2026-08-05-001 / 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: 8.822 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: 55.236 s
- 5 run average: 55.459 s
- Relative performance: 0.4% 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 2.094871498e-11 5.90043053e-11

y_velocity 3.60648178e-11 5.701191946e-11

density 1.14952492e-12 1.149385029e-12

tracer 2.313177427e-12 2.313177459e-12

tracer2 1.028732655e-12 1.034134586e-12

temp 1.941113936e-12 9.705627076e-13

gradpx 1.413918427e-10 5.478221665e-11

gradpy 2.848903335e-10 2.43529457e-11

divu 2.526275765e-17 7.398794789e-12

dsdt 4.975115778e-16 7.878977529e-12

level = 1

x_velocity 2.734093507e-11 7.204996586e-11

y_velocity 3.683053862e-11 5.661636778e-11

density 2.028821555e-12 2.027820107e-12

tracer 4.481526261e-12 4.48152607e-12

tracer2 1.405209282e-12 1.407892317e-12

temp 3.848477093e-12 1.924239788e-12

gradpx 3.123887815e-10 1.104980116e-10

gradpy 2.980726777e-10 2.474638887e-11

divu 9.631463412e-17 1.476116827e-11

dsdt 1.8720038e-15 1.090794837e-11

level = 2

x_velocity 3.120617653e-11 8.000612902e-11

y_velocity 3.719402564e-11 5.687865427e-11

density 2.46880294e-12 2.468286846e-12

tracer 5.248357304e-12 5.248356865e-12

tracer2 1.511291092e-12 1.513599099e-12

temp 5.4265481e-12 2.713274958e-12

gradpx 8.990923561e-10 3.14883153e-10

gradpy 5.700258043e-10 4.711294635e-11

divu 2.64652268e-16 3.432281944e-11

dsdt 4.481828354e-15 1.87933877e-11

variable name	absolute error	relative error
	(\|\|A - B\|\|)	(\|\|A - B\|\|/\|\|A\|\|)
level = 0
x_velocity	2.094871498e-11	5.90043053e-11
y_velocity	3.60648178e-11	5.701191946e-11
density	1.14952492e-12	1.149385029e-12
tracer	2.313177427e-12	2.313177459e-12
tracer2	1.028732655e-12	1.034134586e-12
temp	1.941113936e-12	9.705627076e-13
gradpx	1.413918427e-10	5.478221665e-11
gradpy	2.848903335e-10	2.43529457e-11
divu	2.526275765e-17	7.398794789e-12
dsdt	4.975115778e-16	7.878977529e-12
level = 1
x_velocity	2.734093507e-11	7.204996586e-11
y_velocity	3.683053862e-11	5.661636778e-11
density	2.028821555e-12	2.027820107e-12
tracer	4.481526261e-12	4.48152607e-12
tracer2	1.405209282e-12	1.407892317e-12
temp	3.848477093e-12	1.924239788e-12
gradpx	3.123887815e-10	1.104980116e-10
gradpy	2.980726777e-10	2.474638887e-11
divu	9.631463412e-17	1.476116827e-11
dsdt	1.8720038e-15	1.090794837e-11
level = 2
x_velocity	3.120617653e-11	8.000612902e-11
y_velocity	3.719402564e-11	5.687865427e-11
density	2.46880294e-12	2.468286846e-12
tracer	5.248357304e-12	5.248356865e-12
tracer2	1.511291092e-12	1.513599099e-12
temp	5.4265481e-12	2.713274958e-12
gradpx	8.990923561e-10	3.14883153e-10
gradpy	5.700258043e-10	4.711294635e-11
divu	2.64652268e-16	3.432281944e-11
dsdt	4.481828354e-15	1.87933877e-11

2026-08-05-001 / HotSpot-2d

Successful

Successful