Initializing AMReX (25.04-13-gd3540b92d574)... Initializing CUDA... CUDA initialized with 1 device. AMReX (25.04-13-gd3540b92d574) initialized Starting run at 07:51:18 UTC on 2025-04-14. Successfully read inputs file ... Castro git describe: 25.04-7-g5d64e9801 AMReX git describe: 25.04-13-gd3540b92d Microphysics git describe: 25.04-1-g59d2f09f reading extern runtime parameters ... 13 Species: He4 C12 O16 Ne20 Mg24 Si28 S32 Ar36 Ca40 Ti44 Cr48 Fe52 Ni56 Successfully read inputs file ... Creating primary with CO core with mass fractions C = 0.4and O = 0.6 and a He shell of solar mass =0. Creating secondary with CO core with mass fractions C = 0.4and O = 0.6 and a He shell of solar mass =0. Generated initial model for primary WD of mass 0.9 solar masses, central density 1.574e+07 g cm**-3, and radius 6.747e+08 cm. Generated initial model for secondary WD of mass 0.9 solar masses, central density 1.574e+07 g cm**-3, and radius 6.747e+08 cm. Generated binary orbit of distance 1.781e+09 cm = 1.190e-04 AU. The primary orbits the center of mass at distance -8.903e+08 cm = -5.951e-05 AU. The secondary orbits the center of mass at distance 8.903e+08 cm = 5.951e-05 AU. The initial orbital period is 30.543687 s. The initial orbital speed of the primary is -1.831e+08 cm/s. The initial orbital speed of the secondary is 1.831e+08 cm/s. Castro::numpts_1d at level 0 is 174 Setting the gravity type to PoissonGrav Initializing the data at level 0 Done initializing the level 0 data ...estimated hydro-limited timestep at level 0: 0.05426072637 ...hydro-limited CFL timestep constrained at (i,j,k) = (0,0,0) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.05426072637 grid_places() time: 0.003259239 new finest: 0 Now regridding at level lbase = 0 grid_places() time: 0.001702456 new finest: 0 STEP = 0 TIME = 0 : REGRID with lbase = 0 Gravity::fill_multipole_BCs() time = 0.010722546 Gravity::multilevel_solve_for_new_phi() time = 0.05267109 INITIAL GRIDS Level 0 27 grids 884736 cells 100 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 PLOTFILE: file = wdmerger_3D_plt00000 Write plotfile time = 0.143051386 seconds ...estimated hydro-limited timestep at level 0: 0.05426072637 ...hydro-limited CFL timestep constrained at (i,j,k) = (0,0,0) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.05426072637 [Level 0 step 1] ADVANCE at time 0 with dt = 0.005426072637 [1m[32m Beginning subcycle 1 starting at time 0 with dt = 0.005426072637[0m Estimated number of subcycles remaining: 1 Castro::construct_old_gravity() time = 0.003464614 on level 0 Castro::do_old_sources() time = 0.007737577 on level 0 ... Entering construct_ctu_hydro_source() on level 0 ... Leaving construct_ctu_hydro_source() on level 0 Castro::construct_ctu_hydro_source() time = 0.162236326 on level 0 ... new-time composite Poisson gravity solve from level 0 to level 0 Gravity::fill_multipole_BCs() time = 0.008035935 Gravity::multilevel_solve_for_new_phi() time = 0.040193554 Castro::construct_new_gravity() time = 0.043645366 on level 0 Castro::do_new_sources() time = 0.006539436 on level 0 [1m[32m Subcycle completed[0m Subcycling complete Zones advanced per microsecond at this level: 3.606084975 [Level 0 step 1] Advanced 884736 cells Updating the rotational period from 30.54368673 s to 30.46017574 s. [STEP 1] Coarse TimeStep time: 0.259066557 [STEP 1] FAB kilobyte spread across MPI nodes: [1714682 ... 1714682] STEP = 1 TIME = 0.005426072637 DT = 0.005426072637 ...estimated hydro-limited timestep at level 0: 0.05461684804 ...hydro-limited CFL timestep constrained at (i,j,k) = (0,29,94) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.05461684804 Castro::compute_new_dt : limiting dt at level 0 ... new dt computed: 0.05461684804 ... but limiting to: 0.0059686799 = 1.1 * 0.005426072637 Now regridding at level lbase = 0 grid_places() time: 0.003495433 new finest: 1 Castro::numpts_1d at level 1 is 340 Gravity::fill_multipole_BCs() time = 0.009079018 Gravity::multilevel_solve_for_new_phi() time = 0.057363437 STEP = 1 TIME = 0.005426072637 : REGRID with lbase = 0 Level 1 2 grids 65536 cells 0.9259259259 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 ...estimated hydro-limited timestep at level 0: 0.05461684804 ...hydro-limited CFL timestep constrained at (i,j,k) = (0,29,94) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.05461684804 ...estimated hydro-limited timestep at level 1: 2.526135647e-09 ...hydro-limited CFL timestep constrained at (i,j,k) = (104,88,99) Castro::estTimeStep (hydro-limited) at level 1: estdt = 2.526135647e-09 [Level 0 step 2] ADVANCE at time 0.005426072637 with dt = 2.526135647e-09 [1m[32m Beginning subcycle 1 starting at time 0.005426072637 with dt = 2.526135647e-09[0m Estimated number of subcycles remaining: 1 Castro::construct_old_gravity() time = 0.003307536 on level 0 Castro::do_old_sources() time = 0.009587462 on level 0 ... Entering construct_ctu_hydro_source() on level 0 ... Leaving construct_ctu_hydro_source() on level 0 Castro::construct_ctu_hydro_source() time = 0.143259034 on level 0 Castro::construct_old_gravity() time = 0.000366074 on level 1 Castro::do_old_sources() time = 0.001248153 on level 1 ... Entering construct_ctu_hydro_source() on level 1 ... Leaving construct_ctu_hydro_source() on level 1 Castro::construct_ctu_hydro_source() time = 0.014042214 on level 1 Castro::reflux() at level 0 : time = 0.01632997 ... new-time composite Poisson gravity solve from level 0 to level 1 Gravity::fill_multipole_BCs() time = 0.008893969 Gravity::multilevel_solve_for_new_phi() time = 0.040237837 Castro::construct_new_gravity() time = 0.043835435 on level 0 Castro::do_new_sources() time = 0.005267931 on level 0 Castro::construct_new_gravity() time = 0.000367902 on level 1 Castro::do_new_sources() time = 0.002114495 on level 1 [1m[32m Subcycle completed[0m Subcycling complete Zones advanced per microsecond from level 0 to level 1: 3.44222656 [Level 0 step 2] Advanced 884736 cells [Level 1 step 2] ADVANCE at time 0.005426072637 with dt = 2.526135647e-09 Advance at this level has already been completed. [Level 1 step 2] Advanced 65536 cells Updating the rotational period from 30.46017574 s to 30.52759479 s. [STEP 2] Coarse TimeStep time: 0.364316406 [STEP 2] FAB kilobyte spread across MPI nodes: [2288229 ... 2288229] STEP = 2 TIME = 0.005426075163 DT = 2.526135647e-09 ...estimated hydro-limited timestep at level 0: 0.0008044208529 ...hydro-limited CFL timestep constrained at (i,j,k) = (37,49,42) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.0008044208529 ...estimated hydro-limited timestep at level 1: 6.697001619e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 6.697001619e-07 Castro::compute_new_dt : limiting dt at level 0 ... new dt computed: 0.0008044208529 ... but limiting to: 2.778749212e-09 = 1.1 * 2.526135647e-09 Castro::compute_new_dt : limiting dt at level 1 ... new dt computed: 6.697001619e-07 ... but limiting to: 2.778749212e-09 = 1.1 * 2.526135647e-09 Now regridding at level lbase = 0 grid_places() time: 0.001977597 new finest: 1 Castro::numpts_1d at level 1 is 340 Gravity::fill_multipole_BCs() time = 0.008665114 Gravity::multilevel_solve_for_new_phi() time = 0.016261141 STEP = 2 TIME = 0.005426075163 : REGRID with lbase = 0 Level 1 2 grids 65536 cells 0.9259259259 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 ...estimated hydro-limited timestep at level 0: 0.0008044208529 ...hydro-limited CFL timestep constrained at (i,j,k) = (37,49,42) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.0008044208529 ...estimated hydro-limited timestep at level 1: 6.697001619e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 6.697001619e-07 [Level 0 step 3] ADVANCE at time 0.005426075163 with dt = 2.778749212e-09 [1m[32m Beginning subcycle 1 starting at time 0.005426075163 with dt = 2.778749212e-09[0m Estimated number of subcycles remaining: 1 Castro::construct_old_gravity() time = 0.003327054 on level 0 Castro::do_old_sources() time = 0.005265577 on level 0 ... Entering construct_ctu_hydro_source() on level 0 ... Leaving construct_ctu_hydro_source() on level 0 Castro::construct_ctu_hydro_source() time = 0.162005919 on level 0 Castro::construct_old_gravity() time = 0.00032575 on level 1 Castro::do_old_sources() time = 0.001314119 on level 1 ... Entering construct_ctu_hydro_source() on level 1 ... Leaving construct_ctu_hydro_source() on level 1 Castro::construct_ctu_hydro_source() time = 0.010011826 on level 1 Castro::reflux() at level 0 : time = 0.016294745 ... new-time composite Poisson gravity solve from level 0 to level 1 Gravity::fill_multipole_BCs() time = 0.00873826 Gravity::multilevel_solve_for_new_phi() time = 0.028845798 Castro::construct_new_gravity() time = 0.032323984 on level 0 Castro::do_new_sources() time = 0.005527981 on level 0 Castro::construct_new_gravity() time = 0.000371366 on level 1 Castro::do_new_sources() time = 0.002297262 on level 1 [1m[32m Subcycle completed[0m Subcycling complete Zones advanced per microsecond from level 0 to level 1: 3.596724284 [Level 0 step 3] Advanced 884736 cells [Level 1 step 3] ADVANCE at time 0.005426075163 with dt = 2.778749212e-09 Advance at this level has already been completed. [Level 1 step 3] Advanced 65536 cells Updating the rotational period from 30.52759479 s to 30.52761298 s. [STEP 3] Coarse TimeStep time: 0.301828791 [STEP 3] FAB kilobyte spread across MPI nodes: [2288229 ... 2288229] STEP = 3 TIME = 0.005426077942 DT = 2.778749212e-09 ...estimated hydro-limited timestep at level 0: 0.000804308035 ...hydro-limited CFL timestep constrained at (i,j,k) = (37,49,42) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.000804308035 ...estimated hydro-limited timestep at level 1: 6.965184638e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 6.965184638e-07 Castro::compute_new_dt : limiting dt at level 0 ... new dt computed: 0.000804308035 ... but limiting to: 3.056624133e-09 = 1.1 * 2.778749212e-09 Castro::compute_new_dt : limiting dt at level 1 ... new dt computed: 6.965184638e-07 ... but limiting to: 3.056624133e-09 = 1.1 * 2.778749212e-09 Now regridding at level lbase = 0 grid_places() time: 0.001929865 new finest: 1 Castro::numpts_1d at level 1 is 340 Gravity::fill_multipole_BCs() time = 0.008713737 Gravity::multilevel_solve_for_new_phi() time = 0.016459896 STEP = 3 TIME = 0.005426077942 : REGRID with lbase = 0 Level 1 2 grids 65536 cells 0.9259259259 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 ...estimated hydro-limited timestep at level 0: 0.000804308035 ...hydro-limited CFL timestep constrained at (i,j,k) = (37,49,42) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.000804308035 ...estimated hydro-limited timestep at level 1: 6.965184638e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 6.965184638e-07 [Level 0 step 4] ADVANCE at time 0.005426077942 with dt = 3.056624133e-09 [1m[32m Beginning subcycle 1 starting at time 0.005426077942 with dt = 3.056624133e-09[0m Estimated number of subcycles remaining: 1 Castro::construct_old_gravity() time = 0.003496076 on level 0 Castro::do_old_sources() time = 0.005712636 on level 0 ... Entering construct_ctu_hydro_source() on level 0 ... Leaving construct_ctu_hydro_source() on level 0 Castro::construct_ctu_hydro_source() time = 0.164377662 on level 0 Castro::construct_old_gravity() time = 0.000335399 on level 1 Castro::do_old_sources() time = 0.001766973 on level 1 ... Entering construct_ctu_hydro_source() on level 1 ... Leaving construct_ctu_hydro_source() on level 1 Castro::construct_ctu_hydro_source() time = 0.00707498 on level 1 Castro::reflux() at level 0 : time = 0.015581243 ... new-time composite Poisson gravity solve from level 0 to level 1 Gravity::fill_multipole_BCs() time = 0.00896237 Gravity::multilevel_solve_for_new_phi() time = 0.029226763 Castro::construct_new_gravity() time = 0.032757705 on level 0 Castro::do_new_sources() time = 0.005444575 on level 0 Castro::construct_new_gravity() time = 0.000377778 on level 1 Castro::do_new_sources() time = 0.002295432 on level 1 [1m[32m Subcycle completed[0m Subcycling complete Zones advanced per microsecond from level 0 to level 1: 3.591282721 [Level 0 step 4] Advanced 884736 cells [Level 1 step 4] ADVANCE at time 0.005426077942 with dt = 3.056624133e-09 Advance at this level has already been completed. [Level 1 step 4] Advanced 65536 cells Updating the rotational period from 30.52761298 s to 30.52761297 s. [STEP 4] Coarse TimeStep time: 0.300257894 [STEP 4] FAB kilobyte spread across MPI nodes: [2288229 ... 2288229] STEP = 4 TIME = 0.005426080998 DT = 3.056624133e-09 ...estimated hydro-limited timestep at level 0: 0.0002497928903 ...hydro-limited CFL timestep constrained at (i,j,k) = (57,41,46) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.0002497928903 ...estimated hydro-limited timestep at level 1: 7.255166705e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 7.255166705e-07 Castro::compute_new_dt : limiting dt at level 0 ... new dt computed: 0.0002497928903 ... but limiting to: 3.362286546e-09 = 1.1 * 3.056624133e-09 Castro::compute_new_dt : limiting dt at level 1 ... new dt computed: 7.255166705e-07 ... but limiting to: 3.362286546e-09 = 1.1 * 3.056624133e-09 Now regridding at level lbase = 0 grid_places() time: 0.001988764 new finest: 1 Castro::numpts_1d at level 1 is 340 Gravity::fill_multipole_BCs() time = 0.008694917 Gravity::multilevel_solve_for_new_phi() time = 0.016475526 STEP = 4 TIME = 0.005426080998 : REGRID with lbase = 0 Level 1 2 grids 65536 cells 0.9259259259 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 ...estimated hydro-limited timestep at level 0: 0.0002497928903 ...hydro-limited CFL timestep constrained at (i,j,k) = (57,41,46) Castro::estTimeStep (hydro-limited) at level 0: estdt = 0.0002497928903 ...estimated hydro-limited timestep at level 1: 7.255166705e-07 ...hydro-limited CFL timestep constrained at (i,j,k) = (121,90,90) Castro::estTimeStep (hydro-limited) at level 1: estdt = 7.255166705e-07 [Level 0 step 5] ADVANCE at time 0.005426080998 with dt = 3.362286546e-09 [1m[32m Beginning subcycle 1 starting at time 0.005426080998 with dt = 3.362286546e-09[0m Estimated number of subcycles remaining: 1 Castro::construct_old_gravity() time = 0.003362096 on level 0 Castro::do_old_sources() time = 0.006030928 on level 0 ... Entering construct_ctu_hydro_source() on level 0 ... Leaving construct_ctu_hydro_source() on level 0 Castro::construct_ctu_hydro_source() time = 0.173229951 on level 0 Castro::construct_old_gravity() time = 0.000353769 on level 1 Castro::do_old_sources() time = 0.001920596 on level 1 ... Entering construct_ctu_hydro_source() on level 1 ... Leaving construct_ctu_hydro_source() on level 1 Castro::construct_ctu_hydro_source() time = 0.006959522 on level 1 Castro::reflux() at level 0 : time = 0.015761045 ... new-time composite Poisson gravity solve from level 0 to level 1 Gravity::fill_multipole_BCs() time = 0.00903662 Gravity::multilevel_solve_for_new_phi() time = 0.029380273 Castro::construct_new_gravity() time = 0.032991952 on level 0 Castro::do_new_sources() time = 0.005291787 on level 0 Castro::construct_new_gravity() time = 0.000397897 on level 1 Castro::do_new_sources() time = 0.00223515 on level 1 [1m[32m Subcycle completed[0m Subcycling complete Zones advanced per microsecond from level 0 to level 1: 3.495134637 [Level 0 step 5] Advanced 884736 cells [Level 1 step 5] ADVANCE at time 0.005426080998 with dt = 3.362286546e-09 Advance at this level has already been completed. [Level 1 step 5] Advanced 65536 cells Updating the rotational period from 30.52761297 s to 30.52761296 s. [STEP 5] Coarse TimeStep time: 0.310976287 [STEP 5] FAB kilobyte spread across MPI nodes: [2288229 ... 2288229] STEP = 5 TIME = 0.005426084361 DT = 3.362286546e-09 PLOTFILE: file = wdmerger_3D_plt00005 Write plotfile time = 0.150211272 seconds Ending run at 07:51:22 UTC on 2025-04-14. Run time = 3.163650497 Run time without initialization = 1.687420744 Average number of zones advanced per microsecond: 2.932 Average number of zones advanced per microsecond per rank: 2.932 CPU(0): Heap Space (bytes) used by Coalescing FAB Arena: 9476456448 Unused ParmParse Variables: [TOP]::mg.v(nvals = 1) :: [2] Total GPU global memory (MB): 12049 Free GPU global memory (MB): 1868 [The Arena] space allocated (MB): 9037 [The Arena] space used (MB): 0 [The Managed Arena] space allocated (MB): 8 [The Managed Arena] space used (MB): 0 [The Pinned Arena] space allocated (MB): 8 [The Pinned Arena] space used (MB): 0 AMReX (25.04-13-gd3540b92d574) finalized