Pr cc refactoring #1451

Job	Run time
macos-latest: clang++ Release Threads	31m 19s
macos-latest: clang++ Release OneTBB	2m 49s
macos-latest: clang++ Release PaRSEC	5m 21s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	48m 13s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	3m 26s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	3m 36s
macos-latest: clang++ Debug Threads	30m 48s
macos-latest: clang++ Debug OneTBB	2m 44s
macos-latest: clang++ Debug PaRSEC	3m 30s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	48m 36s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	3m 3s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	3m 12s
	3h 6m 37s

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