dump walkers periodically for post-processing #6342

Job	Run time
macos (macOS-GCC12-NoMPI-Real)	19m 44s
spack-centos-stream (GCC11-NoMPI-Debug-Real)	20m 32s
linux (GCC9-NoMPI-Debug-Real)	18m 6s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	18m 25s
linux (GCC9-NoMPI-NoOMP-Real)	16m 44s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	18m 31s
linux (GCC9-NoMPI-NoOMP-Complex)	15m 50s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	4m 37s
linux (GCC9-NoMPI-Sandbox-Real)	3m 32s
linux (GCC9-MPI-Gcov-Real)	31m 8s
linux (GCC9-MPI-Gcov-Complex)	31m 6s
linux (GCC12-NoMPI-Werror-Real)	19m 21s
linux (GCC12-NoMPI-Werror-Complex)	19m 57s
linux (GCC12-NoMPI-Werror-Real-Mixed)	18m 22s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	18m 27s
linux (Clang14-NoMPI-ASan-Real)	24m 18s
linux (Clang14-NoMPI-ASan-Complex)	23m 55s
linux (Clang14-NoMPI-UBSan-Real)	25m 28s
linux (Clang16-NoMPI-Offload-Real)	21m 51s
linux (Clang16-NoMPI-Offload-Complex)	21m 16s
	6h 31m 10s

Provide feedback