Notes about Crystal Beach DMA(CBDMA)

Crystal Beach DMA(CBDMA)其实就是Intel® QuickData Technology，说白了就是offload memory copy to DMA engine，DSA代替了该技术。

FAST ‘23 paper Revitalizing the Forgotten On-Chip DMA to Expedite Data Movement in NVM-based Storage Systems也是使用了CBDMA来offload memory copy。

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参考资料:

1. NFV加速利器，CPU中的CBDMA引擎
2. Accelerating Para-Virtual I/O with CBDMA
3. Asynchronous CBDMA Enqueue Framework for vHost-User
4. Using Intel IOAT DMA
5. Intel® I/O Acceleration Technology
6. Revitalizing the Forgotten On-Chip DMA to Expedite Data Movement in NVM-based Storage Systems