220 results about "Virtual appliance" patented technology

The invention provides a deep learning large model training method and system for heterogeneous equipment, belongs to the technical field of model training, and aims to solve the problem that a heterogeneous GPU cluster cannot be effectively utilized when a traditional scheme is used for training a deep learning large model. Different network layers of a deep learning large model to be trained are divided into a plurality of stages, forward propagation and back propagation calculation of all network layers in each stage is executed by independent virtual equipment, and meanwhile, utilization of GPU resources of different structures is coordinated in combination with a proposed hybrid parallel training strategy, so that efficient model training is realized.

Techniques are described for communications in an L2 virtual network. In an example, the L2 virtual network includes a plurality of L2 compute instances hosted on a set of host machines and a plurality of L2 virtual network interfaces and L2 virtual switches hosted on a set of network virtualization devices. An L2 virtual network interface emulates an L2 port of the L2 virtual network. IGMP configuration is distributed to the L2 virtual switches. A control plane of the L2 virtual network coordinates IGMP configuration across the L2 virtual switches.

Various embodiments of the present invention relate to a system for providing financial transaction services in conjunction with a metaverse environment and a method of operating the same. According to various embodiments of the present invention, the present invention may provide financial transaction services that may improve user convenience by providing financial transaction services using an ATM device in the real world and providing financial transaction services using a virtual ATM device within the metaverse environment.

A method of monitoring behavior of an AVC system that may include communicatively connecting one or more devices to a server of a cloud platform, creating one or more device digital twins, synchronizing the device digital twins to the devices, creating one or more space digital twins of the physical spaces that the devices are located in, synchronizing the space digital twins to a corresponding physical space, analyzing data associated with the one or more devices to create an output indicative of at least one of the health and reliability of the one or more devices, usage and operational status of the physical space or presenting the output on a computing device.

Techniques are described for communications in an L2 virtual network. In an example, the L2 virtual network includes a plurality of L2 compute instances hosted on a set of host machines and a plurality of L2 virtual network interfaces and L2 virtual switches hosted on a set of network virtualization devices. An L2 virtual network interface emulates an L2 port of the L2 virtual network. Access control list (ACL) information applicable to the L2 port is sent to a network virtualization device that hosts the L2 virtual network interface.

The invention relates to the technical field of distributed architectures, and discloses a multi-screen cooperative control method based on an OpenHarmony distributed architecture and an all-in-one machine system.The method comprises the steps that a broadcast frame found by equipment is sent through an OpenHarmony distributed soft bus, security authentication is conducted on a plurality of display terminals responding to the broadcast frame, a virtual bus channel is established, and the virtual bus channel is sent to the display terminals; obtaining a virtual device group; creating a distributed industrial data object on the main control equipment of the virtual equipment group and synchronizing the distributed industrial data object to each slave display terminal to obtain a distributed data model; mapping the anonymous shared memory to an annular buffer area; and writing real-time data acquired by the industrial field equipment into an annular buffer area, and transmitting the real-time data to each slave display terminal of the virtual equipment group, in the method, each display terminal accesses an agent instance of an industrial data object through a distributed data management framework; and the requirements of high reliability, low delay and high consistency on multi-screen cooperative control in an industrial field are met.

The invention provides a task processing method and system, electronic equipment and a storage medium, and relates to the technical field of computer virtualization. The system comprises a virtual GPU device located on a host machine, and a target application and a virtual GPU drive program deployed on a client virtual machine, wherein the virtual GPU drive program comprises a user mode drive and a kernel mode drive; a plurality of processors are arranged in the user mode driver; an adapter is arranged in the virtual GPU equipment; the target processor sends a target command to the adapter through a kernel mode driver; a resource scheduling module in the adapter is used for distributing the target command to a target scheduling unit under the module; the target scheduling unit is used for distributing physical GPU resource available information and / or CPU resource available information according to the command demand information; and the physical GPU equipment processes the target task to obtain a processing feedback result. According to the method, the resource allocation can be flexibly carried out, and the resource utilization rate of the physical GPU equipment is improved while the timeliness of processing the feedback result is improved.

The invention provides a VirtIO interface-based ubiquitous hardware equipment virtualization supporting method and system, according to a VirtIO interface standard, bottom layer physical hardware is abstracted into virtual equipment, a VirtIO virtual equipment driver is divided into a front end and a rear end, data interaction is carried out through a sharing mechanism to form a virtual hardware abstraction layer, and the virtual hardware abstraction layer is used for supporting virtual hardware. Upwards providing state information of virtual equipment and interface information of operation equipment for an application program, shielding heterogeneity of bottom-layer physical equipment, and downwards butting local and / or far-end physical equipment to carry out actual I / O operation; and calling a migration interface through the virtual hardware abstraction layer, establishing a link with a far-end virtual device driver, transmitting the state of the local virtual device to a far end, and recovering and reconstructing the virtual device by the far-end driver. According to the method, heterogeneous hardware in a ubiquitous scene can obtain more efficient resource abstraction and management, the resource utilization rate is improved, and meanwhile the resource dynamic configuration and flexible expansion capacity is provided.

The invention relates to a remote terminal equipment control method and system. The method comprises the following steps: capturing operation of a keyboard and / or a mouse of a control end system; encoding the native event into a cloud PC private keyboard and mouse protocol packet; the cloud PC private keyboard and mouse protocol packet is sent to a remote coding card through a network, unpacking is carried out, event types and parameters of a keyboard and a mouse are recognized, and description content meeting the USB HID standard is created according to the event types; generating a virtual device of a keyboard / mouse in the coding card, and converting the event description into a USB HID message; the virtual equipment is connected to a blade computer of a controlled end through a hardware interface of the coding card and simulates direct keyboard / mouse operation of a user; and the blade computer regards the virtual equipment of the coding card as a keyboard and a mouse which are locally connected. According to the control method combining the hardware coding card and the private keyboard and mouse protocol, remote control over the keyboard and the mouse of the controlled end can be achieved no matter how the operating system state of the controlled end is.

The invention provides a distributed AI job collective communication optimization method and device based on kubernetes. The distributed AI job collective communication optimization method based on kubernetes comprises the steps that GPU simulation and proxy plug-ins are designed in a host, and an AI topology operator is designed on a kubernetes platform layer. After a kubernetes scheduler schedules a plurality of computing unit resource requests of a distributed AI task to a computing node, an AI topology operator constructs a resource topology for a container where each computing unit resource request on the same computing node is located, GPU and RDMA network card resource topologies of the distributed AI task are generated, a GPU simulation and proxy plug-in constructs a virtual GPU device / dev / vgpu according to the resource topologies, and the virtual GPU device / dev / vgpu is used for simulating the distributed AI task according to the virtual GPU device / dev / vgpu. The virtual GPU device may utilize a host NVLink or PCIe high-speed channel for data transfer and control communications through IO operation event forwarding and execution feedback. Through combination of GPU simulation and proxy plug-ins and an AI topology operator, closed-loop management is formed in the aspects of resource allocation, scheduling, virtual GPU equipment management and the like for a distributed AI job scene, so that the problem that distributed jobs in the same group cannot use high-speed NVLink or PCIe communication in the same host is solved, and unified affinity allocation of GPU and RDMA resources is realized.

The invention relates to the field of computer hardware virtualization, and discloses a CAN network virtualization method, system, device and medium, a virtual CAN network is established through QEMU virtual machines, each QEMU virtual machine can be used as a node, all the nodes are connected through a Kvaser Virtual CAN Driver driver to form a virtual CAN network, the virtual CAN network can be used for simulation and testing, and the virtual CAN network can be used for simulating and testing. Therefore, logic analysis of the virtual device is separated from actual operation of the device, the front end is mainly used for reading, writing and the like of a register, and when hardware operation is involved, the operation is transmitted to the rear end, so that coupling is reduced, the flexibility of a model is improved, and the reliability of the model is improved. The problem that drivers and application software cannot be developed and verified in advance due to high CAN network hardware cost and long development period is solved.

The invention relates to the technical field of wireless communication, and particularly discloses a method and a system for testing wireless equipment performance by utilizing channel parameters generated by a 3D (three-dimensional) model, comprising the following steps: acquiring surveying and mapping data, and performing three-dimensional modeling based on the surveying and mapping data to obtain a three-dimensional model; mapping the actual wireless communication equipment and the interference equipment into virtual equipment; virtual equipment is arranged in the three-dimensional model; wireless channel parameters among the virtual wireless communication devices are calculated in the three-dimensional model, actual wireless communication devices and interference devices are connected to ports of a wireless channel simulation instrument, and links among the corresponding ports of the wireless channel simulation instrument are configured based on the wireless channel parameters; actual wireless communication equipment and interference equipment work, and communication performance related parameters in the working process of the actual wireless communication equipment are obtained; and evaluating the communication performance based on the communication performance related parameters to obtain an evaluation result. According to the method, the performance test of the wireless equipment under the conditions of complex buildings and terrains can be simply, conveniently and efficiently realized.

The embodiment of the invention provides a model training method, a model training device and an electronic device. The method is applied to electronic equipment loaded with a parallel computing framework and heterogeneous computing equipment. The method comprises the following steps: segmenting a model training task into a plurality of computing tasks by using the parallel computing framework; using the parallel computing framework to distribute the plurality of computing tasks to a plurality of virtual devices, the plurality of virtual devices being virtual devices created based on the heterogeneous computing device; and executing the distributed calculation tasks by the plurality of virtual devices so as to carry out iterative calculation of model training. According to the method provided by the embodiment of the invention, the parallel execution logic of the computing task is placed in the virtual device of the reusable computing resource, and the binding relationship among the computing task, the communication task and the hardware is decoupled, so that the effects of multi-process parallelism, communication and computing parallelism can be achieved.

The invention discloses a virtuality and reality combined method and system for dynamically reconstructing diversified network topology, and belongs to the technical field of novel power systems, and the method comprises the following steps: virtualizing physical equipment in a power system business scene network by using NFV to obtain virtual equipment; constructing a network architecture for realizing a service scene network of the power system by adopting a virtualization mode; physical equipment and virtual equipment in the service scene network of the power system are controlled in a centralized manner based on the SDN; and the SDN controller dynamically reconstructs the service scene network of the power system according to a set strategy. According to the invention, dynamic allocation of network resources and real-time reconstruction of topology are realized through a virtuality and reality combination technology, a software defined network technology and a network function virtualization technology, and virtualized resources and resources of physical equipment can be effectively integrated so as to quickly respond to changes of application requirements.

The invention provides a video data transmission system based on a PCIE interface, the system comprises a PCIE RC terminal system and a PCIE EP terminal system, each of the PCIE RC terminal system and the PCIE EP terminal system comprises a PCIE interface module and a PCIE virtualization module, the PCIE RC terminal system and the PCIE EP terminal system are connected through the PCIE interface module, and the PCIE interface module is connected with the PCIE EP terminal system through the PCIE virtualization module. The PCIE virtualization module is connected with the PCIE interface module; wherein the PCIE interface module is used for carrying out bidirectional video data transmission between the PCIE RC terminal subsystem and the PCIE EP terminal subsystem, and the PCIE virtualization module is used for controlling the PCIE interface module to execute corresponding operation according to the transmission requirement of video data and respectively creating a corresponding virtual device node for each path of video data.

The invention discloses a resource occupation method and device of PCIe virtual equipment, the PCIe equipment and a storage medium, and the resource occupation method of the PCIe virtual equipment comprises the steps: in a BIOS scanning stage, scanning each node of a topological structure of the PCIe virtual equipment; wherein each node is used for hooking a false PCIe virtual device and a true PCIe virtual device, wherein the false PCIe virtual device is used for occupying BAR space resources for the PCIe virtual device which is not used as a system disk and hooked to the same node, and the true PCIe virtual device comprises the PCIe virtual device which is used as the system disk and the PCIe virtual device which is not used as the system disk; for the mode of starting the OS from the cloud hard disk, according to the first scanning result, the PCIe virtual device serving as the system disk is presented on the BIOS starting menu interface, the false PCIe virtual device is not presented, and BAR space resources are allocated to the returned PCIe virtual device serving as the system disk and the false PCIe virtual device. Therefore, BAR space resources are pre-occupied for each node, and meanwhile, PCIe virtual equipment serving as a system disk is only presented on a BIOS startup menu interface.

A multiple-virtual-temperature-sensor-per-computing-component cooling system includes a chassis housing a cooling system and a BMC device coupled to a computing component that includes physical temperature sensors. The BMC device identifies the physical temperature sensors included in the computing component, and creates virtual device(s) that includes a respective virtual temperature sensor for each of the physical temperature sensors. The BMC device then retrieves respective temperature data from each of the physical temperature sensors and, for each virtual temperature sensor included in the virtual device(s), provides the respective temperature data that was retrieved from the physical temperature sensor for which that virtual temperature sensor was created in a cooling system control algorithm to generate cooling system control information. The BMC device then uses the cooling system control information to control the cooling system.

A control system configurable by a configuration application and comprising one or more control processors, one or more gateways, a communication network, a portable electronic device executing the configuration application and one or more controllable devices wherein the controllable device is represented by one or more virtual devices.

The invention discloses a method for transmitting data flow through a virtual firewall in a cloud platform and the cloud platform, and the method comprises the steps: responding to uplink data flow to be transmitted, and determining a target uplink virtual physical address of the uplink data flow; sending the uplink data traffic to the virtual firewall according to an uplink forwarding rule of the uplink data traffic, so as to forward the uplink data traffic according to the target uplink virtual physical address under the condition that a security verification result of the virtual firewall on the uplink data traffic represents that verification is passed; acquiring downlink data traffic corresponding to the uplink data traffic sent from the virtual firewall; the terminal of which the downlink data traffic is the uplink data traffic receives the virtual device and returns the data traffic according to the uplink data traffic. The problem that when the flow data of the virtual network passes through the firewall, the configuration complexity and the fine granularity cannot be considered at the same time is solved.

A method for creating firmware-dedicated queues for storage system multi-queue operation is provided. The method includes providing a controller to manage a plurality of input / output (IO) operations between hosts and virtual disks by issuing the plurality of IO operations to a plurality of queues comprising submission queues and completion queues, wherein one or more submission queues are mapped to each completion queue. The method also includes configuring at least one submission queue as a FW-dedicated queue for submitting internal IO operations initiated by firmware (FW) associated with the controller. The method further includes adding one or more parameters in FW-queue-related fields in a controller device state table for each device of the virtual disks. The one or more parameters include at least a first parameter to enable the FW-dedicated queue for only submitting the internal IO operations in parallel with other queues to the device.

Provided in the embodiments of the present application are a model training method, a model training apparatus, and an electronic apparatus. The method is applied to an electronic device on which a parallel computing framework is loaded, and heterogeneous computing devices. The method comprises: using a parallel computing framework to divide a model training task into a plurality of computing tasks; using the parallel computing framework to distribute the plurality of computing tasks to a plurality of virtual devices, wherein the plurality of virtual devices are virtual devices that are created on the basis of heterogeneous computing devices; and the plurality of virtual devices executing the distributed computing tasks, so as to perform iterative computing during model training. According to the method in the embodiments of the present application, parallel execution logic for the computing tasks is placed in the virtual devices, which are capable of multiplexing computing resources, and binding relationships between the computing tasks, communication tasks and hardware are decoupled; thus, the effects of a plurality of processes being in parallel and communication and computing being in parallel can be achieved.

The invention provides a method and a system for realizing digital twin virtual reality enhancement based on environment change. The method comprises the following steps: acquiring real-time data information of a current real environment scene; the real-time data information is sent to a cloud server; the cloud server converts the real-time data information into a data stream or a data packet and sends the data stream or the data packet to the virtual reality device; the virtual reality equipment is arranged in the closed space, so that the virtual environment of the closed space is consistent with the real environment. By means of the virtual device, the user can clearly feel the experience like a real environment scene, interaction and enhancement between the real world and the virtual world are achieved, and the immersive experience of the user is improved.

A process includes receiving a first message that is generated in response to a first client computing device associating with a first activation device, wherein the first message includes a first client computing device identifier associated with a first user of the first client computing device and a first activation device identifier for the first activation device and identifying, based on an association configuration and the first activation device identifier, a first virtual device that is associated with the first activation device. The process may further include identifying, based on the first virtual device and the association configuration, a first application associated with the first virtual device, and running the first application associated with the first virtual device in response to the first message.

A method for creating firmware-dedicated queues for storage system multi-queue operation is provided. The method includes providing a controller to manage a plurality of input / output (IO) operations between hosts and virtual disks by issuing the plurality of IO operations to a plurality of queues comprising submission queues and completion queues, wherein one or more submission queues are mapped to each completion queue. The method also includes configuring at least one submission queue as a FW-dedicated queue for submitting internal IO operations initiated by firmware (FW) associated with the controller. The method further includes adding one or more parameters in FW-queue-related fields in a controller device state table for each device of the virtual disks. The one or more parameters include at least a first parameter to enable the FW-dedicated queue for only submitting the internal IO operations in parallel with other queues to the device.

The invention discloses a PCIe device remote control method and device, an electronic device and a medium. The device comprises a local server and a remote server. A PCIe hardware equipment control component, a virtual PCIe bus and a plurality of local RDMA (Remote Direct Memory Access) network cards are deployed on the local server; pCIe hardware equipment, a PCIe hardware equipment proxy component and a plurality of remote RDMA (Remote Direct Memory Access) network cards are deployed on the remote server; the PCIe hardware equipment control component is used for realizing virtual PCIe equipment presentation of PCIe hardware equipment deployed on a remote server on a local CPU (Central Processing Unit); the virtual PCIe bus is used for managing the virtual PCIe bus and virtual PCIe equipment on the bus for the local CPU; and the PCIe hardware equipment proxy components are paired with PCIe hardware equipment deployed on a remote server one by one and are used for finishing proxy forwarding of PCIe requests between the remote RDMA network card and the PCIe hardware equipment.

The present disclosure relates to the field of edge cloud technology, and discloses a domain name resolution method, a system, an apparatus, a device, and a medium for edge computing. The domain name resolution method includes: acquiring a first domain name resolution request forwarded by a virtual device through a network module; converting the first domain name resolution request into a second domain name resolution request, and sending the second domain name resolution request to an authoritative domain name system; and receiving a resolution result of the second domain name resolution request by the authoritative domain name system, and forwarding the resolution result to the virtual device through the network module.

Upon receiving a request to hibernate a hypervisor of a virtualization system running on a first computer, acts are carried out to capture a state of the hypervisor, where the state of the hypervisor comprises hypervisor logical resource parameters and an execution state of the hypervisor. After hibernating the hypervisor by quiescing the hypervisor and storing the state of the hypervisor into a data structure, the data structure is moved to a different location. At a later moment in time, the data structure is loaded onto a second computing machine and restored. The restore operation restores the hypervisor and all of its state, including all of the virtual machines of the hypervisor as well as all of the virtual disks and other virtual devices of the virtual machines. Differences between the first computing machine and the second computing machine are reconciled before execution of the hypervisor on the second machine.

The present disclosure relates to a lightweight RDMA virtualization method, system, device, electronic device and medium, and in particular to the field of virtualization technology. The method comprises: obtaining configuration parameters of virtual devices, the configuration parameters including the set number of virtual devices; allocating a corresponding number of network devices to the set number of virtual devices; wherein the network addresses of the virtual devices and the network devices correspond; obtaining idle resources based on a global resource bitmap query, and allocating the idle resources to the set number of virtual devices; wherein the resource identifiers of the virtual devices and the idle resources correspond. The embodiment of the present disclosure implements a lightweight virtualization function based on software on a hardware device by managing the resource allocation of virtual devices.

The application discloses a virtual PCI device for multi-domain isolated communication and an implementation method thereof, which comprises the following steps: dividing the memory mapping IO address space of the virtual PCI device into a general configuration space and a private configuration space, storing a first type of register for generally configuring a plurality of data channels in the general configuration space, and storing a second type of register for specially configuring a single data channel in the private configuration space. The protocol limitation of the virtual PCI device can be broken, and a plurality of data channels can be served by one virtual PCI device.

The invention relates to the technical field of docking station remote control, in particular to a cloud management-based micro host docking station remote control system, which comprises a multi-tenant resource slice configuration module for receiving a multi-tenant configuration instruction according to a cloud management platform and establishing a virtual docking station resource allocation table. According to the method and the device, the specific USB port, the specific HDMI port, the specific power budget and the specific network bandwidth limit value are bound with the unique tenant voucher by establishing the virtual docking station resource allocation table, so that a shared physical device is converted into a plurality of logically independent virtual devices, the problems of resource scrambling and security interference in a multi-tenant environment are solved, and the service life of the virtual docking station is prolonged. And when the behavior of one tenant, such as connection with high-power consumption equipment or malicious USB equipment, is strictly limited in the allocated resource quota, and does not affect other tenants, so that the stability and the safety of the platform are ensured.