2026-09-29-003 / Poiseuille

Build/Test information:
- Build directory: Exec/run3d/
- Parallel run
  - MPI numprocs = 2
- Files:
  - input file: regtest.3d.poiseuille
- Dimensionality: 3
Compilation:
- Successful
- Compilation time: 9.326 s
- Compilation command:
  make -j8 AMREX_HOME=/home/regtester/git/amrex/ DEBUG=FALSE USE_ACC=FALSE USE_MPI=TRUE USE_OMP=FALSE DIM=3 COMP=g++ TEST=TRUE USE_ASSERTION=TRUE USE_CUDA=TRUE
- make output
Execution:
- Execution time: 77.257 s
- 5 run average: 77.254 s
- Relative performance: 0.0% slower
- Execution command:
  mpiexec -n 2 ./amr3d.gnu.TEST.MPI.CUDA.ex regtest.3d.poiseuille amr.plot_file=Poiseuille_plt amr.check_file=Poiseuille_chk amr.checkpoint_files_output=0 amrex.the_arena_init_size=512000000
- execution output
- execution stderr
- job_info
Comparison:
- Successful

/home/regtester/git/amrex/Tools/Plotfile//fcompare.gnu.ex --abort_if_not_all_found -n 0 --rel_tol 9e-09 /home/regtester/RegTesting/rt-IAMR/IAMR-benchmarks/Poiseuille_plt00010 Poiseuille_plt00010

variable name absolute error relative error

(||A - B||) (||A - B||/||A||)

level = 0

x_velocity 3.708588991e-12 2.49687948e-12

y_velocity 3.150910088e-12 9.893203784e-12

z_velocity 3.558373946e-12 1.098194947e-09

density 1.110223025e-15 1.110223025e-15

tracer 1.909583602e-13 1.96930315e-13

tracer2 6.578071421e-13 6.7298982e-13

gradpx 1.550890971e-09 1.138156067e-11

gradpy 3.182906383e-09 2.731811453e-11

gradpz 2.059797888e-09 4.147829048e-10

level = 1

x_velocity 3.788303005e-12 2.552552215e-12

y_velocity 3.874039978e-12 1.44543222e-11

z_velocity 4.064610573e-12 7.535281836e-10

density 1.887379142e-15 1.887379142e-15

tracer 4.285460875e-13 4.284191613e-13

tracer2 8.432143872e-13 8.446016017e-13

gradpx 2.070425609e-09 1.319356604e-10

gradpy 4.48244819e-09 7.333140867e-11

gradpz 3.435763674e-09 3.971474402e-10

level = 2

x_velocity 3.852473895e-12 2.671794607e-12

y_velocity 3.956793226e-12 2.62611315e-11

z_velocity 4.18547098e-12 2.513968992e-09

density 2.664535259e-15 2.664535259e-15

tracer 9.225953335e-13 9.220046565e-13

tracer2 9.832135106e-13 9.831656221e-13

gradpx 3.470404408e-09 2.479874826e-10

gradpy 5.344077181e-09 2.578832872e-10

gradpz 4.436003564e-09 4.418414059e-10

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	3.708588991e-12	2.49687948e-12
y_velocity	3.150910088e-12	9.893203784e-12
z_velocity	3.558373946e-12	1.098194947e-09
density	1.110223025e-15	1.110223025e-15
tracer	1.909583602e-13	1.96930315e-13
tracer2	6.578071421e-13	6.7298982e-13
gradpx	1.550890971e-09	1.138156067e-11
gradpy	3.182906383e-09	2.731811453e-11
gradpz	2.059797888e-09	4.147829048e-10
level = 1
x_velocity	3.788303005e-12	2.552552215e-12
y_velocity	3.874039978e-12	1.44543222e-11
z_velocity	4.064610573e-12	7.535281836e-10
density	1.887379142e-15	1.887379142e-15
tracer	4.285460875e-13	4.284191613e-13
tracer2	8.432143872e-13	8.446016017e-13
gradpx	2.070425609e-09	1.319356604e-10
gradpy	4.48244819e-09	7.333140867e-11
gradpz	3.435763674e-09	3.971474402e-10
level = 2
x_velocity	3.852473895e-12	2.671794607e-12
y_velocity	3.956793226e-12	2.62611315e-11
z_velocity	4.18547098e-12	2.513968992e-09
density	2.664535259e-15	2.664535259e-15
tracer	9.225953335e-13	9.220046565e-13
tracer2	9.832135106e-13	9.831656221e-13
gradpx	3.470404408e-09	2.479874826e-10
gradpy	5.344077181e-09	2.578832872e-10
gradpz	4.436003564e-09	4.418414059e-10

2026-09-29-003 / Poiseuille

Successful

Successful