2026-09-29-003 / 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: 8.898 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: 54.221 s
- 5 run average: 54.856 s
- Relative performance: 1.2% 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 2.193836779e-11 6.179376109e-11

y_velocity 3.609745836e-11 5.706267798e-11

density 1.125655125e-12 1.125518089e-12

tracer 2.272237953e-12 2.272237985e-12

tracer2 1.00391917e-12 1.009190745e-12

temp 1.906252933e-12 9.531321031e-13

gradpx 1.456053056e-10 5.642177846e-11

gradpy 2.772306829e-10 2.369789568e-11

divu 2.473759722e-17 7.245158647e-12

dsdt 4.935457696e-16 7.816534877e-12

level = 1

x_velocity 2.84237911e-11 7.490531535e-11

y_velocity 3.688205297e-11 5.669388916e-11

density 1.996069976e-12 1.995084326e-12

tracer 4.412192833e-12 4.412192643e-12

tracer2 1.38000722e-12 1.382642107e-12

temp 3.797406833e-12 1.898704642e-12

gradpx 3.285617889e-10 1.162282802e-10

gradpy 2.882085681e-10 2.392715871e-11

divu 9.54218614e-17 1.462417255e-11

dsdt 1.864814184e-15 1.086261871e-11

level = 2

x_velocity 3.292652262e-11 8.441838764e-11

y_velocity 3.723421571e-11 5.693874295e-11

density 2.446043368e-12 2.445531218e-12

tracer 5.209499498e-12 5.209499061e-12

tracer2 1.489919299e-12 1.492194652e-12

temp 5.383027357e-12 2.691514579e-12

gradpx 9.278551261e-10 3.249843637e-10

gradpy 6.02824457e-10 4.982345312e-11

divu 2.643681943e-16 3.428564256e-11

dsdt 4.525229899e-15 1.897522485e-11

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	2.193836779e-11	6.179376109e-11
y_velocity	3.609745836e-11	5.706267798e-11
density	1.125655125e-12	1.125518089e-12
tracer	2.272237953e-12	2.272237985e-12
tracer2	1.00391917e-12	1.009190745e-12
temp	1.906252933e-12	9.531321031e-13
gradpx	1.456053056e-10	5.642177846e-11
gradpy	2.772306829e-10	2.369789568e-11
divu	2.473759722e-17	7.245158647e-12
dsdt	4.935457696e-16	7.816534877e-12
level = 1
x_velocity	2.84237911e-11	7.490531535e-11
y_velocity	3.688205297e-11	5.669388916e-11
density	1.996069976e-12	1.995084326e-12
tracer	4.412192833e-12	4.412192643e-12
tracer2	1.38000722e-12	1.382642107e-12
temp	3.797406833e-12	1.898704642e-12
gradpx	3.285617889e-10	1.162282802e-10
gradpy	2.882085681e-10	2.392715871e-11
divu	9.54218614e-17	1.462417255e-11
dsdt	1.864814184e-15	1.086261871e-11
level = 2
x_velocity	3.292652262e-11	8.441838764e-11
y_velocity	3.723421571e-11	5.693874295e-11
density	2.446043368e-12	2.445531218e-12
tracer	5.209499498e-12	5.209499061e-12
tracer2	1.489919299e-12	1.492194652e-12
temp	5.383027357e-12	2.691514579e-12
gradpx	9.278551261e-10	3.249843637e-10
gradpy	6.02824457e-10	4.982345312e-11
divu	2.643681943e-16	3.428564256e-11
dsdt	4.525229899e-15	1.897522485e-11

2026-09-29-003 / HotSpot-2d

Successful

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