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Application Optimisation and Theading

There are two thread preference settings available. The recommended settings are :

Parameter Value
renderFrameThreads Number of CPU Cores (see below)
renderTileThreads 1

These recommendations are set automatically on fresh new installs of the latest version where a preference file does not exist. If the preferences exist, the settings inside will be used. It is best to let the application create a brand new preference file by moving any existing one out of the way.

The renderFrameThreads and renderTileThreads parameters are available in the preference file and via the GUI Preferences / Rendering section.

If the application starts running out of memory for rendering, one way to mitigate this is to try reducing the number of Frame threads.

Optimising Performance and Threading

These thread settings may not be optimal for your specific workflow. For best performance, you should analyse and benchmark your workflow using a variety of thread settings and select the settings that work best for you.

Optimising threads can have a big impact on render speed so it is a good idea to undertake some tests before starting a job.

To determine the number of cores and an optimal value for renderFrameThreads, see the FAQ.