Nexus: Better handling tiling matrix #7498

Job	Run time
macos (macOS-GCC14-NoMPI-Real)	14m 53s
spack-centos-stream (GCC11-NoMPI-Debug-Real)	18m 47s
linux (GCC9-NoMPI-Debug-Real)	16m 25s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	18m 0s
linux (GCC9-NoMPI-NoOMP-Real)	15m 8s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	18m 18s
linux (GCC9-NoMPI-NoOMP-Complex)	15m 18s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	4m 6s
linux (GCC9-MPI-Sandbox-Real)	3m 38s
linux (GCC9-NoMPI-Sandbox-Complex)	3m 41s
linux (GCC9-MPI-Gcov-Real)	25m 26s
linux (GCC9-MPI-Gcov-Complex)	26m 18s
linux (GCC12-NoMPI-Werror-Real)	19m 44s
linux (GCC12-NoMPI-Werror-Complex)	19m 4s
linux (GCC12-NoMPI-Werror-Real-Mixed)	18m 3s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	18m 18s
linux (Clang14-NoMPI-ASan-Real)	24m 32s
linux (Clang14-NoMPI-ASan-Complex)	24m 1s
linux (Clang14-NoMPI-UBSan-Real)	24m 17s
linux (Clang16-NoMPI-Offload-Real)	23m 6s
linux (Clang16-NoMPI-Offload-Complex)	22m 53s
	6h 13m 56s

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