I've started my exploration of using 
@timbray's Quamina project for saving some compute time in the filters module of #GoActivityPub
Currently the GoAP storage backends iterate over resources (usually stored as raw JSON bytes), unmarshal them into GoActivityPub object structs, and *only* then apply the custom filtering logic on those objects. Since the majority of the objects generally fail the filtering logic, all that JSON decoding is wasted compute time and makes things slower.
Ideally quamina will allow me to check the raw JSON payloads directly against the filters, streamlining the execution and speeding things up. 