Tristan/war 540 sylow initial performance optimization #128

Job	Run time
clippy	19s
feature-checks	36s
Code Coverage	8m 4s
docs	16s
fmt	12s
test stable --no-default-features	1m 30s
test stable	1m 17s
test stable --all-features	1m 31s
test beta --no-default-features	54s
test beta	56s
test beta --all-features	55s
test nightly --no-default-features	1m 4s
test nightly	1m 0s
test nightly --all-features	58s
	19m 32s

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