some print statements #1527

Job	Run time
macos-latest: clang++ Release Threads	12m 40s
macos-latest: clang++ Release OneTBB	3m 35s
macos-latest: clang++ Release PaRSEC	3m 21s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	32m 25s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	1m 57s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	2m 16s
macos-latest: clang++ Debug Threads	14m 39s
macos-latest: clang++ Debug OneTBB	3m 47s
macos-latest: clang++ Debug PaRSEC	3m 24s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	29m 35s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	1m 29s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	1m 33s
	1h 50m 41s

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