Abstract: The present disclosure provides a display control method of a spliced screen including a plurality of sub-display screens, including: sending a display control signal to each sub-display screen in a wireless sending manner according to a time code signal; receiving, by each sub-display screen, the display control signal in a wired receiving manner, and reporting status information of each sub-display screen to the display controller; and controlling, by the display controller, displaying of each sub-display screen according to the status information of each sub-display screen, where the time code signal indicates a current time point; the display control signal is configured for controlling the sub-display screen to perform corresponding display processing on display content stored, so that the sub-display screens display a target display content together. The present disclosure further provides a display control device, a display system, an electronic device, and a computer readable storage medium.

Abstract: Provided is an anti-peep screen, including a passive LCD module and a color LCD module stacked along a first direction; the passive LCD module includes a first electrode layer, a liquid crystal layer and a second electrode layer, the first electrode layer comprises a first sub-electrode, the second electrode layer comprises a second sub-electrode, and the first sub-electrode is opposite to the second sub-electrode and configured to input different voltages, so as to control a light transmission state of the passive LCD module. The anti-peep display screen of the present application solves the problems of poor display effect and single anti-peep function of existing anti-peep display screens by introducing a passive LCD module. Also provided is a vehicle-mounted display device and a vehicle.

Abstract: A balance valve, a battery, and a power consumption apparatus are provided in the embodiments of the present application. The balance valve includes a body, a breathable membrane and a gas barrier structure, where the body is provided with a ventilation channel; the breathable membrane is arranged at one end of the ventilation channel; and, the gas barrier structure is arranged at the other end of the ventilation channel, and the gas barrier structure is configured to open the ventilation channel when the gas pressures inside and outside the gas barrier structure are unbalanced, so as to achieve the gas pressure balance between the inside and outside of the gas barrier structure. The balance valve is applicable to a battery, which could achieve a balance of gas pressures inside and outside the battery when there is a pressure difference between the inside and outside of the battery.

Abstract: A balance valve, a battery, and a power consumption apparatus are provided in the embodiments of the present application. The balance valve includes a body, a breathable membrane and a gas barrier structure, where the body is provided with a ventilation channel; the breathable membrane is arranged at one end of the ventilation channel; and, the gas barrier structure is arranged at the other end of the ventilation channel, and the gas barrier structure is configured to open the ventilation channel when the gas pressures inside and outside the gas barrier structure are unbalanced, so as to achieve the gas pressure balance between the inside and outside of the gas barrier structure. The balance valve is applicable to a battery, which could achieve a balance of gas pressures inside and outside the battery when there is a pressure difference between the inside and outside of the battery.

Abstract: Provided in the embodiments of the present application are a hardware performance acquisition method, and a device, a system and a storage medium. A virtual machine is additionally provided with a performance service component, which can be used as an interaction interface, and a physical machine where the virtual machine is located is additionally provided with a performance proxy component. The virtual machine can acquire a hardware performance data request by means of the performance service component, and provide the hardware performance data request to the performance proxy component by means of a performance server; the performance proxy component can acquire, according to the hardware performance data request, an incidence number that reflects the hardware performance of the physical machine; and the performance server can process associated data according to a set data processing mode, so as to obtain corresponding hardware performance parameters.

Abstract: A method and system for optimizing live migration of a virtual machine (VM) from a source server to a destination server where hardware accelerator virtualization is used. Hardware accelerator performance data is obtained while executing a workload on a virtual function at the source server. It is determined whether to transfer the workload from the source server to the destination server based on the hardware accelerator performance data. The workload is transferred from the source server to the destination server based on the determination. The hardware accelerator performance data may include an amount of output data the workload generates and an amount of input data to the workload. The hardware accelerator may be a graphics processing unit (GPU), and the workload may be a GPU workload.

Abstract: A virtualization acceleration device is deployed for a physical machine, and a virtualized peripheral controller for the physical machine is implemented on the virtualization acceleration device, so that the physical machine may call the virtualized peripheral controller to execute an operation related to an external device. In this way, a VNC server is deployed on the virtualization acceleration device instead of on the physical machine; the virtualization acceleration device cooperates with a remote control device, and the virtualized peripheral controller remotely controls the physical machine, thereby reducing resources of the physical machine consumed in the remote interaction process, which in turns improves the physical machine performance.

Abstract: A virtual acceleration device is deployed for a physical machine. The physical machine and the virtual acceleration device are interconnected through a high-speed serial bus. A serial port device for the physical machine can be virtualized and implemented on the virtual acceleration device. The physical machine can send and receive serial port data through the virtual serial port device. The physical machine only needs to transmit data to the virtual serial port device through the high-speed serial bus, and subsequent transmission actions are completed by the virtual acceleration device. With the advantages of the high-speed serial bus in the transmission speed, the transmission rate of serial port data of the physical machine can be greatly improved, which is beneficial to improving the utilization rate of CPU of the physical machine, and ensuring the stability of service performance of the physical machine.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage media, for validation of mobile device workflows. In some implementations, a mobile device application to be tested is identified. An installation of the application on each of a plurality of remote mobile devices, including mobile devices having different hardware configurations and different operating system configurations, is initiated. Usage of the application by instructing the remote mobile devices to perform a series of operations using the application is simulated. Performance of the respective mobile devices during the simulated usage is measured. A document indicating performance of the application across the different mobile device configurations is generated.

Abstract: The present disclosure relates to an automatic control type hot smoke testing system which includes a fire source system, a smoke generation system and a control system. The fire source system is used for generating fire source and includes a first tank and several liquid fuel atomizing jet burners, wherein the first tank includes an air tank which is used for providing air and a fuel control tank which is used for controlling valves, distributing fuel and inspecting flame of the burners. The smoke generation system is used for generating smoke and includes a second tank, a smoke outlet pipe, smoke cake clamps and smoke cake turntables. Smoke cakes are initially placed in the smoke cake clamps, then moved to an ignition position one by one by for ignition, and finally rotated to through hole positions of a smoke generation box to fall into the smoke generation box by the servo motor. The control system is used for controlling the fire source system and the smoking generation system.

Abstract: A predictive storage management system includes a storage system having storage devices, and a predictive storage management device coupled to the storage system via a network. The predictive storage management device includes a statistical time-series storage device usage sub-engine that retrieves first storage device usage data from a first storage device in the storage system and uses it to generate a first storage device usage trend model. A machine-learning storage system usage sub-engine in the predictive storage management device retrieves storage system implementation information from the storage system and uses it to generate a storage system implementation model. A storage management sub-engine in the predictive storage management device analyzes the first storage device usage trend model and the storage system implementation model to predict future usage of the first storage device and, based on that predicted future usage, performs a management action associated with the first storage device.

Abstract: The present disclosure relates to an automatic control type hot smoke testing system which includes a fire source system, a smoke generation system and a control system. The fire source system is used for generating fire source and includes a first tank and several liquid fuel atomizing jet burners, wherein the first tank includes an air tank which is used for providing air and a fuel control tank which is used for controlling valves, distributing fuel and inspecting flame of the burners. The smoke generation system is used for generating smoke and includes a second tank, a smoke outlet pipe, smoke cake clamps and smoke cake turntables. Smoke cakes are initially placed in the smoke cake clamps, then moved to an ignition position one by one by for ignition, and finally rotated to through hole positions of a smoke generation box to fall into the smoke generation box by the servo motor. The control system is used for controlling the fire source system and the smoking generation system.

Abstract: The present disclosure provides a liquid membrane conveying apparatus for preparing a porous membrane includes a transmission unit and a carrier unit. The carrier unit conveys a liquid membrane into a gelling solution by the entrainment of the transmission unit. The carrier unit includes a first carrier and a second carrier. The first carrier and the second carrier respectively contact with opposite edges of the liquid membrane along a conveying direction of the liquid membrane. The consistency of the pores on the two surfaces of the porous membrane is improved by using the liquid membrane conveying apparatus.

Abstract: A predictive storage management system includes a storage system having storage devices, and a predictive storage management device coupled to the storage system via a network. The predictive storage management device includes a statistical time-series storage device usage sub-engine that retrieves first storage device usage data from a first storage device in the storage system and uses it to generate a first storage device usage trend model. A machine-learning storage system usage sub-engine in the predictive storage management device retrieves storage system implementation information from the storage system and uses it to generate a storage system implementation model. A storage management sub-engine in the predictive storage management device analyzes the first storage device usage trend model and the storage system implementation model to predict future usage of the first storage device and, based on that predicted future usage, performs a management action associated with the first storage device.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage media, for validation of mobile device workflows. In some implementations, a mobile device application to be tested is identified. An installation of the application on each of a plurality of remote mobile devices, including mobile devices having different hardware configurations and different operating system configurations, is initiated. Usage of the application by instructing the remote mobile devices to perform a series of operations using the application is simulated. Performance of the respective mobile devices during the simulated usage is measured. A document indicating performance of the application across the different mobile device configurations is generated.

Abstract: A power over Ethernet apparatus is provided. The power over Ethernet apparatus includes a power sourcing equipment (PSE) controller, a main chip and a redundant controller. The PSE controller is for power allocation among ports of the power over Ethernet apparatus. The main chip is coupled to the PSE controller through a first branch and for controlling the PSE controller. The redundant controller is coupled with the main chip, and coupled to the PSE controller through a second branch to control the PSE controller when the main chip stops sending a heart-beat signal. Methods of power over Ethernet are also provided.

Abstract: A method for configuring an address table in a field-programmable gate array (FPGA), an FPGA, and a network device applying the FPGA, where the FPGA includes k storage blocks, the k is greater than or equal to the two, and the FPGA is configured to obtain a key, where the key is generated based on a first packet of a data stream, and a length of the key is equal to a key bit width of the FPGA, obtain an index number corresponding to the key, where the index number is used to search for a forwarding entry of the data stream, divide the key into k sub-keys, where each of the k sub-keys corresponds to one of the k storage blocks, determine an address entry of each of the k sub-keys in a corresponding storage block, and write a storage address to the address entry based on the index number.

Abstract: A method for configuring an address table in a field-programmable gate array (FPGA), an FPGA, and a network device applying the FPGA, where the FPGA includes k storage blocks, the k is greater than or equal to the two, and the FPGA is configured to obtain a key, where the key is generated based on a first packet of a data stream, and a length of the key is equal to a key bit width of the FPGA, obtain an index number corresponding to the key, where the index number is used to search for a forwarding entry of the data stream, divide the key into k sub-keys, where each of the k sub-keys corresponds to one of the k storage blocks, determine an address entry of each of the k sub-keys in a corresponding storage block, and write a storage address to the address entry based on the index number.