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What we need is a GPU-friendly data compression approach that can scale performance as GPUs become wider and more parallel. The next stage is Process the Emotion, which focuses on making sense of the emotion that surrounds performance and is split into six phases. This stage will celebrate the positive and explore what was challenging. It will also highlight strengths and skills which can be utilised in the next steps. All threads in the SIMD group share the decompression state. The formatting of the bitstream is carefully constructed to enable highly optimized cooperative processing of compressed data. Bryan Langley, Group Program Manager for Windows Graphics and Gaming Getting started with DirectStorage in RTX IO drivers
The four phases of the decompression process are as follows and the EIS Psychology Team will facilitate guidance around ‘Time Zero’ (stage 2) and training on ‘Process the Emotion’ (stage 3): Load times. They are the bane of any developer trying to construct a seamless experience.Trying to hide loading in a game by forcing a player to shimmy through narrow passages or take extremely slow elevators breaks immersion. Try to keep disk files accessed by DirectStorage separate from files accessed by other I/O APIs. Shared file use across different I/O APIs may result in the loss of bypass I/O improvements. Custom NVME SSD: The foundation of the Xbox Velocity Architecture is our custom, 1TB NVME SSD, delivering 2.4 GB/s of raw I/O throughput, more than 40x the throughput of Xbox One. Traditional SSDs used in PCs often reduce performance as thermals increase or while performing drive maintenance. The custom NVME SSD in Xbox Series X is designed for consistent, sustained performance as opposed to peak performance. Developers have a guaranteed level of I/O performance at all times and they can reliably design and optimize their games removing the barriers and constraints they have to work around today. This same level of consistent, sustained performance also applies to the Seagate Expandable Storage Card ensuring you have the exact same gameplay experience regardless of where the game resides.
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Modern games require a significant amount of data to create the realistic worlds and universes that gamers experience. To enable the processor to work at its optimum performance, all of this data must be loaded from storage into memory. The explosion of massive, dynamic open-world environments and living, persistent worlds with increased density and variety has only increased the amount of data required. From environmental mesh data, high polygon character models, high resolution textures, animation data, audio and video source files and more all combine together to deliver the most immersive game play environment for the player. Knowledge of how GDeflate works can inform decisions about appropriate stream sizes. First, GDeflate splits the uncompressed stream into 64 KiB-sized tiles. Each tile is compressed separately. This provides the first level of parallelism – for CPU decompression, each tile can be decompressed by a different thread, and for GPU decompression, each tile can be decompressed by a single thread group. For the second level of parallelism, GDeflate arranges the data within a tile so that multiple lanes within a thread group can work in parallel on decompressing that tile.
Also, 64 KB happens to be the standard tile size for tiled or sparse resources in graphics APIs (DirectX and Vulkan), which makes GDeflate compatible with future on-demand streaming architectures leveraging these API features. However, a note I would say is in previous games, any semblance of warping or shifting instantly was likely because that part of the level exists, it's just in a place you would never normally get to. Source engine games for instance have a maximum map size of about 2048 feet in all directions (although this somewhat misleading, since the map size is 32,768 units in each direction and the defacto scale is 16 units = 1 foot). You can fit a lot of stuff in that volume.
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Set aside some R&D time after the release for understanding and experimenting with GPU decompression. With GPU-accelerated GDeflate decompression, the system can deliver effective bandwidth well in excess of what’s possible without applying compression. It is effectively multiplying data throughput by its compression ratio. The CPU remains fully available for performing other important tasks, maximizing system-level performance. As you could guess from its name, GDeflate builds upon the well-established RFC 1951 DEFLATE algorithm, expanding and adapting it for data-parallel processing. While more sophisticated compression schemes exist, the simplicity and robustness of the original DEFLATE data coding make it an appealing choice for highly tuned GPU-based implementations.
A: DangerZone appears to generate most of their geometry on the fly a la Minecraft. While this is impressive, certainly, it isn't at all comparable to loading data from the disk. CPUs (even Intel Core 2 Duos) can spin out meshes faster than even most SSDs can, let alone hard disks. This is an early preview of the sample; performance numbers vary with different workloads/hardware. Due to the additional graphics features added to the PC port, on top of the game's already great visuals, the game's system requirements are quite beefy. The game requires up to a RTX 4080 if you want to max out the game's visuals at 4K. Surprisingly, the storage requirements are quite decent for a game featuring GPU decompression support. The minimum requirement doesn't even demand an SSD (though the developers do recommend one), requiring just 75GB of hard drive space if you have it. But if you want to play the game at anything higher than low-quality settings, the system requirements suggest that you upgrade to an SSD to do so.
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Storage Device: DirectStorage enabled games will work on all devices (. You’ll need an NVMe SSD, where the bandwidth capabilities are much higher and the storage media itself is faster, to see the significant improvements of DirectStorage. We highly recommend ensuring your game files are saved to an NVMe to get the best gaming experience. Figure 2. Processing cycles of various data compressed formats compared to varying staging buffer sizes RichardtST said:Y'all are just slow and need to learn how to code. DangerZone has been doing instant dimension changes for years. In java. On spinny drives. On Intel Core 2 duo. With integrated graphics. When properly applied, the KISS PRINCIPLE (along with a heaping helping of cleverness) can do absolute wonders.Assuming you're talking about this DangerZone (https://www.orespawn.com/), then this comparison is just silly. For more information about general best practices, see Using DirectStorage and the DirectStorage 1.1 Now Available Microsoft post. Deciding the staging buffer size Rolling this decompression work out across the EIS will allow everyone to process the Olympic and Paralympic Games, something our staff have worked towards and contributed to during this unique cycle, whilst tying into our values of We Care and We Collaborate.
The technology this game boasts has always confused me. It simply looks like a more advanced version of portals or non-contiguous zone transitions found in older game engines. I know I've seen this sort of shifting in UT2004 and HL2 maps, although a much more primitive version of it based off scripted events or static boundaries. No DirectStorage required.The difference I believe, is how they're filling memory. Older techniques would essentially have two levels in memory at any given time. That way you could switch immediately, by just teleporting the player, at the cost of cutting your maximum level size in half. Insomniac appears to be switching between full-scale 10-12gb levels on a console with only 16gb of memory. Which means they only have one level in memory at a time. The amount of GPU decompression work given to the GPU can be controlled by the number of requests being made. This is like the way that games currently scale level of detail for rendering on different hardware configurations. A many-core SIMD machine consumes the GDeflate bitstream by design, explicitly exposing parallelism at two levels.
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We will be providing more API specifics and documentation with the release coming soon, here are a few ways developers can start planning now: Nov 1st 2023 Microsoft Windows 11 23H2 Major Update Begins Rolling Out, Bets Big on Generative AI (84) benefit to this is that you no longer have lots of assets taking up memory while just sitting their waiting to be used, which in turn can potentially reduce the amount of VRAM required by the game. When DirectStorage performs GDeflate decompression on the CPU it uses its built-in decompression system. This uses a Windows threadpool to support multi-threaded CPU decompression. The NumBuiltInCpuDecompressionThreads field in DSTORAGE_CONFIGURATION can be used to control how many threads are assigned to this. When the CompressionFormat field on DSTORAGE_REQUEST_OPTIONS is set to DSTORAGE_COMPRESSION_FORMAT_GDEFLATE, DirectStorage will decompress the stream using GDeflate
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