As per subject, in other projects like Collatz and the like, it is possible to set per-project custom parameters in order to optimise calculations based on ROPs, Cores, etc.
I didn't find a specific file for Enigma@home. Is there any?

I'm using app_config.xml to run two copies of the software on my 1050.

<app_config>
<app>
<name>enigma_cuda</name>
<max_concurrent>3</max_concurrent>
<gpu_versions>
<gpu_usage>.500</gpu_usage>
<cpu_usage>1</cpu_usage>
</gpu_versions>
</app>
</app_config>