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Autodesk flame 20223/19/2023 ![]() ![]() The video disk, PowerScale F800, delivered enough performance.īy contrast, with the file system mounted using TCP, there were many dropped frames in the broadcast output. While running the tests with both TCP and RDMA, the “video disk” never dropped frames. Debug mode displays dropped frame counters for video disk (PowerScale), GPU, and broadcast output. ![]() The real-time playback test consists of playing back challenging material with debug mode enabled in Flame. On the PowerScale F800 cluster, streaming mode was enabled for directories with video files and filename-based prefetch configured for directories with image sequences. On the Dell workstation, system BIOS was configured for performance mode and the Flame 2022 ISO installed. The full suite of Flame 2022 tests was run against a 4-node PowerScale F800 cluster connected using 40 GbE to a Dell Precision 7920 workstation. With this test, the extra CPU cycles afforded by RDMA resulted in a major improvement in broadcast output. One notable exception was real-time playback of 59.94 frames per second 4K DCI material. Often the differences between TCP and RDMA were minimal because workstation bottlenecks were reached before storage performance. Workstation CPU and GPU utilization were more of a limiting factor in these tests than storage performance. The qualification of PowerScale and OneFS 9.2 with Flame 2022 provided a perfect chance to compare TCP and RDMA performance. To verify systems can meet Flame’s requirements, Autodesk has implemented a regimented qualification process for Flame. Flame is demanding both in terms of workstation performance and storage performance.
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