Initializing AMReX (26.03-107-g112b2d362859)... Initializing CUDA... CUDA initialized with 1 device. AMReX (26.03-107-g112b2d362859) initialized Starting run at 07:43:58 UTC on 2026-03-30. Successfully read inputs file ... Castro git describe: 26.03-32-g1f44b02a5 AMReX git describe: 26.03-107-g112b2d362 Microphysics git describe: 26.03-15-g0f912491 reading extern runtime parameters ... 3 Species: C12 O16 Mg24 Successfully read inputs file ... INITIAL GRIDS Level 0 8 grids 262144 cells 100 % of domain smallest grid: 32 x 32 x 32 biggest grid: 32 x 32 x 32 CHECKPOINT: file = dustcollapse-restart_chk00000 checkPoint() time = 0.046710618 secs. PLOTFILE: file = dustcollapse-restart_plt00000 Write plotfile time = 0.025964964 seconds [Level 0 step 1] ADVANCE at time 0 with dt = 4.541742215e-05 [Level 0 step 1] Advanced 262144 cells [STEP 1] Coarse TimeStep time: 0.04421732 [STEP 1] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 1 TIME = 4.541742215e-05 DT = 4.541742215e-05 [Level 0 step 2] ADVANCE at time 4.541742215e-05 with dt = 4.768829326e-05 [Level 0 step 2] Advanced 262144 cells [STEP 2] Coarse TimeStep time: 0.042852791 [STEP 2] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 2 TIME = 9.31057154e-05 DT = 4.768829326e-05 [Level 0 step 3] ADVANCE at time 9.31057154e-05 with dt = 5.007270792e-05 [Level 0 step 3] Advanced 262144 cells [STEP 3] Coarse TimeStep time: 0.062717232 [STEP 3] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 3 TIME = 0.0001431784233 DT = 5.007270792e-05 [Level 0 step 4] ADVANCE at time 0.0001431784233 with dt = 5.257634331e-05 [Level 0 step 4] Advanced 262144 cells [STEP 4] Coarse TimeStep time: 0.066176298 [STEP 4] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 4 TIME = 0.0001957547666 DT = 5.257634331e-05 [Level 0 step 5] ADVANCE at time 0.0001957547666 with dt = 5.520516048e-05 [Level 0 step 5] Advanced 262144 cells [STEP 5] Coarse TimeStep time: 0.061272661 [STEP 5] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 5 TIME = 0.0002509599271 DT = 5.520516048e-05 CHECKPOINT: file = dustcollapse-restart_chk00005 checkPoint() time = 0.051637539 secs. [Level 0 step 6] ADVANCE at time 0.0002509599271 with dt = 5.79654185e-05 [Level 0 step 6] Advanced 262144 cells [STEP 6] Coarse TimeStep time: 0.0526749 [STEP 6] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 6 TIME = 0.0003089253456 DT = 5.79654185e-05 [Level 0 step 7] ADVANCE at time 0.0003089253456 with dt = 6.086368943e-05 [Level 0 step 7] Advanced 262144 cells [STEP 7] Coarse TimeStep time: 0.054616601 [STEP 7] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 7 TIME = 0.000369789035 DT = 6.086368943e-05 [Level 0 step 8] ADVANCE at time 0.000369789035 with dt = 6.39068739e-05 [Level 0 step 8] Advanced 262144 cells [STEP 8] Coarse TimeStep time: 0.06457952 [STEP 8] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 8 TIME = 0.000433695909 DT = 6.39068739e-05 [Level 0 step 9] ADVANCE at time 0.000433695909 with dt = 6.71022176e-05 [Level 0 step 9] Advanced 262144 cells [STEP 9] Coarse TimeStep time: 0.064117004 [STEP 9] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 9 TIME = 0.0005007981265 DT = 6.71022176e-05 [Level 0 step 10] ADVANCE at time 0.0005007981265 with dt = 7.045732848e-05 [Level 0 step 10] Advanced 262144 cells [STEP 10] Coarse TimeStep time: 0.057202539 [STEP 10] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 10 TIME = 0.000571255455 DT = 7.045732848e-05 CHECKPOINT: file = dustcollapse-restart_chk00010 checkPoint() time = 0.045099252 secs. PLOTFILE: file = dustcollapse-restart_plt00010 Write plotfile time = 0.025562765 seconds Ending run at 07:43:59 UTC on 2026-03-30. Run time = 0.80561067 Run time without initialization = 0.693335482 Average number of zones advanced per microsecond: 3.781 Average number of zones advanced per microsecond per rank: 3.781 CPU(0): Heap Space (bytes) used by Coalescing FAB Arena: 9476456448 Unused ParmParse Variables: [TOP]::amr.ref_ratio(nvals = 4) :: [2, 2, 2, 2] [TOP]::amr.regrid_int(nvals = 4) :: [2, 2, 2, 2] Total GPU global memory (MB): 12049 Free GPU global memory (MB): 2538 [The Arena] max space allocated (MB): 9037 [The Arena] max space used (MB): 995 [The Managed Arena] max space allocated (MB): 8 [The Managed Arena] max space used (MB): 0 [The Pinned Arena] max space allocated (MB): 8 [The Pinned Arena] max space used (MB): 3 AMReX (26.03-107-g112b2d362859) finalized Initializing AMReX (26.03-107-g112b2d362859)... Initializing CUDA... CUDA initialized with 1 device. AMReX (26.03-107-g112b2d362859) initialized Starting run at 07:44:00 UTC on 2026-03-30. Successfully read inputs file ... Castro git describe: 26.03-32-g1f44b02a5 AMReX git describe: 26.03-107-g112b2d362 Microphysics git describe: 26.03-15-g0f912491 reading extern runtime parameters ... 3 Species: C12 O16 Mg24 restarting calculation from file: dustcollapse-restart_chk00005 Successfully read inputs file ... read CPU time: 0.44119195 Restart time = 0.074769727 seconds. [Level 0 step 6] ADVANCE at time 0.0002509599271 with dt = 5.79654185e-05 [Level 0 step 6] Advanced 262144 cells [STEP 6] Coarse TimeStep time: 0.047717259 [STEP 6] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 6 TIME = 0.0003089253456 DT = 5.79654185e-05 [Level 0 step 7] ADVANCE at time 0.0003089253456 with dt = 6.086368943e-05 [Level 0 step 7] Advanced 262144 cells [STEP 7] Coarse TimeStep time: 0.05034097 [STEP 7] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 7 TIME = 0.000369789035 DT = 6.086368943e-05 [Level 0 step 8] ADVANCE at time 0.000369789035 with dt = 6.39068739e-05 [Level 0 step 8] Advanced 262144 cells [STEP 8] Coarse TimeStep time: 0.061401146 [STEP 8] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 8 TIME = 0.000433695909 DT = 6.39068739e-05 [Level 0 step 9] ADVANCE at time 0.000433695909 with dt = 6.71022176e-05 [Level 0 step 9] Advanced 262144 cells [STEP 9] Coarse TimeStep time: 0.068672115 [STEP 9] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 9 TIME = 0.0005007981265 DT = 6.71022176e-05 [Level 0 step 10] ADVANCE at time 0.0005007981265 with dt = 7.045732848e-05 [Level 0 step 10] Advanced 262144 cells [STEP 10] Coarse TimeStep time: 0.064792293 [STEP 10] FAB kilobyte spread across MPI nodes: [368280 ... 368280] STEP = 10 TIME = 0.000571255455 DT = 7.045732848e-05 PLOTFILE: file = dustcollapse-restart_plt00010 Write plotfile time = 0.02665194 seconds Ending run at 07:44:00 UTC on 2026-03-30. Run time = 0.395306967 Run time without initialization = 0.319940725 Average number of zones advanced per microsecond: 4.097 Average number of zones advanced per microsecond per rank: 4.097 CPU(0): Heap Space (bytes) used by Coalescing FAB Arena: 9476456448 Unused ParmParse Variables: [TOP]::amr.ref_ratio(nvals = 4) :: [2, 2, 2, 2] [TOP]::amr.regrid_int(nvals = 4) :: [2, 2, 2, 2] Total GPU global memory (MB): 12049 Free GPU global memory (MB): 2538 [The Arena] max space allocated (MB): 9037 [The Arena] max space used (MB): 995 [The Managed Arena] max space allocated (MB): 8 [The Managed Arena] max space used (MB): 0 [The Pinned Arena] max space allocated (MB): 8 [The Pinned Arena] max space used (MB): 3 AMReX (26.03-107-g112b2d362859) finalized