4results about How to "Reduce context switching" patented technology

The invention relates to the technical field of lock scheduling prediction, in particular to a lock scheduling condition-based lock strategy adjustment method and a terminal, and the method comprises the steps of obtaining historically collected system operation data which comprises lock scheduling data, system load data and system scheduling overhead data; training a machine learning model according to the historically collected system operation data; predicting the contention degree of the lock in real time according to the trained machine learning model to obtain a prediction result; adjusting a scheduling strategy of the lock according to the prediction result; according to the technical scheme, the contention degree of the lock can be intelligently predicted, then the lock strategy is dynamically adjusted, the balance between high performance and fairness is achieved, the optimization of the lock scheduling strategy is achieved, unnecessary spinning and context switching can be reduced, the CPU use efficiency is improved, and therefore the overall stability and response capacity of the system are improved.

The invention relates to the technical field of lock scheduling prediction, in particular to a lock scheduling condition prediction method and a terminal, and the method comprises the steps: obtaining historically collected system operation data which comprises lock scheduling data, system load data and system scheduling overhead data; training a machine learning model according to the historically collected system operation data; predicting the contention degree of the lock in real time according to the trained machine learning model to obtain a prediction result; and adjusting the scheduling strategy of the lock according to the prediction result. According to the technical scheme, the contention degree of the lock can be intelligently predicted, then the lock strategy is dynamically adjusted, the balance between high performance and fairness is achieved, the optimization of the lock scheduling strategy is achieved, unnecessary spinning and context switching can be reduced, the CPU use efficiency is improved, and therefore the overall stability and response capacity of the system are improved.

The invention relates to a message communication processing method and device and electronic equipment, and the method comprises the steps: obtaining a first physical address of first original message content under the condition that the first original message content corresponding to any to-be-sent message is received; in the process of accessing the first preset memory based on the first user mode driver, determining a first storage space from a preset sending queue of the first preset memory based on the first preset configuration information, and storing the first physical address in the first storage space; in the process of accessing the first preset memory based on the first network card hardware, under the condition that it is detected that any idle storage space in a preset sending queue is occupied, based on second preset configuration information, taking out the first storage space from the preset sending queue, and analyzing the first storage space to obtain a first physical address; and sending the to-be-sent message based on the first physical address and the first network card hardware. According to the embodiment of the invention, the problem of time delay uncertainty in a message transmission process can be solved.

The application discloses a virtual RDMA device based on DPDK and a use method thereof. The virtual RDMA device based on DPDK comprises a front-end virtio-rdma device, which is used for receiving an RDMA device operation request initiated by an application program in a virtual machine, encapsulating the request as an instruction conforming to a virtio protocol, and sending the instruction to a back-end vhost-user- rdma device through a vring; and the back-end vhost-user- rdma device is used for simulating the function of a real RDMA network card, the device can acquire and analyze the instruction conforming to the virtio protocol from a circular queue vring, execute corresponding RDMA device operations, and return the operation results to the front-end virtio-rdma device through the vring. The application can get rid of the dependence on the real RDMA device, and can improve the resource utilization, system flexibility and safety.