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... by moving from a software implementation to a mostly hardware one. ;)

Still a worthwhile article but the title seemed to make me think of implementation/algorithm changes.

Most of crypto hashes implementations in Go are hand written assembly for specific platforms.

No, there are no algorithm changes (otherwise the results would be different), it is just taking advantage of the ARM SHA accelerations when they are available.

I a change in algorithm does not necessarily lead to change in results. Two algorithms that produce the same results may be disparate, but I suppose it's up to your definition of disparate

>there are no algorithm changes (otherwise the results would be different

Insertionsort, Mergesort and Timsort are three wildly different algorithms with different speeds, but on every possible input they produce the exact same result

Strictly speaking, it's possible for different sorting algorithms to produce different results if you sort using a weak order rather than a total order.

Or an unstable sort (which none of grandparent's examples are, but aren't uncommon in naive implementations)

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