Maybe.
If the input energy required stays the same, and vacuum doesn’t add energy, how would it go faster?
If you’re looking at “the bubbles stopped” rather than “no more CO2 is being produced”, pulling a vacuum could arguably get you to your end point faster.
This horse has been beaten. Repeatedly.
Try MgO rather than H2O if you want it to go any faster…
Edit: unless you’re in OR, in which case OLCC is trying to define the use of a decarb catalyst as creating artificially derived cannabinoids. OR proposed new rules….(again)