I have a document with some large images that suddenly switches my view to CPU Preview shortly after opening, or sometimes when zooming. It'll freeze for a moment before switching to CPU, and GPU Preview will be greyed out. I was able to fix this temporarily by switching to Outline, saving, then closing and reopening the file, but it keeps happening regardless. Does anyone know what's causing this, or how to fix it?
Very well known issue that a lot of us are dealing with right now, I've submitted sample artwork to Adobe and they've said that they are looking into it. I can confirm that this problem is still happening even on the latest version of Illustrator (27.2)
What file format are the images, do they have spot color channels? I would recommend .PSD and link to them. CMYK jpgs for example can be problematic. PSD has nonlossy compression and puts the least stress on your system while retaining full quality.
Sorry to hear about this experience. Would you mind sharing some more details, like the exact version of the OS/Illustrator installed on your computer and a sample file, so that we can investigate this further?
Please tell us your system and hardware details, the version of Illustrator and when this happens - incase this is always happening when you do a certain thing in Illustrator.
Is there an update for your graphic card driver available?
My little research has shown that the preview mode changes if the cmyk document contains cmyk images. In a cmyk document with rgb images or an rgb document with rgb/cmyk images, there is no gpu to cpu preview switching when zooming. I think it's a bug. My system: i58400, 32 Gb, GTX1650, Asus PA329C, windows 11, Illustrator 27.2
I found that this bug also happens when you have for example a CMYK Document that has an embedded image that doesn't match the document mode -- for example working in a CMYK document and having an image that's in Grayscale or Black/White mode -- immediately causes the GPU setting to die. If the BW image is converted to CMYK either in photoshop or illustrator, GPU works fine. My problem is that previous versions of illustrator just ignore this problem and work -- while all new versions just stop even on the exact same file.
Hello! On my system, this bug appears only in a CMYK document with CMYK images, the video shows that I first open and zooming in a CMYK document with RGB images and everything works as it should. Maybe your system behaves differently.
The GPU acceleration bug is still present in this version, some files immediately switch to CPU and can't get GPU performance back again. Last version that worked was 26.2.1. Please fix.
I just watched your video that you posted and I can say 100% that the bug has something to do with using CMYK and/or RGB artwork together in the same document. I guarantee if you try work on that file in Illustrator 26.2.1 that bug will not affect you.
Hi Anubhav, I can confirm the GPU bug is still present in every single version of illustrator past 26.2.1 and that includes 27.3.1 with out any doubt. I'm not sure why this isn't getting any more attention, working with out the GPU in Illustrator is a huge bug.
We are sorry to hear that you're still experiencing this issue. Our product team has worked hard to address this in version 27.4.1, but GPU configurations & workflows can vary greatly.
Would you mind telling us what actions you performed before the GPU switch to CPU and confirming your system specifications, including CPU, GPU make & model, and OS version with build number? We'll do our best to help you resolve this issue.
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