Pr cc refactoring #1500

Job	Run time
macos-latest: clang++ Release Threads	40m 35s
macos-latest: clang++ Release OneTBB	2m 35s
macos-latest: clang++ Release PaRSEC	2m 8s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	1h 3m 44s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	3m 6s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	3m 19s
macos-latest: clang++ Debug Threads	21m 38s
macos-latest: clang++ Debug OneTBB	3m 24s
macos-latest: clang++ Debug PaRSEC	3m 11s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	56m 18s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	2m 35s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	3m 13s
	3h 25m 46s

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