meta: reduce cost of meta data #417

Job	Run time
extra (windows-latest, std::uint32_t, cxx_std_17)	1m 58s
extra (windows-latest, std::uint32_t, cxx_std_20)	2m 29s
linux (ubuntu-latest, g++, g++, 9)	1m 51s
extra (windows-latest, std::uint64_t, cxx_std_17)	2m 23s
linux (ubuntu-latest, g++, g++, 10)	2m 3s
extra (windows-latest, std::uint64_t, cxx_std_20)	2m 4s
linux (ubuntu-latest, g++, g++, 11)	2m 4s
extra (macOS-latest, std::uint32_t, cxx_std_17)	47s
linux (ubuntu-latest, clang, clang++, 13)	1m 54s
extra (macOS-latest, std::uint32_t, cxx_std_20)	53s
linux (ubuntu-latest, clang, clang++, 14)	1m 57s
extra (macOS-latest, std::uint64_t, cxx_std_17)	1m 9s
extra (macOS-latest, std::uint64_t, cxx_std_20)	1m 34s
linux (ubuntu-latest, clang, clang++, 15)	2m 0s
linux (ubuntu-24.04, g++, g++, 12)	2m 12s
extra (ubuntu-latest, std::uint32_t, cxx_std_17)	1m 46s
extra (ubuntu-latest, std::uint32_t, cxx_std_20)	1m 54s
linux (ubuntu-24.04, g++, g++, 13)	2m 14s
extra (ubuntu-latest, std::uint64_t, cxx_std_17)	1m 38s
linux (ubuntu-24.04, g++, g++, 14)	3m 39s
extra (ubuntu-latest, std::uint64_t, cxx_std_20)	1m 48s
linux (ubuntu-24.04, clang, clang++, 16)	2m 4s
linux (ubuntu-24.04, clang, clang++, 17)	2m 4s
linux (ubuntu-24.04, clang, clang++, 18)	2m 2s
windows (default)	2m 17s
windows (v142)	2m 14s
macos	55s
windows (clang-cl)	3m 5s
	54m 58s

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