Raw Photo Performance M1 Mac mini (8GB)
What is the expected time to fully open a Canon R6 Raw Image or similar?
I'm asking because the latest version on On1 that was released today takes roughly 13-14 seconds to fully load a raw image with my M1 Mac Mini (8GB of ram).
I'm really confused because the same image only takes 2-3 seconds to load using Pixelmator Pro on the same machine. It also opens really quickly using the OS/X preview.
The 14 seconds is the time from when I click the right arrow (to go to the next image) till the time the filename at the top changes to the correct file name (when it fully loads).
The 14 seconds is way too long to use for the purpose of throwing out bad images, and scoring images. So I'm assuming I'm doing something wrong.
I did send a tech support request and they said it's how the raw engine functions, and they don't have internal benchmarks I can compare against.
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I have a 16GB M1 Mac Mini. I just timed the opening for the 1st time of a 52.3MB CR3 file from my R5 and it took 3 seconds.
The other programs you mentioned are most likely displaying just the embedded jpeg preview and are not having to load and demosaic the entire file.
Are you viewing the photos in Accurate or Fast mode? Try setting it to Fast. The setting has been moved to the bottom of the View menu.
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My understanding is the embedded JPG is a really low quality image intended to used as just a tile image. I can try stripping it out to see what it looks like, but the performance of opening with Pixelmator matches the speed you're getting with your Mac Mini with a much larger image size. The Canon R5 is 45MP versus 20MP for the Canon R6.
I did try switching it from Accurate to Fast, but I think this is just the browser view and doesn't actually impact the opening. It didn't change the speed of fully opening it.
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There are other factors at play here. 1st is I have twice the RAM of your system. I also have my photos on an SSD and I've moved both the program's Scratch space and the Perfect Browse Cache to a 2nd SSD that isn't used for anything else.
I assume you have your photos and the all the program's working space on your internal SSD? That's a lot of I/O competing for the same drive which causes a bottleneck and things slow down.
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On 16 Gbyte M1 iMac in filmstrip view and preview set to Accurate I can move from image to image with minimal delay, albeit with 16/20 Mbyte M4/3 raw files. It does slow down when it comes to an image that I have edited, including turning on NoNoise, but that is to be expected given it has to apply NoNoise and all the adjustments with masks that are applied to image.
I have split images and scratch files over two external SSD disks and all my folders are catalogued.
I can't see a way to open an image in Pixelmator other than an image at a time, so no way to do the same thing in Pixelmator as a comparison. I believe that Pixelmator uses the Apple RAW engine, so performance should be similar to native OS applications like Finder.
These will be built on top of Apple libraries that are closely integrated with the features of the new M1 chips, as is Pixelmator itself. So everything working together to give such high performance. To provide an application that can run on both Windows and Macs On1 was built on top of third party libraries that are available on both platforms. 2022.1 is supposed to have been tailored to improve use of M1 GPUs so it is possible that there is a gradual move to use of libraries that are build for Apple Silicon, either new versions of the third-party libraries of use of Apple's own libraries such as Metal to bring performance up to Mac only applications like Pixelmator.
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What I find truly odd is it opens R6 files within 2-3 seconds that are available online, but it takes 13-14 seconds to open mine.
These images it only takes a couple seconds on.
https://www.dpreview.com/sample-galleries/6671206782/canon-eos-r6-sample-gallery/4147873958
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Are you using compressed RAW, and if so are the images in the sample gallery also using compressed RAW. If your images are compressed then On1 has to do the decompression before it can even start demosaicing the RAW data.
As I am not a Cannon user I have not got myself involved in the issues with handling compressed RAW files but the impression I get from what I have seen is that Cannon have not been very forthcoming with the information that companies like On1 need to handle compressed images, and they have had to work it out for themselves and that could mean that decompression is not as efficient as it could be. Perhaps Apple have been supplied with more information?
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Here is one of my images. https://www.icloud.com/iclouddrive/022fuAZTF04RcEq7qOI-wrTTQ#0C7A0519
Note: It says pending approval.
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I'm using RAW, and not CRAW.
I'm going to try to find more R6 examples that I can try. I know Canon raw is really annoying because they're not forthcoming. I tried in vane to find a Ubuntu application that would open them, but didn't find anything anywhere close to what On1 is or Pixelmator.
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It's taking my system about 14 seconds to open your photo Jason. I can't explain the difference between your R6 file and the one from my R5. You'll have to ask tech support about it.
How to submit a problem to ON1 Tech Support - A Step-by-step Guide
You might want to include the download link to your file and possibly the link to this discussion in your support request.
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I'm throughly confused now.
Yesterday I sent an email to tech support due to the long loading time because 14 seconds was just insane. That didn't get any traction.
This thread has had a lot of traction with the help from you, and David.
As a result of <to_be_determined> my system can open certain R6 files from the web, and images that I've taken myself in 2-3 seconds. I didn't change anything except toggling the Fast/Accurate preview. and then putting it back to accurate along with trying other images.
But, there are images like the one I uploaded that it has issues with and I don't understand why. I prefer RAW only, and I haven't touched that setting.
I think I'll attach an image or two to the support ticket of images that it opens quickly to try to figure out what's bugging out with On1 on the slow images.
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My first thought was it has something to do with the image content and possibly exposure kind of stuff? What does one of the photos that open quickly look like? How does its file size compare with one of the slow opening files? I've noticed a variation in the size of my RAW files but I haven't looked for any patterns to the size differences. Know I'm wondering if it has any relationship with the histogram.
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It could possibly have to due with the lens. Here is an image where it opens it in 2-3 seconds. I don't believe I changed any file settings, but I'll have to take some new test images with my various lenses to make sure.
Edit: Both the slow loading image, and the fast loading image were taken with the same 11-24mm lens so that's not the culprit.
https://www.icloud.com/iclouddrive/0254h4hj35gt7J5gm3PAD-gCg#0C7A0466
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Jason, I downloaded this and the change from Browse to Edit was almost instantaneous. My faster opening might be down to having 16 Gbytes, but either way no real delay.
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David, which one did you download? 519 is the one that takes my system and Brians system 14 seconds to load, and the 466 takes my system 2-3 seconds to load.
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I've got both of them. I'll take a look later and see if I can come up with a theory for what the difference is that is causing the difference in load times.
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I've only seen the link to the 466 version, so that is the one that loads fast for me as well. If you can add a link to the other one I will try that as well.
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It's further up the page.
https://www.dpreview.com/sample-galleries/6671206782/canon-eos-r6-sample-gallery/4147873958
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That link is to a sample image that Jason said opened quickly, not his original slow loading one.
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The comment its under is still saying "pending approval"
Here is the link to the slow one.
https://www.icloud.com/iclouddrive/022fuAZTF04RcEq7qOI-wrTTQ#0C7A0519
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What's odd is the Forum is saying "pending approval" on the old comment with the link to 519, and the new comment I just made to 519.
Apparently the forum SW doesn't like 519 either. :-)
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I was able to download them both.
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Brian, is the fact that you are a moderator letting you see something that is waiting for approval? Can you try reposting the link?
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The forum is not showing either of the two posts I made showing the link to 519 to someone not logged in or to someone who isn't a mod or me.
When I login it shows them, but shows "Pending Approval" on the side. So I assumed the link needed approval from a moderator.
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Here are both files in a zip file. Maybe this will work.
https://www.icloud.com/iclouddrive/0d4xkzlz-Amx9zTzOG0-rA0_g#Test_Images
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I tried putting the two files in a zip file, but that didn't work either.
Not sure what triggers the "pending approval" on this website.
I'm surprised that a website for a Raw image editor doesn't support raw images in the Image upload so I have to upload them to my iCloud.
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The one I posted for 519 is also pending approval, sorry. Try using the 0466 link that works then replace the image portion with this: 022fuAZTF04RcEq7qOI-wrTTQ#0C7A0519
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It's the size of the raw files that prevents them from being uploaded directly here.
Just copy/paste the link that works then replace the last portion following iclouddrive/ with 022fuAZTF04RcEq7qOI-wrTTQ#0C7A0519
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Links I post sometimes get flagged pending too. We moderators cannot approve them. Kahlie has to do that.
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Thanks to Brian I have managed to download the image.
One difference between the two is that the slow loading one comes up as having been created in ProPhoto colour space and the fast loading one in SRGB.
Is this taken into account when loading a RAW image? I don't see a problem when I save TIFFS or PSDs in ProPhoto.
Tried opening the file in ACR and Pixelmator Pro and no big delays opening there.
I think you will need to upload the file to something like WeTransfer and send support the link and see what they say. I think Brian and I have confirmed that it is the opening of this file that is the issue and not something to do with your system set-up. Might just be M1 specific but I doubt it.
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