feat: Faster computation of L0 #1221

Job	Run time
Build target wasm32-unknown-unknown	1m 26s
Run the examples	1m 21s
Build target wasm32-wasi	1m 31s
Test on ubuntu-latest with basic features	3m 26s
Bitrot check	1m 12s
Test on windows-latest with basic features	7m 10s
Test on macOS-latest with basic features	3m 25s
Intra-doc links	52s
Test on ubuntu-latest with all features	3m 49s
Test on windows-latest with all features	8m 35s
Test on macOS-latest with all features	4m 1s
Rustfmt	12s
	37m 0s

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