GPU Niagra Issue

General Tutorial & Course Discussions
,
1

I am encountering an issue when attempting to switch the Niagara FX system from CPU to GPU.

I am importing a Houdini simulation into Unreal Engine and connecting it to Houdini Niagara FX. The simulation runs on the CPU but experiences significant performance lag. However, when I switch the system to GPU, the simulation fails to play altogether.

The clacualted Bounds Mode is switched to Fixed and Fixed bouds are set to -+5k.

2

At times, switching from CPU to GPU can generate errors, which need to be addressed; sometimes, the node/system requires CPU.

Check for any nodes with errors and try to resolve alerts.

01
011920×1040 287 KB

Also, I never change the default values of the fix bounds, so I don’t even know the impact; but ±5000 seems like a lot. Ignore this bit if you know the significance of the 5000, though.