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NVIDIA MLX5 Introducing Data Direct Placement "DDP" In Linux 6.13 For Boosting Bandwidth
The NVIDIA MLX5 driver for NVIDIA Mellanox ConnectX-5 network adapters is preparing to introduce a new Data Direct Placement 'DDP' feature with the upcoming Linux 6.13 kernel merge window.
With Data Direct Placement the intent is on achieving higher bandwidth by permitting responders to receive packets out of order. I have yet to see the NVIDIA engineers involved publish any performance benchmarks of the Data Direct Placement feature besides noting on the mailing lists that their results have been positive and should yield a nice improvement to bandwidth. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software.
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