About the jerkiness on the movement...

Discussion and feedback on Construct 2

Post » Mon Nov 03, 2014 2:39 am

@Colludium ,

I am afraid that the first test also gives similar results for some reason. Here are some screen shots:

Firefox
Image

Chrome
Image

Canary
Image

IE11
Image

Firefox is just a mess with no red dots at all, Chrome and Canary produce almost straight lines with occasional dots all around and only IE renders a graph that resembles the expected result. Of course, as always, in all tests the jitter is there like a common factor...

:evil:
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Post » Mon Nov 03, 2014 3:07 am

Woah...!! @eli0s, that's beyond my comprehension. Some of your browsers are hitting whole-ms-number dt values every time... Even the Canary values are unexpected and nothing like the other images posted here... I have now reached the limit of my understanding of browsers!!
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Post » Mon Nov 03, 2014 4:09 am

@eli0s

EDIT: Did you run you tests with the browsers windowed? If so, try them Maximized/Full Screen.

Just don't know what to make of that. What is your exact version of Canary (Toolbar -- About Google Chrome)?

@Colludium

Could you post a version of your second test that only runs for 20 seconds? Or even lets the user specify run length?
Last edited by TiAm on Mon Nov 03, 2014 4:31 am, edited 3 times in total.
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Post » Mon Nov 03, 2014 4:22 am

The weirdness continues. I just ran Colludium 's second test, but with Canary windowed this time, and got similar results to eli0s:

Screenshot 2014-11-02 22.16.25.png


The reason I tried it windowed? When I try to load the test with Canary maximized, it won't load (huh?). I have to make it windowed. However, after it loads I can maximize it and run the test, which gives me this:

Screenshot 2014-11-02 22.19.24.png


I guess Canary's new V-Sync improvments only work with the browser maximized for now... :(
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Post » Mon Nov 03, 2014 9:35 am

@Colludium , today I get this from firefox:

Image

Chrome & Canary are still the same: Either integer values or 15.99, 17.99 etc... Running your capx with node-webkit also produces the same thing, as expected i guess...

@TiAm , it doesn't matter if I run the tests in windowed mode or not. The same thing happen. My Chrome version is 38.0.2125.111 m and it tells me that it's up to date. Canary is 40.0.2208.0 canary (64-bit). I don't know why Chrome doesn't display the 64bit thingy, perhaps it isn't a 64bit version. Is there a normal Chrome 64bit version available...? Anyway, I don't think that has do do anything though.

I don't know what to get out of this, I've even disabled my secondary monitors as was suggested by @Tylermon at page 7 and nothing changed on the chrome based browsers. On the other hand, with the secondary monitors disabled, IE11 runs the waterfall benchmark with no scatter what so ever!!!
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Post » Mon Nov 03, 2014 8:18 pm

@eli0s

I have no idea why your browser should be reporting dt to that sort of accurate round number. @Ashley, would you be able to shed some light on why this is happening..?? I don't even know if it's a problem, although I suspect that any events that use dt might be off by a small amount if the reported dt is inaccurate for some reason.

@TiAm,

Good idea on the adjustments to the 2nd test. I've changed how it works so that now there is only one data window and the user can input the length of the test.

Here's the LINK for convenience.

Please can I ask everyone to reduce the sizes of their screen captures - it's hurting my brain.... :)
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Post » Mon Nov 03, 2014 9:07 pm

Colludium wrote:Please can I ask everyone to reduce the sizes of their screen captures - it's hurting my brain.... :)


Ya, will do. Sorry 'bout that :mrgreen:

Canary updated today to Version 40.0.2209.0 canary (64-bit). Tried your new test windowed and got this:


Screenshot 2014-11-03 15.03.41.png


Seems like the new improvements work in window mode now.

@eli0s

Give the new canary a try?
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Post » Mon Nov 03, 2014 9:10 pm

And just for interest, here's Android Chrome run on my Nexus 5.... Not bad, really...

I'll give the new Canary a go when I get home.
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Post » Mon Nov 03, 2014 10:02 pm

@TiAm , unfortunately it's the same:

Canary 40.0.2209.0
Image

The frame rate is fixed at 60, the object count fluctuates between 60 and 62 (with most frequent been 61, after that after that 62 and less often 60) and in a small browser window there is little but still noticeable frequent jerkiness in the scrolling background.

Perhaps I am cursed..? Am I the only one that has this results? Everybody else gets a graph that looks like Colludium and TiAm?
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Post » Mon Nov 03, 2014 11:25 pm

@eli0s

What is your system like (cpu, gpu, os)?

The only situation in which canary gives me the result you are getting (dt's at whole number intervals) is when I run it full screen (F11). Don't know why that would be.
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