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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #101 Posted: Wed Feb 12, 2020 8:39 am 
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spook wrote:
:shock: are you disconnected each time you use the "hide/show ownership" button ?
That's not supposed to happen. - * confused * :) a little more info please.


Affirmative. Whenever I use the button, the statistics freeze and calculation starts anew. Not sure how to show this with screenshots, though?

As a side note, I've had this issue since before I became a ZBaduk sponsor, see for example this post of mine from Christmas Eve: https://lifein19x19.com/viewtopic.php?p=252255#p252255

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #102 Posted: Sat Feb 15, 2020 1:29 pm 
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Maharani wrote:
Affirmative. Whenever I use the button, the statistics freeze and calculation starts anew.


I just wanted to let you know that I can reconstruct the problem in mean time. :)
(More technical information is available here.)

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #103 Posted: Sun Feb 16, 2020 1:22 pm 
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Great to hear. :) If this issue was resolved, would using the ownership button signal to the server that I'm just idle rather than completely idle? I assume it would depend on whether workaround 1 or 2 was implemented?

Otherwise (or maybe regardless ;) ), would it be possible to increase the time-out limit to 120 minutes? :3 This would be tremendously helpful for me. I use ZBaduk to handcraft high-playout self-play games, and my hope from the start was that I would be able to do this for komi 7 to investigate how very strong AI plays when there's a possibility of ties. I am so excited that this is now possible for me. For this project, especially for the first 30 or 40 moves, I would love to have the potential for very high playouts in order to create as high-quality self-play games as possible. Ever since you've implemented the option of integer komi, I've been unsuccessfully trying to get to even 120,000 playouts for move 1 since the symmetry of the board causes KataGo to consider something like forty moves that have a winrate of 44 - 49 %, meaning that in order for the four best equivalent moves (the 4-4 points) to reach 120,000 playouts, the overall playouts need to reach roughly 1.2 million. With my current internet connection, sixty minutes always gets me more than half-way, but never all the way there. Two hours would satisfy my craving to get to the amount of playouts I'm wishing for. :)

On an unrelated note, ZBaduk is the only website I've visited in a very long time for which it is not sufficient to type zbaduk.com into my browser's address line (regardless of OS or browser), which produces a completely blank page (it doesn't seem to be a 404 type of error page, though). I need to specifically type https://zbaduk.com to reach the website when my browser cache is clear. Only a minor inconvenience, but a pretty non-standard one. :)

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #104 Posted: Sun Feb 16, 2020 3:05 pm 
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Maharani, I'm really curious about what you're trying to achieve here (and I like the self-play games, please keep them coming!) Why do you need so many playouts for the first move? You know it's going to choose a 4-4 point anyway, so why not just put that move on the board and start your self-play game from there? (Unless you want to explore an "interesting" fuseki rather than AI's favourite fuseki, in which case the playouts and evaluations don't matter at all.)

Also, if you want 120k playouts for a specific move, rather than for the position as a whole, can't you just put that move on the board, get your 120k playouts (which is, what, ten minutes on ZBaduk?) and then backtrack?

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #105 Posted: Sun Feb 16, 2020 4:34 pm 
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My best and most honest answer is that I'm incurably neurotic. :)

My slightly less honest but a bit more practical answer is that IMO, the easier it is to get to a million playouts (for any move, not just move 0), the better. For instance, there is a slight possibility that, with enough play-outs, Kata will start rating the 3-4 points better than the 4-4 points. I want to see if this is something that could happen with a million playouts of move 0.

Besides, I don't really understand what the need is to disconnect idle users in the first place... To lessen strain on the server? Worst case, someone accidentally falls asleep calculating, wakes up and doesn't save their progress. (If this happens before move 40, the calculations are saved to the server regardless*, which seems to me to be a net-positive outcome.) Best case, they accidentally fall asleep and wake up to find their move suddenly has 20 million playouts, giving Kata much more confidence for the resulting sequences (if the calculation is still running when they wake up). In spook's own words, "the only good use for a GPU is baduk mining", anyway. :)

* Side note: This does not seem to be the case for calculations based on komi 7. I don't really care, but I wonder if this a fluke or intentional?

Side-side note: Of course, these are all just awkward workarounds owing to the sad fact that AIs cannot currently save and later continue on from previous calculations... Thankfully, the decade is still young!

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #106 Posted: Sun Feb 16, 2020 6:34 pm 
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Maharani wrote:
For instance, there is a slight possibility that, with enough play-outs, Kata will start rating the 3-4 points better than the 4-4 points. I want to see if this is something that could happen with a million playouts of move 0.

Interesting question! I think it's unlikely but worth exploring. But I still think you could do it more efficiently.

A million playouts of move 0 gives you, what, 100k playouts of D4 (and similar for the other 4-4 points, but they should all get very similar evaluations), and a few tens of thousands of playouts of D3? You'd do better to just play D3 on the board, get 200k playouts of that position, do the same for D4, then see which has the higher evaluation. You get more (relevant) data for less computation and less of your time.

The problem is that if D3 has a lower policy value, then it could take some massive number of total playouts before D3 starts getting a significant proportion of that total. That's why, if you're interested in a specific move, it's usually better to play that move on the board rather than analyse from the previous position.


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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #107 Posted: Mon Feb 17, 2020 12:35 am 
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Maharani wrote:
My best and most honest answer is that I'm incurably neurotic. :)

My slightly less honest but a bit more practical answer is that IMO, the easier it is to get to a million playouts (for any move, not just move 0), the better. For instance, there is a slight possibility that, with enough play-outs, Kata will start rating the 3-4 points better than the 4-4 points. I want to see if this is something that could happen with a million playouts of move 0.



I think 1 million playouts costs something in the order of 1 USD computed on the cloud computers. I find a bit unreasonable to expect to get unlimited background computation time with Zbaduk's prices. I think the system is meant for interactive game reviews. You can always set up a cloud-computing system of your own. I've for instance used this and modified it at some points https://github.com/bsteuber/lizzie-gcloud-setup.

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #108 Posted: Mon Feb 17, 2020 5:21 am 
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Maharani wrote:
For instance, there is a slight possibility that, with enough play-outs, Kata will start rating the 3-4 points better than the 4-4 points. I want to see if this is something that could happen with a million playouts of move 0.

OK, I can answer that one for you. The miracle didn't happen, at least not today. Maybe it needs ten million playouts? :-)


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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #109 Posted: Tue Feb 18, 2020 11:30 pm 
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zermelo wrote:
I think 1 million playouts costs something in the order of 1 USD computed on the cloud computers.


I had no idea, and now feel bad for asking... :oops:

EDIT: I've managed to improve my internet connection. Sixty minutes is enough for my purposes by now. :) On the other hand, I still wouldn't mind joining, say, a higher pay-level sponsorship tier without automatic disconnection for people who need high playouts... Just a suggestion :)

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #110 Posted: Wed Feb 19, 2020 10:26 am 
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Maharani wrote:
I still wouldn't mind joining, say, a higher pay-level sponsorship tier without automatic disconnection for people who need high playouts... Just a suggestion :)


Setting a correct price is difficult. Some chinese vendors use credit systems, and rent services per minute.
When ZBaduk started out that was impossible, because it had to provision servers in advance.
It would be complicated to introduce it now.

I can only acknowledge that prices are indeed a bit too low.
(some chinese vendors charge 60$/mo, and e.g. an AWS GPU instance costs about 0.8$/hr)
At the same time, I guess that may be what makes ZBaduk stand out.
The very fact that it is cheaper to use ZBaduk than to buy your own hardware.

January was actually a good month. One of the first months where:
membership_sales > hardware_costs.

So, ZBaduk is happy ! :tmbup:
Crunch those numbers !

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 Post subject: Re: ZBaduk - LeeLa Zero from your webbrowser
Post #111 Posted: Wed Feb 19, 2020 10:24 pm 
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spook wrote:
January was actually a good month. One of the first months where:
membership_sales > hardware_costs.


That's great to hear - congratulations! :)

spook wrote:
So, ZBaduk is happy ! :tmbup:
Crunch those numbers !


You're the best. Thank you once again for the service you offer. <3

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