Apparently the Visual Studio solution generated by premake was not building with multiple cores despite the script adding the /MP flag. This was due to the /Gm (Minimal Rebuild) flag still being enabled. With the flag now disabled in the premake script, the generated Visual Studio solution can now properly build with multiple cores.
Apparently the Visual Studio solution generated by premake was not building with multiple cores despite the script adding the /MP flag. This was due to the /Gm (Minimal Rebuild) flag still being enabled. With the flag now disabled in the premake script, the generated Visual Studio solution can now properly build with multiple cores.