Video Generation Too Slow on RTX 3090? Seeking Workflow Optimization
equanimous11 · reddit · 2026-08-11
A developer on Reddit asked for advice on how to optimize the speed of the Bernini-r rv2v video generation workflow (integrated with LightX2V LoRA).
While testing on an RTX 3090 Ti (24GB VRAM / 64GB RAM), the user found that generating a 10-second video results in a black screen, while an 8-second video succeeds but takes an extremely long time. They have already enabled safe attention and are looking for effective suggestions from the community to accelerate video generation under limited VRAM.
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