ID 375759 - [Windows] Live Render updates are significantly slower on Windows than on Linux

Problem summary
When manipulating a scene during a Live Render, updates in the Monitor are delayed significantly on Windows while they are much more responsive on Linux.

Customer reported version
Katana 3.1v1

Customer reported platform
CentOS 6

Steps to reproduce

1. Launch Katana and load the "Hello Pony" example project.
2. Start a Live Render.
3. Expand the scene graph.
4. Look through /root/world/camera/cam in the Viewer and start to move the camera around.

Expected behaviour
The Live Rendered image updates in the Monitor. The updates on Windows and Linux happen at roughly the same speed.

Actual behaviour
The Live Rendered image updates in the Monitor. The updates on Windows are significantly slower than on Linux.

Workaround
Unknown.

Reproduced by support
Katana 2.5v1 - Windows 10 - CentOS 7.4
Katana 2.5v7 - Windows 10 - CentOS 7.4
Katana 2.6v1 - Windows 10 - CentOS 7.4
Katana 2.6v4 - Windows 10 - CentOS 7.4
Katana 3.0v1 - Windows 10 - CentOS 7.4
Katana 3.0v6 - Windows 10 - CentOS 7.4
Katana 3.1v1 - Windows 10 - CentOS 7.4

Earliest version tested
Katana 2.5v1 - No Windows support before this version