![]() ![]() Impact is less noticeable in the normal 3D view (but there is still delay when trying to move the default cube) Closing the Blend file and starting a new one doesn't help In this experiment I don't let it sit for a long time, but I have let it sit overnight and it never improves (not just the system having to "catch up") FPS and responsiveness starts high (25 FPS), and starts to lag after a few minutes, you can probably tell that the position of the pointer and the drawing starts to get out of sync a few minutes in, then when I start testing the FPS, it drops quite low Grease-Pencil drawing simple strokes does impact memory (but still plenty to spare) even with undo turned off Resize does immediately impact memory, I had always used full-screen so never noticed that before Blender startup is very slow, takes 30 seconds (also related?) We all know it is (worth using), but these errors make it really difficult. ![]() But a lot of people will be trying out Blender with computers with similar drivers and they will think it is because of Blender and decide it isn't worth using. It appears that the graphics driver is the issue (when I tested it as mentioned in a previous thread with Mesa, I didn't see the memory increase). I think when I had turned off UnDo and tried to hit Ctrl-Z which caused it to crash. Blender oddly crashed towards the end.After restarting Blender, (after the init delay), things are back to normal, but quickly progress to laggy state again.Impact is less noticeable in the normal 3D view (but there is still delay when trying to move the default cube).Closing the Blend file and starting a new one doesn't help.In this experiment I don't let it sit for a long time, but I have let it sit overnight and it never improves (not just the system having to "catch up").FPS and responsiveness starts high (25 FPS), and starts to lag after a few minutes, you can probably tell that the position of the pointer and the drawing starts to get out of sync a few minutes in, then when I start testing the FPS, it drops quite low.Grease-Pencil drawing simple strokes does impact memory (but still plenty to spare) even with undo turned off.Resize does immediately impact memory, I had always used full-screen so never noticed that before.Blender startup is very slow, takes 30 seconds (also related?). ![]() Mid-video I also reset to factory settings and turn off all the undo. I recorded the video on my cell phone so it didn't impact computer performance. I disabled almost everything on startup so nothing else but Blender would have the stage. ![]() This is 3.0 alpha from last week with the same computer > Ok, I recorded a video now so you can see the issues. **Exact steps for others to reproduce the error** Thanks! Sorry I don't know exactly what is causing it.īroken: version: 2.93.0 Alpha, branch: master, commit date: 06:10, hash: `b5d154f400` Again, everything works perfectly once Blender is closed and re-opened, but then several minutes into working, the lag returns and becomes very difficult, causing me to have to restart the program many times in a session to continue working. I haven't been able to duplicate this on a faster computer with a graphics card, but it is very noticeable on this computer. This was not an issue with the mid-January build of 2.92 I had been using before installing the release 2.92 or the current 2.93 build. So it is something that is "building up" to eventually cause the lag, but closing blender clears it out and when it starts everything is fine again. But if I close out Blender completely, then when I restart, the file behaves normally again. If I save the file, then re-open it, the lag continues. Moving an object resulted in a long lag, and undoing a grease pencil stroke resulted in a long lag. Then I continued to draw and duplicate, and at some point, everything grew sluggish (And continued that way). Everything worked perfectly, the viewport responded quickly, and undo worked with no noticeable delay. I drew a little, made some shapes, Alt-D duplicated them. Possibly also connected, undoing grease pencil is very slow.Įxact steps for others to reproduce the error Lag 02.blendīoth of these files were started from scratch with the 2D animation preset. This seems to happen when I have both 3D objects and Grease pencil strokes. Just trying to move a small cube, results in a delay of ~1 second for the object to catch up to the mouse if I quickly try to move it from one side of the viewport to the other. Worked: version 2.92 (a build from mid January)Īfter using Blender for a few minutes, the viewport gets very laggy. Operating system: Windows-10-1-SP0 64 Bits ![]()
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