compiler: Rework HaloSpot optimization #7195

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	53m 57s
pytest-ubuntu-py311-gcc11-noomp-adjoint	39m 36s
pytest-ubuntu-py312-gcc12-omp-base	1h 10m 37s
pytest-ubuntu-py312-gcc12-omp-adjoint	51m 40s
pytest-ubuntu-py39-gcc7-omp-base	55m 22s
pytest-ubuntu-py39-gcc7-omp-adjoint	40m 37s
pytest-ubuntu-py310-gcc10-noomp-base	53m 26s
pytest-ubuntu-py310-gcc10-noomp-adjoint	40m 35s
pytest-ubuntu-py312-gcc13-omp-base	1h 13m 26s
pytest-ubuntu-py312-gcc13-omp-adjoint	51m 37s
pytest-ubuntu-py39-gcc9-omp-base	55m 12s
pytest-ubuntu-py39-gcc9-omp-adjoint	40m 39s
pytest-osx-py312-clang-omp-base	36m 8s
pytest-docker-py39-gcc-omp-base	48m 30s
pytest-docker-py39-gcc-omp-adjoint	36m 16s
pytest-docker-py39-icx-omp-base	40m 0s
pytest-docker-py39-icx-omp-adjoint	36m 4s
	13h 43m 42s

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