reduce allocations for computing ids #1331
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Eliminates most of the allocations for computing ids from the tag maps. In particular, the buffers, message digest, UTF-8 encoder, and string array now get reused. It also uses a custom sort so the tuple allocations can be avoided and just use pairs of strings in an array.
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Eliminates most of the allocations for computing ids from
the tag maps. In particular, the buffers, message digest,
UTF-8 encoder, and string array now get reused. It also
uses a custom sort so the tuple allocations can be avoided
and just use pairs of strings in an array.