Kernel Fusion in NVIDIA CUDA: Optimizing Memory Traffic and Launch Overhead

来源：NVIDIA 技术博客·2026-07-11 00:41发布时间待核实

There are many ways to optimize code for GPUs. In this post, you’ll learn how kernel fusion can improve memory bandwidth and reduce kernel launch overhead,... There are many ways to optimize code for GPUs. In this post, you’ll learn how kernel fusion can improve memory bandwidth and reduce kernel launch overhead, along with multiple ways to apply it in NVIDIA CUDA code.