View Issue Details
| ID | Project | Category | Date Submitted | Last Update | |
|---|---|---|---|---|---|
| 0024309 | AI War 2 | Bug - Other | Jan 8, 2021 2:25 pm | Jan 22, 2021 8:54 pm | |
| Reporter | Daw11 | Assigned To | Chris_McElligottPark | ||
| Status | resolved | Resolution | fixed | ||
| Product Version | 2.713 Marauding Again | ||||
| Fixed in Version | Beta 2.721 Histiocytes And Circles | ||||
| Summary | 0024309: Selecting your fleet reduces the FPS a lot | ||||
| Description | I noticed that when you select your fleet the frame rate drops a lot. For me its around 1/4 in the early game and 1/3 in the late game when I have lot of ships. For example it can go from 144 fps to 80 fps. It happens even if I move the camera to an empty spot and there's nothing on the screen. When you select your fleet it adds a red circle behind every ship icon and draws a white circle around each ship. I think that one of these two thing might not be optimized. | ||||
| Tags | No tags attached. | ||||
| related to | 0024350 | resolved | Chris_McElligottPark | Icons, both selected and non-selected, cause big frame drops. Also just overall perfomance stuttering |
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I have a feeling it's the selected ships UI itself. That thing has to iterate over a bunch of things, and sort itself, and show percentages of health, etc. The circles around the units themselves in game-space are indeed newly drawn, but they're batched with IMDraw really efficiently. It's super super efficient math. The other circles behind the icons are baked into a custom shader I wrote, and are just another image. There is some added overdraw and there is transparency happening, but it shouldn't affect any modern machine in a substantially negative way. To test that theory, you can select some ships and then tab to the galaxy map. If you still see a framerate drop, it's definitely the selected ships interface. The on-planet stuff isn't drawn in any way, or even fully in memory, at that time. If you have a particularly egregious savegame, I'd love to have it, and know what to select. Cheers! |
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I get almost 144 fps on the planet view, If I select my fleet it drops to 80. If I go to the galaxy view with my fleet selected it goes back to 144. I added a save game but it generally happens with every game. The main fleet is on the planet Gaes. It might just be a driver issue if no one else has this problem. |
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ArcenDebugLog.txt (9,006 bytes)
1/8/2021 10:16:26 PM SINGLEP Current directory used: /home/davide/.local/share/Steam/steamapps/common/AI War 2/ Process Count = 0 so PlayerDataDirectory used: /home/davide/.local/share/Steam/steamapps/common/AI War 2/PlayerData/ 1/8/2021 10:16:26 PM SINGLEP Boot up FleetOS (0.2166s) 1/8/2021 10:16:26 PM SINGLEP graphicsDeviceType in use: OpenGLCore graphicsDeviceVersion in use: OpenGL 4.6 (Core Profile) Mesa 20.3.1 graphicsMultiThreaded: True graphicsShaderLevel: 50 operatingSystem: Linux 5.10 ManjaroLinux 20.2 64bit graphicsDeviceName: Radeon RX 590 Series (POLARIS10, DRM 3.40.0, 5.10.2-2-MANJARO, LLVM 11.0.0) graphicsDeviceID: 26591 graphicsDeviceVendor: AMD graphicsDeviceVendorID: 4098 graphicsDeviceVersion: OpenGL 4.6 (Core Profile) Mesa 20.3.1 graphicsMemorySize: 7585 maxTextureSize: 16384 npotSupport: Full processorType: AMD Ryzen 7 2700X Eight-Core Processor processorCount: 16 processorFrequency: 2715 systemMemorySize: 15977 supportedRenderTargetCount: 8 supportsComputeShaders: True supportsShadows: True usesReversedZBuffer: False 1/8/2021 10:16:26 PM SINGLEP Check System Logs For Rogue Intelligence (0.1990s) 1/8/2021 10:16:26 PM SINGLEP Inspect Aft Hatches (0.0090s) 1/8/2021 10:16:26 PM SINGLEP Found 280 xml files in 86 folders in 8ms 1/8/2021 10:16:27 PM SINGLEP Check For Extra Modules (0.3400s) 1/8/2021 10:16:27 PM SINGLEP 280 Xml Files Parsed in 331ms 1/8/2021 10:16:27 PM SINGLEP Gather Ancient Lifeforms (0.0053s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Game Version: 2.713 1/8/2021 10:16:27 PM 2.713 SINGLEP Eject Trash Into Hyperspace (0.0084s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Bring Cloaking Systems Online (0.0046s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Recalculate Speed Of Light (0.0093s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Optimize Comfort On Command Decks (0.0107s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Generating Framerates (0.0047s) 1/8/2021 10:16:27 PM 2.713 SINGLEP Update mod and expansion statuses! 1/8/2021 10:16:27 PM 2.713 SINGLEP Expansions: The Spire Rises (Installed And Enabled!) 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Check For Extra Modules (0.3s) Balancing Thermals (1.9s) 1/8/2021 10:16:31 PM 2.713 SINGLEP Hello Steam user 'Daw11' 1/8/2021 10:16:34 PM 2.713 SINGLEP Start load save: /home/davide/.local/share/Steam/steamapps/common/AI War 2/PlayerData/Save/1/1.save Source1: AnythingElse Source3: LoadingSaveGame 1/8/2021 10:16:34 PM 2.713 SINGLEP Recalculated Strengths For Loaded Galaxy Map in 22ms 1/8/2021 10:16:34 PM 2.713 SINGLEP Finish load save in 349.0ms |
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Hmm, okay, that doesn't sound like the fleet selection window then, you're right. The various circles being drawn around the ships shouldn't be THAT heavy, although I'm not positive how many we're talking about. If you select some number of ships and then hold the Z key to show ranges, does your framerate also drop a ton then? If that's the case, then this might be an IMDraw thing after all. If it's not the case, then maybe it's somehow a matter of overdraw with the icons. If you have lots of ships selected and you zoom in low enough that icons disappear, how does your framerate behave? Sorry for all the questions, but every GPU is different. |
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Looking at things, I'm using IMDraw 2.0 That says that the new SRP process is slower but more compatible: http://www.harveyc.net/IMDrawDocs/IMDraw%20User%20Guide.pdf This says it's much faster: http://www.harveyc.net/?p=220 Curious. |
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If zoom low and the icons disappear the frame rate stays the same. If I hold the Z key I get another large fps drop. It's almost certainly a problem with the circles of IMDraw. |
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Hmm, I am getting some rather conflicting results. 1. Yes, if I draw all the range circles, then I get a large FPS drop. This is pretty much unavoidable, given that it's so much overdraw. How much drop can be mitigated various ways, but some drop is kind of inevitable. 2. When I hide the GUI using Ctrl+F12, my framerate goes up a LOT in general. When I am in the planetary view and have ships selected or not selected and the interface is hidden, I get maybe a very small drop compared to what I get when the interface is on. In my case I am playing without ship models (I start and stop the program like 100 times a day, I need all the load speed I can get), so icons are drawing in all of these cases. From my own testing, it seems like the largest drop is from the selected ships window, but there is a nontrivial drop from the actual selection circles in IMDraw. This is in no way conclusive. I'm curious if you retest a little bit, and try with and without the GUI, if you see similar results. When I moved to the galaxy map, I was also still seeing a plenty large drop from having ships selected, BUT it was a choppy sort of a drop, not an every-frame drop. |
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Playing around with some tools that I only have in the unity editor, if I disable the IMDraw stuff directly, I get a 20fps bump in the main view. I can repeat this over and over. I'm still a bit confused about some other bits with the selection window results I was getting, but maybe there is just noise from other factors in that. I think that you may be right that this is mostly IMDraw, if not entirely. |
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If I disable the the GUI there's no performance difference when I select my fleet. That's probably because it doesn't draw the circles around the ships. |
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Ah shoot! I missed that, and that completely tainted that sort of test. Yep, you're spot on with that. Okay, I won't be able to deal with this today, but I will look into things that can be done. Right now the materials are using the transparent pipeline, which is slow and not a good idea. So far when I change that, it doesn't help. I can upgrade to the latest version of IMDraw (I'm on 1.2 right now) and see if the SRP version is actually faster or slower for real. I am also going to do a scan for other options that might be more multithreaded. There's no reason this stuff can't be calculated a background thread past a certain point, but it is not at present. I am seeing a large rise in both the render thread on unity, and in the main thread, so it's hard for me to tell how much multithreading would help it beyond what is there right now. I looked at the distance culling option per camera, but that does not seem to work properly in version 1.2. |
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Well, I bought ALINE back on Nov 20, and it might do a better job: https://arongranberg.com/aline/docs/advanced.html |
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Thanks! * The way that circles are drawn around ships that are selected, or that you hover over, is now based on Shapes instead of IMDraw. This looks incredibly more polished now, and comes with a far less substantial performance hit than before when you have a bunch of ships that are all selected at once. ** There are still various other parts of the game to update with this new style, but these were the really big ones that were causing massive slowdowns for folks on newer drivers. ** For Chris in a standalone build, in the "terrible framerate" test case from Daw11, the framerate was previously getting cut in half from 130fps to around 60fps or even lower on his GTX 1070 and i7-6700HQ. Now it drops from about 130fps to about 120fps. This is way more appropriate for the type of operation being undertaken. ** It's also far more attractive! |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| Jan 8, 2021 2:25 pm | Daw11 | New Issue | |
| Jan 8, 2021 3:55 pm | Chris_McElligottPark | Note Added: 0060238 | |
| Jan 8, 2021 4:20 pm | Daw11 | Note Added: 0060241 | |
| Jan 8, 2021 4:20 pm | Daw11 | File Added: ArcenDebugLog.txt | |
| Jan 8, 2021 4:20 pm | Daw11 | File Added: 1.save | |
| Jan 8, 2021 4:20 pm | Daw11 | File Added: 1.savemet | |
| Jan 8, 2021 4:53 pm | Chris_McElligottPark | Note Added: 0060244 | |
| Jan 8, 2021 5:05 pm | Chris_McElligottPark | Note Added: 0060245 | |
| Jan 8, 2021 5:09 pm | Daw11 | Note Added: 0060246 | |
| Jan 8, 2021 5:15 pm | Chris_McElligottPark | Note Added: 0060247 | |
| Jan 8, 2021 5:21 pm | Chris_McElligottPark | Note Added: 0060249 | |
| Jan 8, 2021 5:23 pm | Daw11 | Note Added: 0060250 | |
| Jan 8, 2021 5:34 pm | Chris_McElligottPark | Note Added: 0060251 | |
| Jan 8, 2021 5:46 pm | Chris_McElligottPark | Note Added: 0060252 | |
| Jan 20, 2021 12:13 pm | Lightjolly | Relationship added | related to 0024350 |
| Jan 22, 2021 8:54 pm | Chris_McElligottPark | Assigned To | => Chris_McElligottPark |
| Jan 22, 2021 8:54 pm | Chris_McElligottPark | Status | new => resolved |
| Jan 22, 2021 8:54 pm | Chris_McElligottPark | Resolution | open => fixed |
| Jan 22, 2021 8:54 pm | Chris_McElligottPark | Fixed in Version | => Beta 2.721 Histiocytes And Circles |
| Jan 22, 2021 8:54 pm | Chris_McElligottPark | Note Added: 0060378 |
