Best settings for Surface Go (8 GB RAM /128 GB SD)?

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Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  MatthiasHeil on Thu 03 Jan 2019, 9:25 pm

What an incredible piece of software Expresii is…

However, I have some problems getting it to run smoothly on my Surface Go. Whereas my finger works reasonably well as a brush, the Surface Pen produces lag to the point of chaos. What is planed to be a curve mostly turns out to be two or three dots, or a straight line broken up into two or three pieces.

Appreciate advice… or is the Surface Go just too slow?

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Fri 04 Jan 2019, 7:14 pm

The Surface Go is a bit too slow to my liking. You can check out this video where I tested Expresii on a Surface Go:
https://youtu.be/nOtQJr2aEhs?t=45

That was before I added the high-DPI support. Running Expresii in high-DPI would make things slower, but you can always go back to non-high-DPI, see http://www.expresii.com/blog/high-dpi-support-rolling-out

You should get a similar performance if you use a lower screen resolution.

The 2-or-3-dots thing sounds strange to me. I don't have a Surface Go with me now, but I have a few Surface Pro and they work well here. I'm sorry I don't have a clue right now...
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What a difference a tablet makes

Post  MatthiasHeil on Wed 30 Jan 2019, 12:51 am

Maybe it would be a good idea to take another look at the Surface pen support in Expresii. As written before, on the Surface Go performance is… not good. However, using a finger on the same machine improves speed and quality of inking in a much better way. Just today I've added a Huion WH1409 graphic tablet to my setup - and Expresii works beautifully with it. - The bottle neck seems to have to do with the Surface pen support...

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Thu 31 Jan 2019, 12:05 pm

Thanks for your more info! Could you please confirm if you chose this option to allow finger painting:


I just tested again on my Surface Pro i7 2017. Using finger gives virtually the same performance as using the Surface Pen. I wonder why it makes a difference on the Surface Go. Last time I checked, using the Pen gave expected performance (only around 45 FPS). I have yet to get hold of the Surface Go to test again.

When you say 'works beautifully' when paired with the Huion, do you get similar performance (around 40-50 FPS) as the video (https://www.youtube.com/watch?v=nOtQJr2aEhs&feature=youtu.be&t=45), or if you actually get better than that? Rolling Eyes
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...

Post  MatthiasHeil on Fri 01 Feb 2019, 9:31 pm

Yes, this is the setting I have.

Finger painting is very good, HUION is a close second, Surface Pen a remote and most disappointing third (curves rarely register as curves, sometimes as lines, sometimes as dots, sometimes not at all).

Frame info seems to be misleading as in all three cases similar values (80-130!) are displayed despite the stark difference in actual performance.

Surprisingly, it does not really matter which of the three modes Expresii is set to.

Sorry, still guess it must have to do with the Surface Pen/NTRIG driver support...

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Sun 03 Feb 2019, 9:40 am

Thanks for your more info. Could you please confirm if you have installed the driver for the Huion?  Because if you haven't, we'd be still using the emulated wintab32 dll we use to channel the stylus data (indicated as using 'Windows Ink' option in Expresii) - the same way we get stylus data if using Surface Pen.  You can check which dll Expresii is using by looking at:

If it says something that includes 'Windows', then it's our emulated dll.
If it says something that includes 'Huion' then it's the Huion wintab32.dll.

The FPS shown in Expresii's title bar is the simulation FPS, which is different from display FPS. Usually, display FPS capped at 20 FPS.
Right, I think the FPS is not updated correctly when things get so bad to the point when curves becomes lines or even dots.

I also find it surprising if Lite mode is not faster than Full Mode. I used to be able to run Expresii in Lite mode on Atom processors in 2014. I'll try to get hold of a similar device as the Surface Go and see if I can figure out why stylus is slower than touch there.
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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  MatthiasHeil on Mon 04 Feb 2019, 6:18 pm

Yes, Expresii is using the Huion driver I installed.

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Mon 04 Feb 2019, 6:49 pm

Thanks for your confirmation. That makes sense, as it's using the Huion DLL so that there's a difference.
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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Tue 26 Feb 2019, 5:16 pm

FYI, I ordered a Surface Go and it's now on its way. Hopefully I can figure out what's going on and get a fix.
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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  MatthiasHeil on Tue 26 Feb 2019, 8:06 pm

Excellent - looking forward to it!-)

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Wed 06 Mar 2019, 6:58 pm

Fix is released! Please update the app to version 2019-03-05. Did a quick video to show it's working:



It's the lowest spec of Surface Go demo'ed there. Smile

Thanks a lot for the heads up Matthias!
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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  MatthiasHeil on Wed 06 Mar 2019, 7:52 pm

A-M-A-Z-I-N-G-!-!-!

Thanks ever so much, you do rock!

Everything is working smoothly, and the Surface Go's limited but still fine powers are made use of in the most exemplary way.

Additionally, 2019-03-05 looks much more polished and overall feels snappier - you have really done some considerable magic here!

All in all: fantastic - guess I'll have to take off the afternoon to make some lines and doodles!-)

Congratulations also on the best video you have produced so far - it demonstrates the potential of this ingenious piece of software very well!

On a side note, do you think a series of clips would make sense to make it even easier for users to dive into the depths of Expresii? I'll be happy to provide English/German language support!

Glad I could contribute!-)

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Amazing

Post  Jorge Lu on Mon 11 Mar 2019, 10:07 am

Thank you, thank you, thank you!

This is great, I got the store version a few months ago to use it on my Surface Go (a great device by the way) but it wasn't a pleasant experience. I blamed the low specs and high DPI support, so I barely got to use it. But now it's just excellent.

Congratulations on the app, Expresii is so cool ;-)

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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

Post  Admin on Sat 16 Mar 2019, 9:48 pm

Thanks for your feedback, guys! Appreciate Matthias' offer. We do have some more videos on Youtube (https://www.youtube.com/channel/UCBAMTZr2N9FZ-sG0QVGciYg/videos)
but maybe you've seen them and feel that those are not in depth enough. Laughing
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Re: Best settings for Surface Go (8 GB RAM /128 GB SD)?

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