2026-05-11 / HotSpot-2d

Build/Test information:
- Build directory: Exec/run2d/
- Parallel run
  - MPI numprocs = 2
- Files:
  - input file: regtest.2d.hotspot
- Dimensionality: 2
Compilation:
- Successful
- Compilation time: 8.937 s
- Compilation command:
  make -j8 AMREX_HOME=/home/regtester/git/amrex/ DEBUG=FALSE USE_ACC=FALSE USE_MPI=TRUE USE_OMP=FALSE DIM=2 COMP=g++ TEST=TRUE USE_ASSERTION=TRUE USE_CUDA=TRUE
- make output
Execution:
- Execution time: 512.416 s
- 5 run average: 55.194 s
- Relative performance: 828.4% slower
- Execution command:
  mpiexec -n 2 ./amr2d.gnu.TEST.MPI.CUDA.ex regtest.2d.hotspot amr.plot_file=HotSpot-2d_plt amr.check_file=HotSpot-2d_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-10 /home/regtester/RegTesting/rt-IAMR/IAMR-benchmarks/HotSpot-2d_plt00005 HotSpot-2d_plt00005

variable name absolute error relative error

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

level = 0

x_velocity 2.094721618e-11 5.900008377e-11

y_velocity 3.60688146e-11 5.701823768e-11

density 1.149302875e-12 1.149163011e-12

tracer 2.312788849e-12 2.312788881e-12

tracer2 1.028621632e-12 1.03402298e-12

temp 1.940447802e-12 9.702296388e-13

gradpx 1.412317485e-10 5.472018823e-11

gradpy 2.848743463e-10 2.435157908e-11

divu 2.526106359e-17 7.398298642e-12

dsdt 4.976386328e-16 7.88098967e-12

level = 1

x_velocity 2.733754889e-11 7.204104246e-11

y_velocity 3.683153782e-11 5.661790377e-11

density 2.028155421e-12 2.027154302e-12

tracer 4.480749105e-12 4.480748914e-12

tracer2 1.405153771e-12 1.4078367e-12

temp 3.847588914e-12 1.923795698e-12

gradpx 3.12196935e-10 1.104301517e-10

gradpy 2.978275404e-10 2.472603725e-11

divu 9.630383445e-17 1.475951312e-11

dsdt 1.874673648e-15 1.092350526e-11

level = 2

x_velocity 3.120209646e-11 7.999566857e-11

y_velocity 3.71987996e-11 5.688595481e-11

density 2.467470672e-12 2.466954857e-12

tracer 5.246802992e-12 5.246802553e-12

tracer2 1.511069048e-12 1.513376715e-12

temp 5.424105609e-12 2.712053712e-12

gradpx 8.991491995e-10 3.149030609e-10

gradpy 5.698552741e-10 4.709885193e-11

divu 2.644170046e-16 3.429230807e-11

dsdt 4.480977086e-15 1.878981813e-11

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	2.094721618e-11	5.900008377e-11
y_velocity	3.60688146e-11	5.701823768e-11
density	1.149302875e-12	1.149163011e-12
tracer	2.312788849e-12	2.312788881e-12
tracer2	1.028621632e-12	1.03402298e-12
temp	1.940447802e-12	9.702296388e-13
gradpx	1.412317485e-10	5.472018823e-11
gradpy	2.848743463e-10	2.435157908e-11
divu	2.526106359e-17	7.398298642e-12
dsdt	4.976386328e-16	7.88098967e-12
level = 1
x_velocity	2.733754889e-11	7.204104246e-11
y_velocity	3.683153782e-11	5.661790377e-11
density	2.028155421e-12	2.027154302e-12
tracer	4.480749105e-12	4.480748914e-12
tracer2	1.405153771e-12	1.4078367e-12
temp	3.847588914e-12	1.923795698e-12
gradpx	3.12196935e-10	1.104301517e-10
gradpy	2.978275404e-10	2.472603725e-11
divu	9.630383445e-17	1.475951312e-11
dsdt	1.874673648e-15	1.092350526e-11
level = 2
x_velocity	3.120209646e-11	7.999566857e-11
y_velocity	3.71987996e-11	5.688595481e-11
density	2.467470672e-12	2.466954857e-12
tracer	5.246802992e-12	5.246802553e-12
tracer2	1.511069048e-12	1.513376715e-12
temp	5.424105609e-12	2.712053712e-12
gradpx	8.991491995e-10	3.149030609e-10
gradpy	5.698552741e-10	4.709885193e-11
divu	2.644170046e-16	3.429230807e-11
dsdt	4.480977086e-15	1.878981813e-11

2026-05-11 / HotSpot-2d

Successful

Successful