I’d always use the tromp solver…and the sol/sec it displays is the average since it launched, not the average since it started mining (why is a complex matter discussed in the issue tracker somewhere 
), and it can take an hour or more to sync the blockchain before it starts mining. In terminal do a:
tail -f ~/Library/Application\ Support/Zcash/debug.log to see what block height its at, and compare that against the current one on https://zcha.in
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