BUG: Kontakt using higher than expected CPU usage on Mac in Cubase or Standalone
First please allow me to copy the post from the old forum:
I've been trying to use Tokyo Strings patch (around 10 to 14 GB RAM consumption) in Kontakt Player for days, and I found that:
When using Kontakt Player as standalone, as a Cubase Pro 11.0.41 plugin, or as a Vienna Ensemble Pro 5 instance, all gets CPU meter peaked and audio cut, while the activity monitor displays only around 5% of CPU usage, small RAM usage in terms of percentage, and megabytes of disk/SSD read operation. Also, the environments and settings I've been using are listed at the bottom, which are definitely good enough.
The weird thing is that only when using Kontakt Player as a Pro Tools plugin, it works as expected, being able to play the patch smoothly, with way more than sufficient CPU and RAM. So this ruled out the possibilty of having BUG on the VST, DAW, VE pro, hardware or anything else, lefting Kontakt Player the most suspicious source of this behavior.
Buffer size setting (barely enough for 512, not working for anything below, which shouldn't be happening since the hardware configuration is definitely good enough for lower buffer size, as shown in Pro Tools)
DAW setting (e.g.: power scheme, ASIO-Guard, etc.)
Output device setting
Thank you! Have been working on this for days, and I would really appreciate your help!
2 Computers, both using Kontakt Player 6.6.1
computer1: Mac Pro macOS Catalina 10.15.7 3.3GHz 12 cores Intel Xeon W, 640GB RAM. SSD around 7G/s reading speed.
computer2: Mac Pro macOS Big Sur 11.5.1 3.3GHz 12 cores Intel Xeon W, 128GB RAM. SSD around 2G/s reading speed.
All kinds of ASIO drivers, including Built-in, Dante Virtual, RME, HDX, Pro Tools, etc.
All sample rates set to 48k and all buffer size set to 128.
Problem Solved. But this is definitely a BUG.
Does not work:
Cubase + Kontakt Player
Standalone Kontakt Player
VEPro5 + Kontakt Player
Cubase + KOMPLETE KONTROL + Kontakt Player
Pro Tools + Kontakt Player
KOMPLETE KONTROL + Kontakt Player
VEPro7 + Kontakt Player
VEPro7 + KOMPLETE KONTROL + Kontakt Player
Above contents are copied from old post. Now I am running into probably the same problem on my personal laptop:
Kontakt 6.6.1 (NOT Player)
Mac Pro macOS Monterey 12.1 10 cores Apple M1 Pro, 16GB RAM. SSD around 4G/s reading speed.
Buffer size 2048
I am trying to open all four multi-mic instruments from Cremona Quartet (around 13GB RAM in total). However, it has no problem loading but is taking way higher CPU usage than the same setting on a Windows computer, or outside of Cubase. Though personal laptop is not as powerful, as the same as previous problem, there is still abundant CPU resource available on activity monitor while the Kontakt instance peaked its CPU usage. The same thing happens with fewer instruments (2 out of 4), it can be run smoothly then but the CPU usage is still about 2x or 3x higher than expected, compared to the same setting on a Windows computer.
The problem is, for the previous post, the problem was solved by using VEPro7 or KOMPLETE KONTROL as an intermediate container. However, my personal laptop does not have VEPro7, and KOMPLETE KONTROL does not have a VST3 version required to run in Cubase 11 on Mac with Apple M1 chip. So currently I have no solution to this problem and can not do anything on my new personal laptop.
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