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Tencent Interactive Entertainment Content Ecology Department and NVIDIA In-depth Cooperation to Create a Low-Latency Ultra-large Resolution Rendering Platform-IT Home



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According to news from IT House on January 25, according to Nvidia’s official news, Tencent’s Interactive Entertainment Content Ecology Department (Content Development Department, hereinafter referred to as CDD) is in-depth cooperation with Nvidia, and is building aNVIDIA RTX A6000 + BlueField-2 DPU + Spectrum-3 switchA new generation of ultra-large resolution rendering platform based on advanced technologies such as

The teams of both sides continue to carry out technical research in the direction of ultra-low latency transmission of video streams, and integrate NVIDIA Rivermax into the production software environment.Further reduced interaction latency for ultra-high resolution rendering platforms.

According to reports, at the end of 2020, Tencent Games established the Content Development Department (hereinafter referred to as CDD), which owns multiple business lines such as virtual humans and virtual production. In November 2021, CDD built a LED virtual studio with a total area of ​​3,000 square meters in Pingshan, Shenzhen.The studio is equipped with a 40m*6m 240° curved LED facade screen, and is equipped with a canopy of more than 100 square meters that can move up and down. The LED dot pitch is 2.3, supporting high-speed shooting.

However, all industries that need to display real-time rendered content on large LED façade screens face a common challenge,That is, each rendering node is actually an independently running workstationin the actual shooting and production process, not only need to consume a lot of computing resources to render high-quality real-time content with high resolution and high frame rate, but also need to synchronize the technical parameters between all rendering nodes, and at the same time promote the presentation content of all display media .

CDD addresses these challenges by integrating the NVIDIA Rivermax overall solution. The system architecture after integration is shown in the figure below:


IT Home learned that,The new platform uses Nvidia RTX A6000 to undertake distributed real-time rendering tasks. The RTX A6000 has 48GB of video memory, which can load all the models and texture data required for the shooting scene into the video memory, and call it on demand during the shooting process. The rendering node supports multi-GPU for viewport rendering. This mode supports the author to designate a GPU to render a specific viewport, and directly copy the rendering result to another GPU for display output through NVLink. The multiple display areas synchronize the vsync signal through NVIDIA Quadro Sync II, and combine the NVAPI swapgroup / barrier technology provided by NVIDIA professional graphics cards to perfectly stitch together the rendering results.

In addition, by adding NVIDIA BlueField-2 DPU and NVIDIA Spectrum-3 switch, the entire rendering platform has the hardware capability to run the overall solution of NVIDIA Rivermax.

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