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If a preset uses more than 95% of the CPU capacity (in fact it's a DSP, two of them), a warning may appear on the screen, and/or you'll hear crackling in the sound.
Even if you haven't reached the limit yet, there may be an unpleasant surprise when connecting the Axe-Fx to a computer via USB, because that connection will increase the CPU utilization.
So here are various ways to decrease CPU utilization.
Wiki: CPU utilization
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Even if you haven't reached the limit yet, there may be an unpleasant surprise when connecting the Axe-Fx to a computer via USB, because that connection will increase the CPU utilization.
So here are various ways to decrease CPU utilization.
- Remove unnecessary effect blocks. Note that removing a 2nd Amp block doesn't have much impact.
- Switch off the preset Noise gate (Layout menu, Threshold parameter).
- A shunt also uses processor cycles. So if you have parallel paths, instead of routing all the way to the end try to merge the paths earlier.
- Don't use an expression pedal. When using an expression pedal CPU usage will increase slightly because of MIDI traffic.
- If you don't use Cab simulation at all, for example because you're using a power amp and traditional cabinet, switch it off globally (Global menu). This will save a lot of CPU capacity.
- Switch a Cab block from HiRes to UltraRes. Saves CPU capacity and higher resolution.
- Try other types of the same effect. Some types within an effect uses substantially more CPU than other types. For example, Spring Reverb uses far less CPU than Studio.
Wiki: CPU utilization
To get a list of all Wicked Wiki threads: type "Wicked Wiki" in the Search box.
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