[root@c-0 /root]# yod -sz 580 mplinpack -b 40 -r 20 -n 110000 Contacting node allocation daemon... 580 nodes are allocated to your job ID 112. |[fyod_read_configFile-warning] cplantHost_getNid() failed Awaiting synchronization of compute nodes before beginning user code. Application processes begin user code. Matrix size: 110000 x 110000 Data type is double precision, real Number of right hand sides is 1 Block size is 40 Number of processors: 580 Number of processors used: 580 Processor decomposition is 29 x 20 Using libkmath gemms Memory used (heap): 173112768 USING TOEPLITZ MATRIX Initialization time = 7.2485 (avg), 8.1681 (max on processor 160). Beginning Factor Time to xchgpivot = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to do send in bcast pivot = 2.5730 (on proc 560), 3.0403, 3.8179 (on proc 171). Time to do recv in bcast pivot = 170.0441 (on proc 479), 244.8876, 337.2866 (on proc 171). Time to do bcast pivot = 173.3731 (on proc 479), 247.9279, 341.1045 (on proc 171). Time to do send in bcast cur col = 36.6566 (on proc 538), 48.0821, 109.3578 (on proc 179). Time to do recv bcast cur col = 130.2241 (on proc 148), 182.6715, 249.9723 (on proc 282). Time to do bcast cur col = 178.6187 (on proc 551), 230.7536, 321.0364 (on proc 461). Time to do bcast cur col and pivot = 409.1264 (on proc 148), 478.6815, 602.9148 (on proc 461). Time to bcast piv row = 735.9524 (on proc 461), 854.0250, 918.8236 (on proc 537) . Time to send cur row = 0.0000 (on proc 20), 2.6818, 7.1859 (on proc 47). Time to recv cur row = 0.0012 (on proc 36), 0.4555, 2.4597 (on proc 277). Total msg passing time = 1266.4687 (on proc 455), 1335.8437, 1393.2333 (on proc 89). Percent msg passing time = 35.6233 (on proc 455), 37.5744, 39.2141 (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 = 2.4897 (on proc 323), 2.8915, 3.3448 (on proc 170). Time to copy piv row to sav piv = 22.1694 (on proc 501), 23.5743, 26.6966 (on proc 479). Time to copy sav row to cur row = 1.8668 (on proc 541), 2.0826, 2.4950 (on proc 170). Time to copy sav piv to piv row = 1.8489 (on proc 535), 2.0289, 2.4198 (on proc 170). Total copying time = 28.9427 (on proc 501), 30.5773, 33.7681 (on proc 479). Percent copying time = 0.8141 (on proc 501), 0.8601, 0.9498 (on proc 479). Time to scale cur col = 0.0000 (on proc 0), 0.0000, 0.0000 (on proc 0). Time to update cur col = 4.4956 (on proc 20), 7.6439, 10.9761 (on proc 479). Time to update piv row = 8.2838 (on proc 39), 9.6027, 10.4344 (on proc 170). Time to update matrix = 2090.5938 (on proc 89), 2147.2686, 2216.7226 (on proc 455). Total update time = 2107.6192 (on proc 89), 2164.5152, 2235.9125 (on proc 455). Percent update time = 59.3213 (on proc 89), 60.8831, 62.8919 (on proc 455). Total time in factor = 3552.8878 (on proc 89), 3555.1981, 3555.3111 (on proc 523). Beginning solve Total run time = 3813.4047 (avg), 3813.5325 (max on processor 181). Time in factor() = 3555.4076 (avg), 3555.5222 (max on processor 523). Time in solve() = 257.9971 (avg), 258.0111 (max on processor 181). MFLOPS per node = 401.197072, total = 232694.301732 MFLOPS per node in factorization = 430.309818, total = 249579.694540 USING TOEPLITZ MATRIX Calling max_all() for gmax_resid Calling max_all() for gmax_x Check error in solution Norm(error,inf) = 3.069456e-11 Norm(resid,inf) = 4.196167e-05 Norm(x,inf) = 1.000000e+00 Norm(A,1) = 6.049945e+09 Norm(A,inf) = 6.049945e+09 Machine epsilon = 2.220446e-16 Size of matrix = 110000 Norm(resid,inf)/(norm(A,inf)*norm(x,inf)) = 6.935876e-15 Norm(error,inf)/norm(x,inf) = 3.069456e-11 n * norm(A,1) * macheps = 1.477693e-01 Solution passes residual check size -r Mbytes MFLOPS LU MFLOPS seconds ---- --- ------ ------------ ---------- ------ 110000 0020 165.093 401.2/232694.3 430.3/249579.7 3813