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L3DT Professional will run some calculations on multiple parallel threads to make the most of multi-core systems.
At the time of writing, the following calculations support multi-core processing:
More calculations will be multithreaded in future releases.
When multithreaded calculations are in progress, you will see multiple progress cursors in the progress display window:
Please refer to this dev weblog post for the most recent multi-core performance benchmarks.
To enable, disable or otherwise change the multithread settings in L3DT, use the 'Settings→Multi-thread settings…' option in the L3DT menu. This will open the multithread settings window, shown below:
The controls are as follows:
The maximum number of cores currently supported by L3DT Professional is 8.
By default, L3DT will use 100% of all enabled cores. If you would like to limit the core usage, please use the CPU throttle.
The multithread settings window is only available in L3DT Pro 18.104.22.168 or later (10th of Mar, '08). To enable or disable multithreading in older versions of L3DT, please refer to this user-guide page.
1) Added 6 Sept 2011, L3DT 11.09 developmental build 2.
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