25 results about "Bandwidth cap" patented technology

The invention discloses a bandwidth dynamic allocation method and device, a program product and a storage medium, and relates to the technical field of computers. According to the method, bandwidth use data of a network outlet are collected in real time, the residual bandwidth capacity of the outlet is determined, and the distributable dynamic bandwidth capacity of each interface is calculated by combining an interface weight parameter and an interface stability coefficient calculated based on bandwidth use fluctuation characteristics, so that the residual bandwidth of the network outlet can be reasonably distributed. Meanwhile, a dynamic additional bandwidth mechanism is introduced outside the fixed basic bandwidth, and the dynamic bandwidth allocation weight is determined based on the bandwidth use stability of the authentication terminal and the current bandwidth use state, so that the terminal is not limited by a preset fixed bandwidth upper limit any more, more bandwidth resources can be obtained when the exit bandwidth is sufficient, and the bandwidth utilization rate of the terminal is improved. Therefore, the utilization efficiency of bandwidth resources is improved.

A GEMM load-oriented GPU modeling method is characterized in that through a multi-stage collaborative modeling mechanism, cache behaviors, instruction overhead and calculation intensity are deeply coupled, accurate performance prediction of GPU execution GEMM operators is realized, the method can be widely applied to scheduling optimization of GPU intensive scenes such as AI training and scientific calculation, firstly, a three-stage cache weight distribution mechanism is established, and then, a three-stage cache weight distribution mechanism is established; quantifying the contribution of the L1 / L2 cache hit rate and the DRAM bandwidth degradation factor to the effective bandwidth; secondly, an instruction-level memory access overhead correction mechanism is introduced, and the mixing precision and the real calculation strength of a sparse calculation scene are captured through dynamic parameter adjustment and optimization; then combining the calculation force peak value and the bandwidth upper limit to construct a double-boundary constraint model, and generating a theoretical performance critical value; further predicting a stream multiprocessor utilization rate based on a neural network, and quantifying efficiency loss caused by hardware resource contention through a multi-layer perceptron structure; and finally, the integration module outputs task execution time to realize end-to-end performance prediction.

The invention provides a large phased array device and a communication method. The device comprises a base band unit (BBU); the active antenna unit AAU comprises an AAU master controller and an AAU subarray; the BBU and the AAU master control are integrated on a single PCB (Printed Circuit Board); the BBU is in communication connection with the AAU master control through a PCB (Printed Circuit Board) microstrip line, and a communication interface between the BBU and the AAU master control is a CPRI (Common Public Radio Interface) or an eCPRI (Enhanced Common Public Radio Interface); the AAU master control and the AAU sub-arrays are in communication connection through a radio frequency coaxial cable. The base band unit BBU and the AAU master control are integrated on the single PCB, a base band and radio frequency physical layer fusion framework is achieved, the bandwidth upper limit is greatly increased, and a multi-beam large-bandwidth large-scale array is supported; the neutron irradiation resistance of the coaxial cable is far higher than that of optical fibers, the interface is simplified, and the reliability is multiplied; a low-cost commercial device can be selected as a chip high-speed interface of the AAU subarray.

The embodiment of the invention provides a TCP (Transmission Control Protocol) congestion control method, device, equipment, medium and product, and relates to the field of computer networks, the method comprises the following steps: taking a bandwidth upper limit as a core constraint benchmark, combining the core constraint benchmark with smooth RTT and effective MSS to calculate a corresponding congestion window upper limit, and accurately regulating and controlling the congestion window through layered window constraint, so that the congestion control efficiency is improved. It is ensured that a congestion window always adapts to network transmission characteristics and resource allocation requirements, congestion caused by too large windows or resource waste caused by too small windows is avoided, meanwhile, the rhythm sending rate is calculated based on the bandwidth upper limit, the rhythm sending rate of a current application is dynamically updated through double judgment of a change rate threshold value and a minimum updating interval, and the user experience is improved. The real-time adaptation of the rhythm sending rate and the bandwidth upper limit is realized, the problem of insufficient collaboration of window adjustment and rate control in the prior art is solved, network resources are fully utilized while excessive sending is avoided and the transmission stability is guaranteed, and the TCP congestion control efficiency is improved.

The application provides a load balancing method and device for an Android system, and the method comprises the following steps: opening a QoS configuration option through a kernel of an Android system source code; receiving a plurality of function starting commands of a user after the Android system is started; wherein the function starting commands respectively correspond to a plurality of functions of a WIFI module one by one; respectively issuing a speed limiting command to a network interface corresponding to each function according to a total bandwidth of the WIFI module of the Android system in response to the function starting commands, so as to realize load balancing of the plurality of functions; wherein the speed limiting command comprises an upper limit of a bandwidth corresponding to each function. Compared with the prior art, after the Android system is started, the commands of the user are received, the speed limiting command is respectively issued to the network interface of each function, the speed limiting command comprises the upper limit of the bandwidth, so that the bandwidth between the loads corresponding to each function can be reasonably distributed, the problem of random contention is solved, and the stability and reliability of the network are effectively improved.

The present application relates to the technical field of communications. Provided are a communication method, and a device, a program product and a storage medium. In the method, a network apparatus can indicate, to a terminal apparatus, upper bandwidth limits for respectively transmitting a first signal in a plurality of time units, and the upper bandwidth limit in each time unit is further divided into different frequency hopping patterns, such that the terminal apparatus can transmit the first signal in each time unit according to the indicated frequency hopping patterns, in other words, the terminal apparatus can execute two-stage frequency hopping. In this way, each transmission of the first signal can occupy fewer frequency-domain resources, thereby facilitating an improvement in the power spectral density, and also increasing the number of users reusing radio resources.

The invention discloses a dynamic bandwidth allocation method and device, a medium and a product, and relates to the technical field of model training. The dynamic bandwidth allocation method comprises the following steps: acquiring gradient tensor metadata of each computational node in a cross-modal model; performing global sorting on the gradient importance score in the gradient tensor metadata of each computational node, determining a gradient scheduling priority, and determining a bandwidth upper limit threshold matched with the gradient tensor according to the gradient importance score in the gradient tensor metadata of each computational node and the total bandwidth to be allocated; and generating a decision scheduling instruction according to the gradient scheduling priority and the bandwidth upper limit threshold matched with the gradient tensor. According to the technical scheme of the embodiment of the invention, dynamic bandwidth resource allocation can be carried out in the model training process, the model training process is accelerated, and efficient utilization of network resources is realized.

The application relates to the technical field of distributed storage, and discloses a traffic control method and device, equipment and a computer readable storage medium. The method comprises the following steps: a client determines a target process corresponding to an I / O request for accessing a remote storage node; an executable file of the target process is determined, and a priority label configured in advance for the executable file by a user is acquired; the target process is allocated to a resource control group corresponding to the priority label, the resource control group is pre-configured with a resource limit parameter corresponding to the priority label, the resource limit parameter is used for representing an upper limit of traffic, including at least one of an I / O bandwidth upper limit or an IOPS upper limit, of an I / O request initiated by the corresponding resource control group to the remote storage node; and the target process in the resource control group is controlled based on the corresponding resource limit parameter. The application can finely control the target process based on the corresponding resource limit parameter, so as to solve the problem of coarse granularity of the existing traffic control mode.

The present disclosure relates to a network transmission control method and device, a storage medium and a robot controller. The method comprises: determining a data uplink bandwidth for uploading to-be-uploaded data according to a data volume of the to-be-uploaded data and a preset uploading time length; determining a set of to-be-used network transmission device groups according to bandwidth upper limits of a plurality of network transmission devices, wherein the bandwidth upper limit of each network transmission device in each to-be-used network transmission device group is within a preset bandwidth interval, and the preset bandwidth interval is an interval including the data uplink bandwidth; determining a target to-be-used network transmission device group from the set of to-be-used network transmission device groups; and uploading the to-be-uploaded data by using each target network transmission device in the target to-be-used network transmission device group. The method of the present disclosure can improve the data uplink bandwidth without improving the hardware.

The invention relates to the technical field of distributed storage, and discloses a traffic control method, device and equipment and a computer readable storage medium, and the method comprises the steps that a client determines a target process corresponding to an I / O request for accessing a remote storage node; determining an executable file of the target process, and obtaining a priority label configured for the executable file by a user in advance; the target process is allocated to a resource management and control group corresponding to the priority label, the resource management and control group is pre-configured with a resource limiting parameter corresponding to the priority label, and the resource limiting parameter is used for representing a flow upper limit of an I / O request initiated by the corresponding resource management and control group to a remote storage node and comprises at least one of an I / O bandwidth upper limit and an IOPS upper limit; and performing traffic control on the target process in the resource control group based on the corresponding resource limiting parameter. According to the method and the device, the target process can be finely controlled based on the corresponding resource limiting parameters, so that the problem that the granularity of an existing traffic control mode is relatively coarse is solved.

This application relates to a method, apparatus, electronic device, and storage medium for traffic control of audio and video streams. The method includes: acquiring an audio and video stream to be sent and parsing the audio and video stream to obtain the frame type and single-frame data size in the audio and video stream; determining the key frame data size based on the frame type and single-frame data size; acquiring the bandwidth threshold of the link used to send the audio and video stream, wherein the bandwidth threshold is used to characterize the upper limit of bandwidth that can be allocated to the link; determining whether the triggering conditions of the traffic control strategy are met based on the key frame data size and the bandwidth threshold; and if the triggering conditions of the traffic control strategy are met, splitting each key frame in the audio and video stream into multiple data sub-packets for transmission. This can achieve traffic control of the audio and video stream, avoiding the peak traffic of the audio and video stream from exceeding the bandwidth threshold of the link, which could lead to key frame data loss and problems such as video distortion, stuttering, and audio disconnection.

The embodiment of the invention discloses a bandwidth speed limiting method of a distributed system, a bandwidth speed limiting device of the distributed system, bandwidth speed limiting equipment of the distributed system, a computer readable storage medium and a computer program product containing instructions, which are used for limiting the bandwidth speed of the distributed system under the condition of reducing the risk of network congestion. The method provided by the embodiment of the invention comprises the following steps: acquiring traffic information of all nodes, determining that a first service of any node is in a to-be-limited condition for any node based on the traffic information of any node, and / or determining that the first service of at least one node is in a to-be-limited condition for multiple nodes based on the traffic information of the multiple nodes, the bandwidth speed limit value of the first service of the first target node is adjusted, the first target node is the node of which the first service is under the speed limit condition, and the bandwidth speed limit value is used for determining the bandwidth upper limit of the first service of the corresponding node.

The invention discloses an AIoT application-oriented RISC-V vector extension strong-coupling small data access device and method, and is applied to the technical field of processor architecture. In the prior art, main core decoding + interface transmission + coprocessor re-decoding + shared storage arbitration causes fixed start / synchronization overhead, and the prior art is constrained by a bandwidth upper limit in a memory intensive scene. A small DMA controller which only needs two self-defined instructions and is strongly coupled with a vector instruction is integrated, address generation of the controller supports a linear and fixed step length sequence, and therefore traditional vector data handling is compressed from multi-stage round-trip to one-time triggering + hardware direct reaching, fixed start / synchronization overhead and arbitration interference are remarkably reduced, and the efficiency of data handling is improved. And the carrying bandwidth and the end-to-end performance are improved in a data-intensive embedded application. The device and the method provided by the invention can be effectively integrated in an AIoT-oriented mature RISC-V-based MCU (Microprogrammed Control Unit).

The present application relates to the technical field of computers, in particular to a method for off-chip DDR bandwidth offloading in a RAID sequential writing scenario, a terminal and a storage medium. The method comprises the following steps: moving new data D' from a host DDR to on-chip cache space U of a RAID management chip; calling a RAID computing engine to read D' from the on-chip cache U, and writing D' and new check data P' obtained by calculation back to V and X in the off-chip DDR respectively; and storing D' and P' data in V and X spaces of the off-chip DDR. The present application partially offloads the storage bandwidth demand of the off-chip DDR by introducing on-chip cache, thereby improving the bandwidth upper limit of the host computer in the sequential writing scenario.

The invention provides a bandwidth allocation method and device, a storage medium and electronic equipment, and relates to the technical field of computers, and the method comprises the steps: responding to a task state change event in a task system, and obtaining the importance degree, urgency degree, data volume and maximum expected sending bandwidth of all uncompleted tasks; and calculating the priority of each task. And allocating the total available bandwidth of the system as the pre-allocated bandwidth of each task according to the priority proportion, and completing primary allocation by taking a smaller value with the maximum expected bandwidth of each task, thereby ensuring that no task is excessively occupied. Then, the remaining bandwidth of the system is calculated. And if the remaining bandwidth exists and the tasks do not reach the upper limit of the bandwidth, identifying the tasks as second tasks, and performing secondary allocation: allocating the remaining bandwidth according to the priority proportion, thereby realizing efficient and reasonable utilization of the bandwidth.

A bandwidth dynamic allocation method, device, program product and storage medium, relating to the technical field of computer. The method collects the bandwidth usage data of the network export in real time, determines the residual bandwidth capacity of the export, calculates the allocable dynamic bandwidth capacity of each interface in combination with the interface weight parameter and the interface stability coefficient calculated based on the bandwidth usage fluctuation characteristics, so that the residual bandwidth of the network export can be reasonably allocated. At the same time, by introducing a dynamic additional bandwidth mechanism outside the fixed basic bandwidth, the dynamic bandwidth allocation weight is determined based on the bandwidth usage stability of the authenticated terminal and the current bandwidth usage state, so that the terminal is no longer limited by the preset fixed bandwidth upper limit and can obtain more bandwidth resources when the export bandwidth is sufficient, thereby improving the utilization efficiency of bandwidth resources.

The application provides a large phased array device and a communication method, the device comprising: a baseband unit (BBU); an active antenna unit (AAU) comprising an AAU master and an AAU subarray; the BBU and the AAU master are integrated on a single PCB; the BBU and the AAU master are connected through a PCB microstrip line; the communication interface between the BBU and the AAU master is CPRI or eCPRI; the AAU master and the AAU subarray are connected through a radio frequency coaxial cable. The BBU and the AAU master are integrated on a single PCB, the baseband and the radio frequency physical layer fusion architecture are realized, the bandwidth upper limit is greatly increased, and a large-scale array with multiple beams and large bandwidth is supported; the anti-neutron irradiation capacity of the coaxial cable is much higher than that of an optical fiber, the interface is simplified, and the reliability is multiplied; the high-speed interface of the chip of the AAU subarray can select low-cost commercial devices.

The invention discloses a communication state monitoring system and method based on a UVC protocol, and relates to the technical field of communication.The method comprises the steps that equipment supporting UVC is searched and screened through a UVC extension detection protocol, parameters such as the equipment model and the bandwidth upper limit and extension unit information are collected, and an equipment capacity list is generated; standardizing quantitative and qualitative parameters in the list, performing weighted calculation on priorities, dividing equipment and UVC channel levels, and matching and binding a cache region; setting video stream parameters of each priority, converting an LED brightness adjustment range, establishing a global bandwidth pool to allocate resources, and generating documents such as coding configuration files; building a master-slave clock synchronization system, and cooperatively transmitting video stream fragments and LED control instructions according to priorities; data are directionally distributed based on a transmission queue list, and video streams capable of being displayed in real time are decoded and output through differential buffering, supplementary transmission request and fragmentation recombination strategies, so that efficient synchronization and stable transmission of UVC equipment communication are realized.

The application discloses a kind of safe U disc data processing method and system suitable for power grid sensitive computing environment, this method first obtains drift spectrum, and the three parameters of parallelism, aggregation and window depth are coupled as throughput gear, and the throughput event of last time slice, failure event and drift spectrum are used as prior signal to adaptively select throughput gear, by the combination of physical prior and online adaptation, not only make the selection of throughput gear and temperature and pressure drift and aging characteristics adapt, still can maintain stable throughput under extreme environment or aging scene, and greatly improve stable state throughput and reduce fluctuation, significantly converge long tail, realize that safe U disc has high parallelism and high reliability simultaneously.Meanwhile, the random write of host is merged into superblock before executing authentication encryption, can significantly dilute the start-up overhead and bus round trip of AEAD, reduce write amplification and smooth delay, so that pipeline utilization rate is closer to the bandwidth upper limit of safe U disc.

The invention relates to the technical field of content distribution networks, and discloses a water line determination method, device and equipment for edge nodes of a CDN, and the method comprises the steps: sorting first bandwidth sampling values of target nodes in a first historical time period, so as to obtain a first bandwidth sorting result; the target node comprises a plurality of edge nodes in the content distribution network; determining a bandwidth upper limit sum of the plurality of edge nodes according to the bandwidth upper limit of each edge node in the plurality of edge nodes; and determining a target water level line meeting a preset condition as a total water level line of the plurality of edge nodes, wherein the preset condition is that a ratio of a first service flow corresponding to a first bandwidth sampling value higher than the target water level line in the first bandwidth sorting result to a second service flow corresponding to a bandwidth upper limit sum in the free duration is in a preset range. According to the invention, reasonable determination of the total water level line is realized, so that the efficiency of the edge node is better exerted.

The embodiment of the invention provides a transcoding code rate determination method and device, equipment, a storage medium and a program product, and the method comprises the steps: obtaining a transcoding code table and user feature data, and carrying out the user bandwidth detection based on the transcoding code table and set expected user bandwidth distribution, and obtaining user bandwidth data; performing hierarchical statistical processing on the user feature data and the user bandwidth data to obtain user hierarchical data; and performing code rate estimation based on the user hierarchical data to obtain transcoding code rates respectively corresponding to the plurality of preset code rate gears. According to the scheme, code rate grading can be carried out according to the bandwidth upper limit and the watching requirement of the user, so that the code rate grades are matched with actual layering of the user, transcoding resources are reasonably distributed, the playing quality is optimized, and the user impression is improved.

The invention relates to a shared cache management method and device. The method comprises the following steps: obtaining throughput data of each transmission queue in a shared cache; the shared cache comprises ports used for data reading and writing, the number of the ports is equal to that of the queues, and each transmission queue independently has a port with the highest reading and writing priority; receiving a read-write operation instruction, and if the throughput data represents that the throughput of each transmission queue is balanced, performing equal queue data read-write by adopting the port with the highest read-write priority; if the throughput data represents that the throughput of each transmission queue is unbalanced, queue sequence information is obtained; and performing data read-write on the shared cache according to the queue sequence information, the read-write operation instruction and the port. By adopting the method, the utilization rate of the cache space can be improved, a higher queue transmission bandwidth upper limit is obtained, and the high utilization rate of the total transmission upper limit bandwidth is ensured.

The invention relates to the technical field of cloud computing, in particular to a volume migration method and system based on OpenStack, and the method comprises the following steps: a user initiates a volume type switching request to a Cinder service through a console or a REST interface, and appoints a target volume type and selectable bandwidth upper limit parameters; the method has the beneficial effects that the virtual machine is supported to be migrated to other available areas online, the functions of displaying the volume migration progress, terminating volume migration, migrating the volume in the mounted state under the state that the virtual machine is turned off, supporting and limiting the bandwidth during volume migration and the like are provided, the flexibility of the OpenStack service is improved, and the availability of the virtual machine and the service running in the virtual machine is enhanced.

The invention provides a resolution adaptive mapping method and device for display type interaction equipment, and relates to the technical field of data interaction, and the method comprises the steps: respectively collecting resolution parameters and screen diagonal length parameters of source equipment and target equipment; in combination with the resolution parameter and the screen diagonal length parameter, establishing a resolution corresponding relation between the source device and the target device; determining a basic compression ratio parameter according to a resolution ratio corresponding relation; performing performance correction on the basic compression ratio parameter according to the graphic processing capability parameter and the network bandwidth upper limit parameter of the target equipment to obtain a performance correction compression ratio parameter; and based on the performance correction compression ratio parameter, carrying out zooming and coding processing on the display content output by the source equipment, and generating display data adaptive to the target equipment. According to the invention, dynamic resolution self-adaptive adjustment can be realized in combination with physical characteristic parameters of equipment.

The invention provides a communication method and device, a program product and a storage medium, and relates to the technical field of communication. In the method, a network device can indicate to a terminal device a bandwidth upper limit for respectively transmitting a first signal on a plurality of time units, and the bandwidth upper limit in each time unit can be split into different frequency hopping modes, so that the terminal device can transmit the first signal in each time unit according to the indicated frequency hopping mode. Equivalently, the terminal device can execute two-stage frequency hopping. Therefore, the frequency domain resources occupied by sending the first signal each time can be less, the power spectrum density can be improved, and the number of wireless resource multiplexing users can be increased.