2026-01-20-001 / 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: 8.747 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: 55.430 s
- 5 run average: 57.083 s
- Relative performance: 2.9% 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 2.095112972e-11 5.901110666e-11

y_velocity 3.606459575e-11 5.701156844e-11

density 1.149191853e-12 1.149052002e-12

tracer 2.312705583e-12 2.312705614e-12

tracer2 1.028566121e-12 1.033967178e-12

temp 1.940669847e-12 9.703406617e-13

gradpx 1.411072925e-10 5.467196779e-11

gradpy 2.846629599e-10 2.433350938e-11

divu 2.526021655e-17 7.398050569e-12

dsdt 4.975217422e-16 7.879138501e-12

level = 1

x_velocity 2.734007465e-11 7.204769844e-11

y_velocity 3.682731897e-11 5.66114185e-11

density 2.027489288e-12 2.026488497e-12

tracer 4.479638882e-12 4.479638691e-12

tracer2 1.404876215e-12 1.407558614e-12

temp 3.846478691e-12 1.923240586e-12

gradpx 3.118357794e-10 1.103024039e-10

gradpy 2.980815594e-10 2.474712625e-11

divu 9.622548391e-17 1.474750512e-11

dsdt 1.872857609e-15 1.091292342e-11

level = 2

x_velocity 3.120609327e-11 8.000591554e-11

y_velocity 3.719069497e-11 5.687356087e-11

density 2.467248628e-12 2.466732858e-12

tracer 5.246358903e-12 5.246358464e-12

tracer2 1.510902514e-12 1.513209928e-12

temp 5.42366152e-12 2.711831667e-12

gradpx 8.99206043e-10 3.149229688e-10

gradpy 5.699689609e-10 4.710824821e-11

divu 2.643800528e-16 3.428751578e-11

dsdt 4.481826236e-15 1.879337882e-11

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	2.095112972e-11	5.901110666e-11
y_velocity	3.606459575e-11	5.701156844e-11
density	1.149191853e-12	1.149052002e-12
tracer	2.312705583e-12	2.312705614e-12
tracer2	1.028566121e-12	1.033967178e-12
temp	1.940669847e-12	9.703406617e-13
gradpx	1.411072925e-10	5.467196779e-11
gradpy	2.846629599e-10	2.433350938e-11
divu	2.526021655e-17	7.398050569e-12
dsdt	4.975217422e-16	7.879138501e-12
level = 1
x_velocity	2.734007465e-11	7.204769844e-11
y_velocity	3.682731897e-11	5.66114185e-11
density	2.027489288e-12	2.026488497e-12
tracer	4.479638882e-12	4.479638691e-12
tracer2	1.404876215e-12	1.407558614e-12
temp	3.846478691e-12	1.923240586e-12
gradpx	3.118357794e-10	1.103024039e-10
gradpy	2.980815594e-10	2.474712625e-11
divu	9.622548391e-17	1.474750512e-11
dsdt	1.872857609e-15	1.091292342e-11
level = 2
x_velocity	3.120609327e-11	8.000591554e-11
y_velocity	3.719069497e-11	5.687356087e-11
density	2.467248628e-12	2.466732858e-12
tracer	5.246358903e-12	5.246358464e-12
tracer2	1.510902514e-12	1.513209928e-12
temp	5.42366152e-12	2.711831667e-12
gradpx	8.99206043e-10	3.149229688e-10
gradpy	5.699689609e-10	4.710824821e-11
divu	2.643800528e-16	3.428751578e-11
dsdt	4.481826236e-15	1.879337882e-11

2026-01-20-001 / HotSpot-2d

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