I’ve been playing with Power Match and am finding that I have quite a few questions about it. Overall it is working well, so some of this is just my curiosity but also wanting to make sure I understand the tool correctly.
I use a Tacx Neo (og) and Garmin Vector 2S left side pm, and Android app.
Q1) Where are the power match calculations taking place? I recall Nate saying in a podcast that new Power Match uses machine learning of some kind, which by my interpretation means there is some kind of calculation being done somewhere between my PM and my turbo. I use Android app. Is the Vector sending power data to the app, which is then calculating the differential to send to the turbo trainer?
Q1.1) If Q1 = “yes” is there any advantage in calculation time (i.e. the time it takes for the app to literally do the power differential calculation, which in turn theoretically makes the turbo respond quicker) if I were to use an old weak phone vs. something brand new top of the line with a shiny fast CPU in it? Would going to PC further improve this time? Or is it just negligible?
Q1.2) If Q1 = “no” where does the calc take place? Is data being live-streamed back to a server somewhere for the calc? Or some other method?
Q2) Power Match smoothness… I understand that going to max smoothness means a slower response on the turbo, and max responsiveness means a faster response on the turbo. I understand that a faster response will mean a lot of “surging” which will hurt the legs. Why would max smoothness be not great? Wouldn’t it help to keep peaks and valleys at a minimum in my actual power reading? Or would it just keep those peaks and valleys happening longer while the turbo corrected?
Q3) Is Power Match better if the power meter measures both legs? Not asking about whether a total power measurement is better to train/race with - clearly that is a “yes” - but instead wondering if the tool itself works differently on a one sided vs two sided meter?
Q4) Does Power Meter accuracy matter any more than it typically would in a power match environment? Thinking both on the turbo and non-turbo sides.
Thanks. I like the feature. Just want to be sure I’m getting out of it what it is designed for. And I may be looking for an excuse to by a dual sided device.
Edit: a few days with no responses… maybe @Nate can assist if this isn’t too “secret sauce”