Hi everyone, I have an issue that has been driving me absolutely nuts for the past few weeks. To start it off I'll give a brief introduction of the problem and an overview of my two systems.
Problem: Using the warp stabilizer on an older low spec iMac from 2017 is significantly faster than on my much higher spec'd out PC that I personally built back in late 2017 as well.
Systems: PC: My PC has an i9-7940x with 14 cores up to 4.3 GHz, 1080ti 11gb, 32 gigabytes of 3200MHz RAM, a 250gb Samsung 960 evo m.2 for the boot drive and essentials, and I regularly edit right off of a 2tb 860 evo ssd which I move around frequently, and windows 10 home 64 bit.
iMac: Not sure exactly which model of processor, but I can see the specs of it. It is a 4 core intel i7 cpu up to 4.2 GHz, a Radeon Pro 580 8gb, 16gb of 2400 MHz RAM, and a 2tb internal drive.
If you are curious as to why I have only posted about this problem now even though I built this PC a few years ago, its because although I built it back then, I never had even a decent monitor for color accuracy or resolution, so I found myself using the iMac with its 5k screen more often and my PC became more of a gaming/streaming computer until now. I have just recently picked up an ultrawide monitor with great color accuracy and I am finally making true use of the horsepower in my PC. Keep this in mind: I have absolutely no problem with exporting or playback at all, at least nothing out of the realm of what I would deem as reasonable hiccups based on the type of project I am working on. Exporting is miles faster than what is achievable on my iMac. A 3 hour 4k memorial that I recently exported from my PC took only 5.5 hours where it would have taken around 16 hours (estimating) to export on my iMac.
Now to dive deeper into the description of the specific problem: I noticed that the warp stabilizer effect when used on a clip in Premiere on my PC, was noticeably slower than than what I was used to seeing on my iMac even though it is much lower spec. To test this, I set up both computers side by side and used the same 14 second 4096x2160 60fps slog 3 ProRes file which is about 850 ish frames with no color grading or additional effects on both computers, and threw on the warp stabilizer effect and hit "Analyze" at the same time on both systems. My iMac finishes in about 6:55 minutes, whereas my PC finishes in 10 minutes flat. During the tests, my PC is sitting at about 75-80 percent usage of my 32 gigs of ram and all of it is from Premiere, at between 10-20 percent CPU usage, and between 0-5 percent gpu usage. None of my storage drives are being used at all during this either. As for my iMac, it only uses about 55-65 percent of my 16 gigs of RAM, and about 25 percent CPU usage with short spikes up to 50-55 percent. I hope you can now see where my frustration is in all this.
I have gone though the project settings several times thoroughly and havent seen anything at all related to somehow speeding it up for my PC. I have swapped the renderer from software only over to CUDA acceleration and back to software only, ran tests on each, but I get the same time result. My system is completely up to date, latest drivers installed, premiere pro is at its latest version, etc., and I still cannot figure out what could be slowing my PC down so significantly. Am I missing an "analyze effects faster" button or something of the sort? Or is it just because maybe Premiere is optimized for Mac better than it is for Windows? If anyone could offer me ANY insight into what is going on here it would be greatly appreciated. Warp stabilizer is an effect that I use very frequently as I shoot a lot of my material handheld or on stabilizers. Thank you in advance to anyone that is able to offer any help! 😄
Christian
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