Bit matrix transposes for converting to/from vectorized shares #3686

Job	Run time
Basic Checks	9m 55s
Basic Checks	9m 55s
Additional Builds and Concurrency Tests	10m 58s
Additional Builds and Concurrency Tests	10m 58s
Measure coverage	17m 19s
Measure coverage	17m 19s
miri	2m 38s
miri	3m 36s
Release builds and tests	10m 12s
Release builds and tests	10m 12s
sanitize (address)	5m 33s
sanitize (address)	5m 33s
sanitize (address, multi-threading)	13m 12s
sanitize (address, multi-threading)	13m 12s
sanitize (leak)	3m 15s
sanitize (leak)	3m 15s
sanitize (leak, multi-threading)	7m 15s
sanitize (leak, multi-threading)	7m 15s
	2h 41m 32s

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