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In heterogeneous computing system, processing is not only in the CPU. Some tasks can be delegated to devices working in parallel. When mixing network activity with task processing there may be the need to put in communication the CPU with the device in order to synchronize operations. The purpose of this flag is to allow the CPU and the GPU to exchange ACKs. A possible use-case is described below. CPU: - Trigger some task on the GPU - Prepare some data - Signal to the GPU the data is ready updating the communication flag GPU: - Do some pre-processing - Wait for more data from the CPU polling on the communication flag - Consume the data prepared by the CPU Signed-off-by: Elena Agostini <eagostini@nvidia.com>
DPDK is a set of libraries and drivers for fast packet processing. It supports many processor architectures and both FreeBSD and Linux. The DPDK uses the Open Source BSD-3-Clause license for the core libraries and drivers. The kernel components are GPL-2.0 licensed. Please check the doc directory for release notes, API documentation, and sample application information. For questions and usage discussions, subscribe to: users@dpdk.org Report bugs and issues to the development mailing list: dev@dpdk.org