Optimizing DX12 Resource Uploads to the GPU Using GPU Upload Heaps – NVIDIA Technical Blog News and tutorials for developers, data scientists, and IT admins 2025-04-03T18:49:37Z http://www.open-lab.net/blog/feed/ Louis Bavoil <![CDATA[Optimizing DX12 Resource Uploads to the GPU Using GPU Upload Heaps]]> http://www.open-lab.net/blog/?p=35247 2024-08-28T18:18:02Z 2021-08-11T22:00:12Z This post was updated on May 19, 2023. How to optimize DX12 resource uploads from the CPU to the GPU over the PCIe bus is an old problem with many possible...]]> This post was updated on May 19, 2023. How to optimize DX12 resource uploads from the CPU to the GPU over the PCIe bus is an old problem with many possible...

This post was updated on May 19, 2023. How to optimize DX12 resource uploads from the CPU to the GPU over the PCIe bus is an old problem with many possible solutions, each with their pros and cons. In this post, I show how moving cherry-picked DX12 UPLOAD heaps to GPU upload heaps can be a simple solution to speed up PCIe-limited workloads. Take the example of a vertex buffer (VB)��

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