Advanced PVA Optimization Techniques

This section delves into advanced techniques for optimizing vision processing tasks on the PVA. It explores methods to enhance performance for operations like Region of Interest (ROI) extraction and alignment, crucial in modern neural networks.

Key topics include leveraging the GatherScatter Dataflow (GSDF) for efficient data handling of dynamically located ROIs, utilizing the Sampler APIs and the Decoupled Lookup Table Unit (DLUT) for accelerated bilinear interpolation with fractional coordinates, and optimizing the ROI Align layer implementation on the VPU.

Further optimizations such as ping-pong buffering for DMA, DMA phasing, and concurrent execution of Sampler tasks with VPU processing are also covered to achieve maximum throughput and efficiency.

This section includes the following tutorials:

• Region of Interest (ROI) Gather via GatherScatter Dataflow (GSDF)

• Accelerating Bilinear Interpolation via the Sampler APIs

• ROI Align Layer on VPU

• ROI Align Optimization on PVA