Re: [dpdk-dev] [PATCH v1 0/2] introduce asynchronous data path for vhost

2020-06-26 Thread Maxime Coquelin
Hi Patrick, On 6/11/20 12:02 PM, patrick...@intel.com wrote: > From: Patrick Fu > > Performing large memory copies usually takes up a major part of CPU > cycles and becomes the hot spot in vhost-user enqueue operation. To > offload expensive memory operations from the CPU, this patch set > propo

[dpdk-dev] [PATCH v1 0/2] introduce asynchronous data path for vhost

2020-06-11 Thread patrick . fu
From: Patrick Fu Performing large memory copies usually takes up a major part of CPU cycles and becomes the hot spot in vhost-user enqueue operation. To offload expensive memory operations from the CPU, this patch set proposes to leverage DMA engines, e.g., I/OAT, a DMA engine in the Intel's proc