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Actually i sent the email on 16th April, but i dont mind i was not in a hurry.
I still dont have an answer though,
I see, we got a very similar request yesterday.
In your case the reason you didn't get an email from us is that your email server refused to accept an email sent from us as well as the following tries.
I suggest either using a different email server or pm'ing me here.
I need your registration key and in case of pro/edge license information if it was the earlier or the latter license.
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1. Any idea if RAM frequency (e.g. DDR 2133 vs 3200) matters at all in terms of computation speed or is pio purely CPU limited?
It's not purely CPU limited but mainly so. Last time we checked it there was little difference once RAM was clocked at 1600. It's very unlikely it changes much in the future.
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2. Since the upper-tier Ryzen's have 16 threads, have you thought about a Pro version that can use all of them?
Yes, the pro version will support 16 threads in the next release. I am not changing it now because the difference between running 12 and 16 threads on 8 core CPU is minimal (likely less than 5%). The reason for that is that the way hyperthreading works you don't get direct speed up from running the extra threads. Switching between them is faster which makes some application faster (like Pio) but this is limited to the savings in context switches. In case of Pio there is about 15% speed-up due to hyperthreading (so going from 8 to 16 threads). Running 12 threads will be almost as good as 16.
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Jumping up to edge to take advantage of this seems like overkill given that with a 64GB RAM limit on these machines you still wouldn't be able to do much preflop work.
I agree with the first part. I don't agree with the second. I see the tendency to overblow preflop trees but you can really do a lot with 64GB. The tricks is to simplify postflop play as much as possible (it doesn't influence preflop play much or at all if you do it right).
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Sorry, one more: is it possible to estimate how big a preflop tree would be with the free version? I'm just trying to get a sense of what the limits are.
No, not right now. It's possible with basic/pro version though.
We will have some preflop functionality in the free version in the future to allow some testing (I don't like trials so those won't happen, I prefer free vesions with enough functionality). This is not high priority at the moment though.