This approach is much more memory efficient and can deliver better looking scenes, though it does generate many more IO requests. Instead of loading large chunks at a time with very few IO requests, games now break assets like textures down into smaller pieces, only loading in the pieces that are needed for the current scene being rendered. These data loading optimizations are necessary for this larger amount of data to fit into shared memory/GPU accessible memory. Modern games load in much more data than older ones and are smarter about how they load this data. Instead of tens of megabytes per second, drives like the upcoming Xbox Series X console’s custom NVMe can deliver a blazing-fast multiple gigabytes per second. Recent advancements in SSD and PCIe technologies, specifically NVMe technologies, allow gaming PCs to have storage solutions that deliver far more bandwidth than was ever possible with older hard drive technologies. The evolution of storage technologies and game IO patterns

In this blog post, we’re going to give gaming enthusiasts more details on how it’s going to work and how it will revolutionize PC gaming. With a DirectStorage capable PC and a DirectStorage enabled game, you can look forward to vastly reduced load times and virtual worlds that are more expansive and detailed than ever. We’re excited to bring DirectStorage, an API in the DirectX family originally designed for the Velocity Architecture to Windows PCs! DirectStorage will bring best-in-class IO tech to both PC and console just as DirectX 12 Ultimate does with rendering tech. Alongside the actual console announcements, we unveiled the Xbox Velocity Architecture, a key part of how the Xbox Series X will deliver next generation gaming experiences. Earlier this year, Microsoft showed the world how the Xbox Series X, with its portfolio of technology innovations, will introduce a new era of no-compromise gameplay.

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