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Learn practical techniques for profiling, debugging, and optimizing Niagara VFX systems in Unreal Engine through this 47-minute conference talk from Unreal Fest Orlando 2025. Discover how to manage the cumulative performance cost of multiple visual effects systems, from muzzle flashes to ambient dust, particularly on platforms with limited processing cores. Explore real-world optimization examples using Epic's profiling tools and frameworks, including Effect Types, Effect Budgets, and the experimental Data Channels feature, alongside system pooling strategies. Master the decision-making process between persistent and dynamically spawned systems, implement scalability settings within Niagara, and configure effective pooling systems to maintain visual quality while optimizing performance across diverse gaming environments.
