dsl: Expand derivative #8039

Job	Run time
pytest-ubuntu-py312-gcc12-cxxomp-adjoint	18m 57s
pytest-ubuntu-py311-gcc11-cxxnoomp-base	18m 58s
pytest-ubuntu-py39-gcc14-omp-adjoint	18m 57s
pytest-ubuntu-py312-gcc12-cxxomp-base	18m 56s
pytest-ubuntu-py39-gcc9-omp-base	18m 55s
pytest-ubuntu-py310-gcc10-noomp-adjoint	18m 55s
pytest-ubuntu-py310-gcc10-noomp-base	18m 55s
pytest-ubuntu-py39-gcc14-omp-base	18m 56s
pytest-docker-py39-gcc-omp-adjoint	18m 58s
pytest-ubuntu-py312-gcc13-omp-base	18m 57s
pytest-ubuntu-py39-gcc9-omp-adjoint	18m 57s
pytest-ubuntu-py311-gcc11-cxxnoomp-adjoint	18m 57s
pytest-docker-py39-icx-omp-base	18m 57s
pytest-docker-py39-icx-omp-adjoint	18m 57s
pytest-ubuntu-py312-gcc13-omp-adjoint	18m 57s
pytest-docker-py39-gcc-omp-base	18m 58s
pytest-osx-py312-clang-omp-base	18m 59s
	5h 22m 6s

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