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NEURAL PROCESSING UNIT (NPU) DIRECT MEMORY ACCESS (NDMA) MEMORY BANDWIDTH OPTIMIZATION
NEURAL PROCESSING UNIT (NPU) DIRECT MEMORY ACCESS (NDMA) MEMORY BANDWIDTH OPTIMIZATION
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机译:神经处理单元(NPU)直接内存访问(NDMA)内存带宽优化
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摘要
A neural processing unit (NPU) is described. The NPU includes an NPU direct memory access (NDMA) core. The NDMA core includes a read engine having a read buffer. The NDMA core also includes a write engine having a write buffer. The NPU also includes a controller. The controller is configured to direct the NDMA core to perform hardware memory bandwidth optimization for reading/writing NDMA data in the read buffer and/or NDMA data in the write buffer. The NDMA core is also configured to transparently combine NDMA transaction requests for a data stripe to increase local access to available tensors in artificial neural networks.
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