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Improving GNU Radio Accelerator Device Dataflow

Talkat FOSDEM 2021 · on Sunday, 2021-02-07· at 17:10· D.radio· [embedded-and-hardware, software-architecture]

Describes changes to GNU Radio to add generic accelerator-device support (GPUs, FPGAs, DSPs) by introducing custom buffers so GNU Radio can use device-specific/DMA buffers directly. The approach aims to eliminate double copies when moving data to/from accelerator devices and enable zero-copy data exchange between kernels on the same accelerator.

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