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Question by DanFrias · Jan 08, 2018 at 06:14 PM · memory managementargumentscommand line

The -systemallocator switch

I have been struggling with accurate memory profiling for some time, and in the release notes for 2017.3 (found at https://unity3d.com/unity/whats-new/unity-2017.3.0), I noticed the following bullet point:

 `Kernel: Added new argument -systemallocator. This disables Engine management of allocations, and instead uses system allocations. This is useful when using external tools for memory debugging.`

I have a question about the usage of this switch. Is this switched passed as a command line parameter when running the Unity executable? If so, this presumably means it only applies to the editor and not to any builds created. I have passed this as a command line argument but I see no difference in my profiler, and additionally it is not listed in the list of command line arguments on the Unity help page (https://docs.unity3d.com/Manual/CommandLineArguments.html).

Given that the only documentation I can find about this switch is what is the snippet I pasted above from the release notes, can anyone shed any light on this? Thank you.

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