivot = 185.0354 (on proc 417), 233.5988, 316.5711 (on proc 89). Time to do send in bcast cur col = 63.0409 (on proc 498), 68.1814, 147.4432 (on proc 164). Time to do recv bcast cur col = 200.8849 (on proc 222), 265.4223, 335.4977 (on proc 32). Time to do bcast cur col = 266.0791 (on proc 222), 333.6038, 454.2303 (on proc 31). Time to do bcast cur col and pivot = 466.0990 (on proc 222), 567.2026, 681.3609 (on proc 22). Time to bcast piv row = 833.7747 (on proc 31), 948.3121, 1045.6892 (on proc 222). Time to send cur row = 2.4212 (on proc 163), 3.4891, 7.2626 (on proc 378). Time to recv cur row = 0.2061 (on proc 209), 0.4030, 3.0413 (on proc 571). Total msg passing time = 1474.3786 (on proc 417), 1519.4068, 1607.1233 (on proc 89). Percent msg passing time = 31.6546 (on proc 417), 32.6210, 34.5266 (on proc 89). 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 = 2.9486 (on proc 508), 3.6081, 4.0414 (on proc 441). Time to copy piv row to sav piv = 24.8221 (on proc 264), 26.4417, 31.1067 (on proc 206). Time to copy sav row to cur row = 2.4486 (on proc 495), 2.6920, 3.1531 (on proc 199). Time to copy sav piv to piv row = 2.3928 (on proc 505), 2.6276, 3.2184 (on proc 219). Total copying time = 33.3130 (on proc 264), 35.3694, 40.5876 (on proc 206). Percent copying time = 0.7152 (on proc 264), 0.7594, 0.8714 (on proc 206). Time to scale cur col = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to update cur col = 8.6019 (on proc 202), 9.5634, 11.6372 (on proc 569). Time to update piv row = 10.5545 (on proc 213), 11.9588, 13.3267 (on proc 62). Time to update matrix = 2966.0314 (on proc 89), 3054.0549, 3095.5197 (on proc 417). Total update time = 2988.0938 (on proc 89), 3075.5770, 3117.8156 (on proc 417). Percent update time = 64.1946 (on proc 89), 66.0313, 66.9389 (on proc 417). Total time in factor = 4654.7401 (on proc 89), 4657.7594, 4657.9072 (on proc 182). Beginning solve Total run time = 5009.4206 (avg), 5009.5784 (max on processor 182). Time in factor() = 4657.9756 (avg), 4658.1234 (max on processor 182). Time in solve() = 351.4450 (avg), 351.4663 (max on processor 526). MFLOPS per node = 432.963357, total = 247655.040169 MFLOPS per node in factorization = 465.630508, total = 266340.650532 USING TOEPLITZ MATRIX Calling max_all() for gmax_resid Calling max_all() for gmax_x Check error in solution Norm(error,inf) = 2.782330e-11 Norm(resid,inf) = 4.500151e-05 Norm(x,inf) = 1.000000e+00 Norm(A,1) = 7.564438e+09 Norm(A,inf) = 7.564438e+09 Machine epsilon = 2.220446e-16 Size of matrix = 123000 Norm(resid,inf)/(norm(A,inf)*norm(x,inf)) = 5.949088e-15 Norm(error,inf)/norm(x,inf) = 2.782330e-11 n * norm(A,1) * macheps = 2.065961e-01 Solution passes residual check size -r Mbytes MFLOPS LU MFLOPS seconds ---- --- ------ ------------ ---------- ------ 123000 0022 208.347 433.0/247655.0 465.6/266340.7 5009