GTX 1080 Test on Decred with ccminer-rel1.7.5-blake2s-x64 on Windows 10 ( 2700 mh/s )
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Hmmm... so it's not just my 980TI that freezes for nearly 30 seconds when the difficulty is changed by the stratum on Suprnova when doing Decred (at 14:09:45).