compiler: Rework HaloSpot optimization #7203

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	52m 55s
pytest-ubuntu-py311-gcc11-noomp-adjoint	39m 44s
pytest-ubuntu-py312-gcc12-omp-base	1h 10m 56s
pytest-ubuntu-py312-gcc12-omp-adjoint	51m 57s
pytest-ubuntu-py39-gcc7-omp-base	56m 16s
pytest-ubuntu-py39-gcc7-omp-adjoint	41m 32s
pytest-ubuntu-py310-gcc10-noomp-base	55m 16s
pytest-ubuntu-py310-gcc10-noomp-adjoint	41m 13s
pytest-ubuntu-py312-gcc13-omp-base	1h 11m 18s
pytest-ubuntu-py312-gcc13-omp-adjoint	51m 28s
pytest-ubuntu-py39-gcc9-omp-base	55m 4s
pytest-ubuntu-py39-gcc9-omp-adjoint	41m 2s
pytest-osx-py312-clang-omp-base	33m 33s
pytest-docker-py39-gcc-omp-base	48m 59s
pytest-docker-py39-gcc-omp-adjoint	36m 54s
pytest-docker-py39-icx-omp-base	40m 52s
pytest-docker-py39-icx-omp-adjoint	35m 51s
	13h 44m 50s

Provide feedback