Microsoft has made remarkable strides in optimizing rendering workloads, leading to notable performance enhancements, particularly for Intel’s Battlemage GPUs.
Optimization Achieved: Microsoft Enhances Rendering Performance with SER
As rendering pipelines evolve in complexity, traditional methods for managing these workloads face increasing performance bottlenecks. Microsoft has introduced a solution through Shader Execution Reordering (SER), a key feature in Shader Model 6.9. This advancement suggests that SER will become a critical component in future driver updates. Before delving into the technical aspects of SER, let’s explore the promising performance metrics revealed by Microsoft.
In Microsoft’s testing, SER demonstrated impressive results: a staggering 90% increase in frame rates for Intel’s B-series GPUs, alongside a 40% lift for the NVIDIA GeForce RTX 4090. Notably, SER isn’t an entirely novel solution; as highlighted by NVIDIA has previously integrated it into Path Tracing enhancements, achieving appreciable gains in rendering efficiency. For gamers wondering about real-world performance improvements, it’s important to note that Microsoft’s testing conditions may not fully replicate actual gaming scenarios, suggesting potential figures could vary during typical use.
SER primarily aims to enhance ray tracing efficiency, addressing the scenario where a single ray interacts with multiple objects, each needing a different shader. Historically, this scenario would result in threads waiting on each other, causing significant idle time. With SER, rays hitting various objects are efficiently stored and reordered according to spatial proximity and shader similarity, allowing for a more coherent execution process.
The combination of HitObject and SER is particularly powerful and enables reordering for execution and data coherence using information in the HitObject and additional hints supplied by the user. The result is further improved coherence potential for hit/miss processing.
– Microsoft
If you’re interested in utilizing SER, you’ll be pleased to know that it is embedded within Microsoft’s Shader Model 6.9. Utilizing this feature requires AgilitySDK 1.619 and, while there aren’t any confirmed hardware restrictions as of now, it’s anticipated that the Ada Lovelace architecture and Intel’s Battlemage GPUs will support SER.
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