2026-04-16-001 / 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: 8.680 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: 55.081 s
- 5 run average: 55.432 s
- Relative performance: 0.6% faster
- 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 2.094904805e-11 5.900524342e-11

y_velocity 3.606837051e-11 5.701753565e-11

density 1.14908083e-12 1.148940994e-12

tracer 2.312622316e-12 2.312622347e-12

tracer2 1.028566121e-12 1.033967178e-12

temp 1.940225758e-12 9.701186158e-13

gradpx 1.412563955e-10 5.472973768e-11

gradpy 2.847588831e-10 2.434170908e-11

divu 2.52564049e-17 7.396934237e-12

dsdt 4.978351444e-16 7.88410178e-12

level = 1

x_velocity 2.734018567e-11 7.204799101e-11

y_velocity 3.683364724e-11 5.66211464e-11

density 2.027933377e-12 2.026932367e-12

tracer 4.480138482e-12 4.480138291e-12

tracer2 1.405042749e-12 1.407725465e-12

temp 3.84692278e-12 1.923462631e-12

gradpx 3.120954606e-10 1.103942582e-10

gradpy 2.978897129e-10 2.47311989e-11

divu 9.628519973e-17 1.475665716e-11

dsdt 1.871692092e-15 1.090613208e-11

level = 2

x_velocity 3.120309566e-11 7.999823032e-11

y_velocity 3.719824448e-11 5.688510591e-11

density 2.467692717e-12 2.467176855e-12

tracer 5.24669197e-12 5.246691531e-12

tracer2 1.511069048e-12 1.513376715e-12

temp 5.424327654e-12 2.712164734e-12

gradpx 8.990923561e-10 3.14883153e-10

gradpy 5.69571057e-10 4.707536123e-11

divu 2.645169545e-16 3.43052706e-11

dsdt 4.482671152e-15 1.879692176e-11

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	2.094904805e-11	5.900524342e-11
y_velocity	3.606837051e-11	5.701753565e-11
density	1.14908083e-12	1.148940994e-12
tracer	2.312622316e-12	2.312622347e-12
tracer2	1.028566121e-12	1.033967178e-12
temp	1.940225758e-12	9.701186158e-13
gradpx	1.412563955e-10	5.472973768e-11
gradpy	2.847588831e-10	2.434170908e-11
divu	2.52564049e-17	7.396934237e-12
dsdt	4.978351444e-16	7.88410178e-12
level = 1
x_velocity	2.734018567e-11	7.204799101e-11
y_velocity	3.683364724e-11	5.66211464e-11
density	2.027933377e-12	2.026932367e-12
tracer	4.480138482e-12	4.480138291e-12
tracer2	1.405042749e-12	1.407725465e-12
temp	3.84692278e-12	1.923462631e-12
gradpx	3.120954606e-10	1.103942582e-10
gradpy	2.978897129e-10	2.47311989e-11
divu	9.628519973e-17	1.475665716e-11
dsdt	1.871692092e-15	1.090613208e-11
level = 2
x_velocity	3.120309566e-11	7.999823032e-11
y_velocity	3.719824448e-11	5.688510591e-11
density	2.467692717e-12	2.467176855e-12
tracer	5.24669197e-12	5.246691531e-12
tracer2	1.511069048e-12	1.513376715e-12
temp	5.424327654e-12	2.712164734e-12
gradpx	8.990923561e-10	3.14883153e-10
gradpy	5.69571057e-10	4.707536123e-11
divu	2.645169545e-16	3.43052706e-11
dsdt	4.482671152e-15	1.879692176e-11

2026-04-16-001 / HotSpot-2d

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