Update context.cpp #7

Job	Run time
Ubuntu / Release / gcc	19m 6s
macOS / Release / homebrew-clang	6m 47s
Ubuntu / Debug / gcc	19m 4s
macOS / Debug / homebrew-clang	5m 18s
Ubuntu / Release / clang	18m 13s
macOS / Release / system-clang	6m 26s
Ubuntu / Debug / clang	13m 21s
macOS / Debug / system-clang	5m 50s
Windows / Release / cl	25m 54s
Windows / Release / clang	26m 13s
Windows / Release / clang-cl	26m 35s
Windows / Debug / cl	28m 30s
Windows / Debug / clang	28m 4s
Windows / Debug / clang-cl	23m 59s
	4h 13m 20s

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