I have just been out to Whiskeytown NP and tested a number of my stoves. I have not yet tabulated the results, but I will say this, the MSR Reactor is the fastest boiling by far, almost to fast! I have measured the practical fuel consumption, i.e. how much is used up taking the stove out and setting it up and then dismantling it again. My two alcohol stoves clearly show me that a lot of fuel can be wasted. Alcohol stoves have to be extinguished and any leftover fuel returned to the storage container, not always a easy or safe task. With both the Caldera Cone supplied stove and the PackaFeather stove emptying unused fuel was not easy. I started with 40Grams in each, one used 30g and the other 35, but I did not get much of the unused fuel back in the bottle. So practically both used 40g to bring 450g of water(2Cups) to a good boil was used.
The Jetboil used 4g's with it's own mug whereas the Reactor used 8g. I will have to check the results. The Reactor has to be stored with the gas cylinder removed, whereas the Jetboil can be stored within it's mug with a small cylinder attached.
Each of my MSR stoves, a DragonFly and a XGR both used the same amount of fuel (white gas of course)
In timing stoves it seems to me that you should include the time taken for the stove to get up to temp, rather than timing beginning when the stove is nice and hot. The pre-heat can be quite long with some stoves, that's what makes iso/butane so fast. Alcohol stoves take quite a while to pre-heat, as do the MSR white gas stoves.
Oh, the Reactor boiled in 1:35 while the PackaFeather took 11:00. Quite a difference. But of course the alcohol stoves are completely quiet, no so with the rest.