moving more files into the source #1502

Job	Run time
macos-latest: clang++ Release Threads	2m 2s
macos-latest: clang++ Release OneTBB	4m 32s
macos-latest: clang++ Release PaRSEC	3m 45s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	2m 6s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	3m 27s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	2m 42s
macos-latest: clang++ Debug Threads	2m 49s
macos-latest: clang++ Debug OneTBB	3m 42s
macos-latest: clang++ Debug PaRSEC	3m 59s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	1m 53s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	3m 58s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	2m 43s
	37m 38s

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