top k with dyn k #5502

Job	Run time
linux (raspbian)	15m 55s
linux (aarch64-unknown-linux-gnu)	26m 9s
linux (armv6vfp-unknown-linux-gnueabihf)	28m 46s
linux (armv7-unknown-linux-gnueabihf)	25m 34s
linux (aarch64-unknown-linux-musl)	32m 45s
linux (armv7-unknown-linux-musl)	16m 46s
linux (aarch64-linux-android)	7m 35s
linux (armv7-linux-androideabi)	7m 55s
linux (i686-linux-android)	9m 58s
apple (aarch64-apple-ios)	3m 53s
linux (x86_64-linux-android)	8m 55s
apple (aarch64-apple-darwin)	11m 25s
linux (wasm32-unknown-unknown)	6m 19s
linux (wasm32-wasi)	1m 12s
	3h 23m 7s

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