Initializing AMReX (26.08-27-g28ba7777ca50)... Initializing CUDA... CUDA initialized with 1 device. AMReX (26.08-27-g28ba7777ca50) initialized Starting run at 07:45:54 UTC on 2026-08-25. Successfully read inputs file ... Castro git describe: 26.08-5-g2df268cd1 AMReX git describe: 26.08-27-g28ba7777c Microphysics git describe: 26.08-13-g5ff9065d 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 = 0.036120044 secs. PLOTFILE: file = dustcollapse-restart_plt00000 Write plotfile time = 0.019267217 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: 0.045987687 [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: 0.042806966 [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: 0.051262096 [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: 0.058393998 [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: 0.062209404 [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 = 0.045637614 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: 0.051683523 [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: 0.061878813 [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: 0.056946418 [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: 0.058151411 [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: 0.063866243 [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 = 0.034950464 secs. PLOTFILE: file = dustcollapse-restart_plt00010 Write plotfile time = 0.018979848 seconds Ending run at 07:45:55 UTC on 2026-08-25. Run time = 0.746388311 Run time without initialization = 0.653356354 Average number of zones advanced per microsecond: 4.012 Average number of zones advanced per microsecond per rank: 4.012 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): 2536 [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 (26.08-27-g28ba7777ca50) finalized Initializing AMReX (26.08-27-g28ba7777ca50)... Initializing CUDA... CUDA initialized with 1 device. AMReX (26.08-27-g28ba7777ca50) initialized Starting run at 07:45:56 UTC on 2026-08-25. Successfully read inputs file ... Castro git describe: 26.08-5-g2df268cd1 AMReX git describe: 26.08-27-g28ba7777c Microphysics git describe: 26.08-13-g5ff9065d reading extern runtime parameters ... 3 Species: C12 O16 Mg24 restarting calculation from file: dustcollapse-restart_chk00005 Successfully read inputs file ... read CPU time: 0.387917585 Restart time = 0.066991898 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: 0.045597805 [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: 0.039370142 [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: 0.040139031 [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: 0.040528156 [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: 0.055328314 [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 = 0.019891922 seconds Ending run at 07:45:56 UTC on 2026-08-25. Run time = 0.308740853 Run time without initialization = 0.241193359 Average number of zones advanced per microsecond: 5.434 Average number of zones advanced per microsecond per rank: 5.434 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): 2536 [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 (26.08-27-g28ba7777ca50) finalized