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DMA Cuda

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Merged Nicolas Denoyelle requested to merge dma_cuda into staging Jul 10, 2020
  • Overview 9
  • Commits 3
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  • Changes 11

Add a simple dma with cuda backend. A dma contains a cuda stream and a request queue. One dma can issue one type of request: device to host, host to device, or device to device.

This merge requests changes existing files:

  • configure.ac: For efficiency cuda callbacks are used and require recent drivers. The critical function from latest runtime library is used to check for cuda support at compile time.
  • layout cuda: A field device id is used. In case of a dma from device to device, we need to keep track of which device are used to call underlying cudaMemcpyPeerAsync(). Also fix header guards name.
  • area cuda: Add missing guards in header.
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Source branch: dma_cuda