perf: branchless primitive zip kernel #3317

Job	Run time
Python (wheel build)	5m 33s
Rust publish dry-run	39s
check-java-publish-build (aarch64-unknown-linux-gnu, runs-on=27222306598/runner=arm64-medium/imag...	2m 18s
Compat check / compat-test	5m 33s
check-java-publish-build (x86_64-unknown-linux-gnu, runs-on=27222306598/runner=amd64-medium/image...	1m 42s
	15m 45s

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