Pr cc refactoring #1418

Job	Run time
macos-latest: clang++ Release Threads	30m 51s
macos-latest: clang++ Release OneTBB	3m 37s
macos-latest: clang++ Release PaRSEC	5m 14s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	52m 51s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	2m 51s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	2m 48s
macos-latest: clang++ Debug Threads	30m 23s
macos-latest: clang++ Debug OneTBB	3m 19s
macos-latest: clang++ Debug PaRSEC	4m 37s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	52m 23s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	3m 13s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	3m 30s
	3h 15m 37s

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