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2763results about How to "Reasonable distribution" patented technology

Multi-core computing resource management system based on virtual computing technology

The invention relates to a multi-core system computer resource management system based on a virtual computer technology. The system comprises a plurality of virtual machines, a virtual machine monitor and a virtual machine manager. The virtual machine monitor monitors the load condition and the operation state of the virtual machine at real time. The virtual machine manager is a bond for communication between a virtual machine and a physical host. The virtual machine operates on the virtual machine manager and provides the user with a virtual platform. At the same time, the invention divides the virtual machine into three general categories, and different resource adjusting strategies are adopted for each category of the virtual machine respectively. The invention provides a practical and feasible way for the dynamic adjusting and distributing problem of multi-core computer resource and realizes the maximization of energy saving and resource utilization.
Owner:HUAZHONG UNIV OF SCI & TECH

Traffic routing method, router and communication system

The invention discloses a traffic routing method, a router and a communication system. In the embodiment of the invention, a dynamic traffic information base is established by collecting data traffic information of links in a network, thus determining the load condition of a current link; and then routing is made according to the load condition of the current link, that is, part of the data traffic of the current link is switched to a light-loaded standby link which is currently invalid to perform transmission if the load is judged to exceed a maximum bandwidth upper threshold K of the current link, thus avoiding the problem of packet loss caused by that the current link directly discards the part of the data traffic which exceeds the bandwidth when the links are congested, effectively protecting user data, allocating bandwidth more reasonably and improving the utilization ratio of the bandwidth.
Owner:HUAWEI TECH CO LTD

Method for simulating blade flutter boundary of aviation turbine engine

The invention discloses a method for simulating the blade flutter boundary of an aviation turbine engine, which is based on the principle of energy law and adopts a weak coupling method to design a flutter forecasting method, thus obtaining the blade flutter boundary of the engine by pneumatic damping value. The method comprises: first, a solid model of a blade is set up; then, modal analysis is carried out on the blade; after that, a flow field model of the blade is set up; the vibration displacement of the linear interpolation blade can be obtained, grid files needed by flow field analysis are generated by adopting multilayer dynamic mesh processing, a dynamic mesh module is invoked to obtain the parameters in the flow field, pneumatic damping is acquired under every working condition, and finally, the flutter boundary can be obtained. Based on the one-way weak coupling, the method greatly simplifies the calculation, saves the calculation cost, and can realize the pneumatic damping calculation under any frequency and different flow field states, thus having good engineering applicability.
Owner:BEIHANG UNIV

Method and system for statistically analyzing and warning Internet surfing flow of mobile terminal

The invention discloses a method and system for statistically analyzing and warning Internet surfing flow of mobile terminal. The method includes the following steps. A mobile terminal obtains Internet surfing flow use data of the mobile terminal from an operator in real time, monitors Internet surfing flow use data of a local mobile terminal in real time, and synchronously processes the Internet surfing flow use data obtained from the operator and the Internet surfing flow use data monitored by the local mobile terminal in real time, and real-time Internet surfing flow use data are obtained. The predicted number of available days can be obtained through calculation of the real-time Internet surfing flow use data, and the information of the predicted number of the available days is prompted to a user in real time. The method and system for statistically analyzing and warning Internet surfing flow of mobile terminal has the advantages that the Internet surfing flow data which are used by the mobile terminal can undergo trend analysis, and the number of available days of rest flow is obtained. A result is prompted to the user in real time so that the user can know the condition of the available flow in time, and the purposes that flow resources are rationally distributed and fully utilized are achieved.
Owner:BEIJING NETQIN TECH

Service implementing method of equal user tactics

The present invention discloses an service realization method for the fair user policy, mainly comprising the following steps: A, the user accesses an accessing server and goes to an AAA server to fulfill the accessing authority inspecting; B, the accessing server receives the grouping data service request of the user and matches the fee calculating rules and the policy information; if the match is successful, the step D comes up, otherwise the fee calculating rules and the policy requests are sent to PCRF; wherein, the fee calculating rules have relative relationships with the user type, the service type and the fee calculating policy, the policy information have relative relationships with the fee calculating policy, the policy cycle, the flux quota and the pointed speed; C, the PCRF server sends fee calculating rules and the policy response to the accessing server and issues the relative fee calculating rules and the policy information; D, the users process the transmission of the service data, access to the network and execute the policy information of the service and add up the data flow rate of the service. The present invention can effectively elevate the justification of the network resources used by the users.
Owner:OPEN INVENTION NEWTORK LLC

Energy flow controlling method for parallel type mixed power system

InactiveCN101125548AOptimal Power DistributionOptimize the objective functionHybrid vehiclesEnergy controlSystem combination
The present invention discloses an energy control method for parallel power system combination that made up by an engine and storage batteries. The method is based on the considering of the engine and the storage batteries works on respective optimum working points and takes maintaining the charge status of the storage batteries as the priority for the distribution of energy flow, and then takes the most economic fuel of the whole vehicle as the goal to coordinate so as to realize the optimum energy of the combination energy system and the best of performance of the whole vehicle. The present invention can carry out optimum energy flow distribution between the engine and the storage batteries effectively, namely, the engine and the storage batteries are leaded to work on respective optimum working points, which increases the overall energy efficiency of the combination power system.
Owner:NANJING VOCATIONAL UNIV OF IND TECH

Artificial graphite negative-pole material, preparation method therefor and lithium-ion battery

The invention discloses a preparation method for rate type artificial graphite negative-pole material with high energy density. The preparation method comprises the following steps: subjecting raw material cokes to coarse breaking and pulverizing directly or coarse breaking, high-temperature modifying and then pulverizing, and carrying out reshaping treatment, so as to obtain primary granules A; kneading the primary granules A and an organic carbon source, then, carrying out dynamic thermal coating, and carrying out screening, so as to obtain primary granules B; uniformly mixing the primary granules A with a binder, then, subjecting the mixture to granulating in a granulating reactor, and carrying out screening, so as to obtain secondary granules C; subjecting the primary granules B and the secondary granules C to graphitizing separately, and carrying out screening, so as to obtain graphitized primary granules B and graphitized secondary granules C; and uniformly mixing the graphitizedprimary granules B and the graphitized secondary granules C proportionally, and carrying out screening, thereby obtaining a finished product. The preparation method is simple in process and easy in quality control; and by applying the artificial graphite negative-pole material prepared by adopting the method to a lithium-ion battery, the lithium-ion battery is large in capacity, good in cycle andexcellent in quick charging performance.
Owner:贵州凯金新能源科技有限公司

Resource scheduling method and resource scheduling system

An embodiment of the invention provides a resource scheduling method and a resource scheduling system and relates to the field of cloud calculation. The resource scheduling system comprises a management node and physical nodes. According to the resource scheduling method, by the aid of the management node, a resource set corresponding to each application program is acquired according to the scheduling policy of a user when an objection of a scheduling policy is achieved and then is sent to the each physical node; by the aid of each physical node, the minimum quantity of resources distributed to each virtual machine on the corresponding physical node are determined, the left quantity of resources are distributed to every virtual machine on the corresponding physical node proportionally, and the total quantity of resources obtained by each virtual machine after distribution are sent to the management node; by the aid of the management node, resource utilization rate of each physical node is acquired according to the corresponding total quantity of resources of each virtual machine and the current resource utilization amount of each virtual machine on the corresponding physical node, and resource load of each physical node is scheduled according to the resource utilization rate. The resource scheduling method and the resource scheduling system are applied to virtualized resource scheduling and can solve the problem of unreasonable resource distribution caused by an incompatible scheduling technology.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Gas diffusion layer for proton exchanging film fuel cell and its preparing method

This invention relates to a gas diffusion layer used in proton exchange film fuel cells and its preparation method, in which, the gas diffusion layer includes a multihole supporting layer and a microhole layer, the multihole supporting layer is a net and porous structure, the microhole layer is composited on the surface of the porous supporting layer closing to the catalyzed layer and covers the surface of the large hole and fiber dense region of the supporting layer uniformly but not penerates into the inside of the supporting layer, which applies a drying method to prepare a gas diffusion layer used in proton exchange membrane fuel cells, and polymr 1 and 2 containing FI is either a same kind or different, and the hydrophile / hydrophobic degree of the two layers is adjustable, so the gas diffusion layer structure is matched with the running condition of the fuel cell and discharges water more easily.
Owner:SUNRISE POWER CO LTD

Shaping device of solid hot extrusion magnesium alloy wheel hub and shaping method thereof

A solid-state hot squeezing apparatus for shaping the Mg-alloy wheel hub is composed of upper die plate, male die and its heater, heat isolating plate between said upper die plate and male die, moulding cavity heater for left and right moulding cavities, heat isolating plate between female die and its die plate, push-out rod, and temp controller. Its shaping method includes such steps as blanking, heating, holding temp, preheating die set squeezing cutting, surface treating and ageing treating.
Owner:HARBIN INST OF TECH

Web server cluster routing method

The invention discloses a Web server cluster routing method. A cache server is arranged to generate and maintain a hot spot request record, and an analyzing server is utilized for generating and maintaining an ordinary request record and updating the hot spot request record according to the ordinary request record. When the request reaches, the cache server is used for carrying out matching in the hot spot request record, if a matching item is found out, the web request is forwarded to a recorded target response server, and if the matching item is not found out, the request is forwarded to the analyzing server to be analyzed and routed to the target response server. According to the Web server cluster routing method, the hot spot request and the ordinary request are processed in a distinguished mode, the requests are reasonably allocated, and the processing capacity and the responding speed for the hot spot request can be greatly improved. Meanwhile, the hot spot request record is updated, the validity is kept, and the method can adapt to the accessing environment with the variable load and the low determinacy. The method is suitable for routing management of the Web server cluster.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Realization method and realization device for virtual machine scheduling

The invention discloses a realization method and a realization device for virtual machine scheduling. The realization method includes monitoring resource using conditions of multiple virtual machine management platforms, determining the load of each virtual machine management platform based on the resource using condition of the virtual machine management platform, and transferring one or multiple virtual machines running in one virtual machine management platform to other virtual machine management platforms dynamically in the case that the load adjustment need of each virtual machine management platform is determined. According to the realization method and the realization device for the virtual machine scheduling, the using conditions of the multiple virtual machine management platforms are monitored, the load of each virtual machine management platform is determined based on the resource using condition of the virtual machine management platform, at least one virtual machine running in at least one virtual machine management platform is transferred to other virtual machine management platforms based on the load of each virtual machine management platform, and therefore physical partitions can be segmented comprehensively, the structure of a resource pool can be adjusted, and resources in a cloud computing environment can be reasonably allocated.
Owner:DAWNING CLOUD COMPUTING TECH CO LTD

Method for dispatching high-speed uplink package access system

The invention discloses a method for dispatching a high-speed uplink package access system (HSUPA), comprising the following steps of: firstly, estimating the resource requested by UE to be dispatched and the interference generated after the UE is dispatched; subsequently, according to the estimated resource requested by the UE and the interference generated when the UE is dispatched, determining the UE that can be dispatched in corresponding threshold from high to low according to the determined sending sequence priority; and finally, according to the estimated resource requested by the UE, authorizing corresponding resource to the UE that can be dispatched. The method can reasonably distribute the time-slot code-channel physical resource and effectively control the interference in the cell and the interference to the adjacent cells during the dispatching process.
Owner:TD TECH COMM TECH LTD

Task management method, device, computer equipment and storage medium

The invention provides a task management method. The task management method comprises the steps of receiving a to-be-underwritten task, and acquiring the task type of the to-be-underwritten task; extracting influence factors which affect the underwritting difficulty from the to-be-underwritten task, and calculating a difficulty coefficient corresponding to each influence factor; determining the difficulty level of the to-be-underwritten task according to the difficulty coefficient corresponding to each influence factor; adding the task type of the to-be-underwritten task and the difficulty level of the to-be-underwritten task into a task pool; receiving a task allocation request and extracting the user information in the task allocation request; according to the user information, determining a corresponding post type and a corresponding function level; determining a task type and a difficulty level corresponding to the post type and the function level; according to the task type and the difficulty level, obtaining a corresponding to-be-underwritten task from the task pool, and allocating the task to a corresponding user. Based on the method, to-be-underwritten tasks can be reasonably allocated, so that the working efficiency is improved. In addition, the invention further provides a task management device, computer equipment and a storage medium.
Owner:PING AN TECH (SHENZHEN) CO LTD

Method for recovery and cascade utilization of waste heat of supercritical water treatment system of waste organic substances

The invention belongs to the field of supercritical water treatment, and discloses a method for recovery and cascade utilization of waste heat of a supercritical water treatment system of waste organic substances. The method comprises the following steps that: for fluid overflowing out of the reaction outlet end of a reactor, one part of the fluid flows through a heating coil pipe in a desalting and deslagging device first, and then flows through a heat exchanger group to preheat materials after strong brine in the desalting and deslagging device is heated; another part of the fluid is used for preheating a first path of evaporation wall water; then two parts of the fluids are mixed together, and after vapor-liquid separation, the liquid flows through a hot bath type liquid oxygen vaporizer to vaporize liquid oxygen, and finally flows back into a first liquid collection box; and the fluid overflowing out of the upper outlet end of the desalting and deslagging device flows through a first heat exchanger to preheat oxygen first and then preheat a second path of the evaporation wall water, and after the vapor-liquid separation, the liquid flows back into a second liquid collection box. Thus, the sufficient recovery and the cascade utilization of the waste heat are achieved.
Owner:XI AN JIAOTONG UNIV +1

Hybrid power vehicle power assembly control method

The invention discloses a hybrid power vehicle power assembly control method, and belongs to the control field of hybrid power vehicles. The hybrid power vehicle power assembly control method includes: obtaining running signals according to drive action of drivers, and then predicting current running conditions for the hybrid power vehicles, dividing the running conditions into country conditions, city conditions and high speed conditions, using a whole vehicle controller to receive current running condition information after confirming the current running conditions, and then reasonably selecting power allocation schemes according to whole vehicle demand torque and SOC states of batteries, reasonably allocating power, and achieving self-adaptive control for the different conditions. The hybrid power vehicle power assembly control method improves dynamic performance and fuel economy for the whole vehicles, can effectively control exhaust gas emission according to the different running conditions, accelerates development of environment friendly vehicles and green vehicles, and conforms to development demands of economy and environment protection.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Wireless management method and system for multiple frequency band network

The invention provides a wireless resource management method which is applied to the multi-frequency network and the system thereof. The method includes steps as following: step 1, a wireless network controller sends the broadcast message along with frequency band direction message to a user device, so as to inform the user device of whether to detect different frequency subdistrict or not in surrounding, the user device submits the user device capacity message to the wireless network controller, wherein, the message which to support the multi frequency or not is added into the user device capacity message; step 2, the wireless network controller ensures whether to inform the user device of the possibly existent different frequency list according to different frequency distribution and the user device capacity message, if needing to inform, the different frequency subdistrict message and the measuring control message are added into the adjacent subdistrict list to send to the user device; step 3, the user device measures the different frequency subdistrict and sends the measuring result to the wireless network controller; step 4, according to the measuring result, the wireless network controller switches between frequencies, or dictates the user device to reelect the different frequency subdistrict.
Owner:ZTE CORP

Sensor target assignment method and system for multi-objective optimization differential evolution algorithm

The invention discloses a sensor target assignment method for a multi-objective optimization differential evolution algorithm. The method includes the steps that objective importance degree calculation is carried out according to objective information, a sensor target assignment constraint multi-objective optimization function is built, distribution scheme codes and initial population chromosomes are generated, offspring scheme populations are generated through the differential evolution algorithm, population combination and screening are carried out, and a distribution scheme Pareto front-end solution set is obtained. The method is combined with the differential evolution algorithm, is easy to use in terms of population difference heuristic random search, is good in robustness and has the advantages of being high in global search ability and the like. A Pareto set multi-objective optimization assignment strategy is provided. A sensor utilization rate function is added on the basis of a sensor target monitoring efficiency function, an assignment problem is converted into a multi-objective optimization problem, sensor resources can be saved as much as possible on the condition that monitoring precision requirements are met, and reasonable and effective assignment of the sensor resources is achieved.
Owner:NO 709 RES INST OF CHINA SHIPBUILDING IND CORP

Light receiving and transmitting assembly for broadband parallel optics

The invention relates to a light receiving and transmitting assembly for broadband parallel optics, which comprises an MT (Manual Transmission) type optical connector and a lens base butted with the MT type optical connector, wherein the MT type optical connector is internally provided with linearly and uniformly arranged optical fiber arrays, the lens base is internally embedded with linearly and uniformly arranged lens arrays, the lens arrays and the optical fiber arrays in the MT type optical connector are aligned and coupled; and a VCSEL (Vertical Cavity Surfaceemitting Laser) array and a PD (Photoelectric Detector) array are assembled on a substrate and respectively connected with a conductive gold wire in a routing manner, the substrate is fixed and attached on the side surface of a PCBA (Printed Circuit Board Assembly) support member in a routing connection manner, a laser drive chip and a detector TIA (Totally Integrated Automation) chip are respectively arranged on an upper surface electrode and a lower surface electrode of the PCBA support member, and the PCBA support member connected with the substrate is abutted with the MT type optical connector connected with the lens base. The invention has the advantages of increasing the coupling efficiency of photoelectric devices and optical fibers, remarkably improving elements on the aspects of flexibility, process difficulty and the like, and meeting demands on parallel light receiving and transmitting.
Owner:INNOLIGHT TECHNOLOGY (SUZHOU) LTD

ICIC (Inter-cell interference co-ordination) parameter transmission method and resource distribution method, device and system

The invention discloses an ICIC parameter transmission method of a long-term evolution multi-carrier system, comprising the following steps of: determining the load and the interference conditions of all carriers or carrier sets in cells; and transmitting service cell information to each neighboring cell, wherein the service cell information carries cell identifications and carrier or carrier setidentifications and indicates the ICIC parameters of the load or the interference conditions of the carriers or the carrier sets corresponding to the carrier or carrier set identifications. The invention also discloses a carrier resource distribution method of the long-term evolution multi-carrier system, and a device and a system for realizing the two methods. The invention makes the transmission method of the ICIC parameters in the long-term evolution multi-carrier system clear and can distinguish a plurality of member carriers or carrier sets with same cell identifications through the modeof endowing each member carrier or carrier set with different identifications (such as numbers), thereby ensuring that the ICIC parameters between a source cell and a target cell can be smoothly transmitted.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Energy-saving type power-consumption-free single-phase alternating current motor starting protector with structure improvement

The invention discloses an energy-saving type power-consumption-free single-phase alternating current motor starting protector with structure improvement, and belongs to the technical field of refrigeration compressors. The energy-saving type power-consumption-free single-phase alternating current motor starting protector comprises a shell body, a shell cover, an overload protector, a power-consumption-free starter and an externally connected terminal mechanism, wherein an overload protector containing cavity, a power-consumption-free starter containing cavity, an externally connected terminal mechanism insertion cavity and a starting controller containing cavity are defined by the shell body; the shell cover is matched with the shell body; the overload protector is arranged in the overload protector containing cavity; the power-consumption-free starter comprises a power-consumption-free starter body and a starting controller; the externally connected terminal mechanism is matched with the externally connected terminal mechanism insertion cavity in an inserting mode. The energy-saving type power-consumption-free single-phase alternating current motor starting protector is characterized in that externally connected terminal mechanism insertion cavity comprises a first insertion sheet cavity, a second insertion sheet cavity, a third insertion sheet cavity and a fourth insertion sheet cavity. The externally connected terminal mechanism comprises a first insertion sheet, a second insertion sheet, a third insertion sheet, a fourth insertion sheet and a fifth insertion sheet. The first insertion sheet is matched with the first insertion sheet cavity in an inserting mode, the second insertion sheet is matched with the second insertion sheet cavity in an inserting mode, the third insertion sheet is matched with the third insertion sheet cavity in an inserting mode, the fifth insertion sheet is matched with the fourth insertion sheet cavity in an inserting mode, the fourth insertion sheet is in electrical connection with the overload protector, and the first insertion sheet and the third insertion sheet serve as transfer terminals to be connected with an externally connected power source and a capacitor.
Owner:CHANGSHU TIANYN ELECTROMECHANICAL

Macroporous aluminium oxide carrier and preparation method thereof

The invention discloses macroporous aluminium oxide carrier and a preparation method thereof. The aluminium oxide carrier uses aluminium hydroxide gel prepared by molten salt super-solubility micelle method as raw material; the preparation method comprises the following steps: shaping, drying, roasting, and dipping precursor solution containing modifying agent to obtain the macroporous aluminium oxide carrier containing modifying agent. During the preparation process of the carrier, as aluminium hydroxide gel contains surfactant and hydrocarbon component, nanometer aluminium oxide particles still have stick-shaped basic structure, wherein after shaping and roasting, aluminium hydroxide is dewatered through polymerization so as to form nanometer aluminium oxide particles; and nanometer aluminium oxide particles are stacked randomly to form a frame structure, and modifying agent is used to block most of small pores, thus reducing the active metal amount of the dipped carrier and achieving the aim of reducing the production cost of catalyst. The obtained aluminium oxide carrier has large pore volume and bore size, high porosity, larger outer pore mouth and good pore passage penetrability, thus the deposition of impurities can be increased and the operating period of catalyst can be prolonged.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method and system for scheduling mobile terminal to transmit ascending signal channel detection pilot frequency

The invention discloses a method for dispatching a mobile terminal to transmit up-channel detection pilot frequency, comprising: obtaining vacancy resource in each transmission time interval wherein the vacancy resource comprises time frequency resource which is not used for transmitting up-channel data; allocating the vacancy resource for each mobile terminal and indicating mobile terminal to send up-channel detection pilot frequency for allocated vacancy resource. Thus, the time frequency resource in system can be reasonably allocated and the waste of time frequency resource can effectively prevented, the utilization ratio of time frequency resource can be increased to a certain degree. The invention also discloses a communication device and communication system.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Interlayer coordination-based home network QoS guarantee method

The invention provides an interlayer coordination-based home network quality of service (QoS) guarantee method. The method particularly comprises the following steps of: parametrizing a QoS requirement parameter set of QoS extraction service through a service layer, and mapping the QoS requirement parameter set to be a QoS control parameter set required by a home network; and then instructing coordination between a media access control (MAC) layer and the service layer to guarantee the QoS by a resource management mechanism in combination with queue dispatching of the MAC layer and by an MAC mechanism according to the QoS control parameter set or feedback data obtained by the service layer, wherein the maximum available bandwidth data provided by a traffic monitoring layer of the resourcemanagement mechanism is used as the control basis; the QoS negotiation of the control layer and the service layer is admitted on the basis of the maximum available bandwidth data so as to cooperatively control the service and traffic entering the network; and the bandwidth information allocated by a resource allocation layer after the admittance of the service request instructs the queue dispatching of the MAC layer and the hybrid MAC mechanism. The method ensures that the QoS of the service in the network is effectively guaranteed in real time.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Method and device for allocating tasks to multiple servers

The invention discloses a method and a device for allocating tasks to multiple servers. The method comprises steps as follows: quantizing a load produced by a task allocated to each server, and obtaining a weight of each server; determining load balancing conditions of the multiple current servers according to the corresponding weight of each server and current connections established by each server; and allocating new tasks to the multiple servers according to the load balancing conditions of each server. According to the method, the load balancing conditions of the multiple current servers are determined according to the corresponding weight of each server and the current connections established by each server, so that the tasks can be reasonably allocated according to the load condition of each server, the data processing capacity is enhanced, the server resources are reasonably used, and the flexibility and the usability of the servers are improved.
Owner:DAWNING INFORMATION IND BEIJING

AMBA (Advanced Microcontroller Bus Architecture) bus based self-adaption real-time weighting prior arbitration method and arbitrator

InactiveCN103077141AReduce waiting timeMinimize the difference in latencyElectric digital data processingAdvanced Microcontroller Bus ArchitectureArbiter
The invention discloses an AMBA (Advanced Microcontroller Bus Architecture) bus based self-adaption real-time weighting prior arbitration method and an arbitrator. In once circulation, the priority levels of all main equipment are determined by a weighting factor; the greater the weighting factor is, the higher the priority level of the main equipment is; the priority levels of all the main equipment are re-sequenced after the bus arbitration at each time; after one of the main equipment obtains once bus authority, the corresponding weighting factor of the main equipment is progressively reduced by 1; along with the reduction of the weighting factor, the priority levels of all the main equipment are changed in real time; a new priority level sequence is taken as a basis for the next arbitration; and after the weighting factor of one of the main equipment is reduced to 0, the priority levels of all the main equipment are reset again and the next circulation is started. The defect of a weighting prior round-robin algorithm that the waiting time of the main equipment with low priority level in once circulation is over long is overcome, and meanwhile, the problem that the bus bandwidth distributed by each main equipment cannot change in real time according to the change in system function because the weighting factor is fixed is solved.
Owner:XI AN JIAOTONG UNIV

Dispatch server and distributed system for multimedia trans-coding

The invention discloses a distributed system for multimedia trans-coding, which comprises a user terminal, trans-coding servers and a dispatch server, wherein each trans-coding server consists of an active feedback module for feeding back operation state information thereof to the dispatch server in real time, and a trans-coding processing module for executing the trans-coding processing in a corresponding format according to a trans-coding task distributed by the dispatch server and returning executive results of the trans-coding task to the dispatch server; the dispatch server is composed of a register module for registering information of the trans-coding servers in a system, a user side interface module for receiving a trans-coding task request submitted by the user terminal and transmitting the executive results of the trans-coding task to the user terminal, a configuration module for configuring transmission parameters to the trans-coding task request, and a task distributing module for distributing trans-coding tasks to the corresponding trans-coding servers based on the transmission parameters and the operation state information feedback by the trans-coding server, whereinthe transmission parameters include priority parameters. The distributed system can ensure that the distribution of the trans-coding task is more efficient and reasonable, and saves system resources.
Owner:CHINA DIGITAL VIDEO BEIJING

Method and system for task distribution

The invention provides a method and a system for task distribution so as to solve the problems in the task distribution method in the prior art. The method comprises the steps as follows: enabling a task to enter a work queue, and distributing a target server of the task; when the task is deleted from the work queue, if an idle worker is existent on the target server, seizing and processing the task by the idle worker; and if the idle worker is inexistent on the target server, searching the idle worker closest to the target server of the task in all servers, and seizing and processing the task by the idle worker, wherein the worker is a task processing process or a task processing thread. The task is processed by the idle worker after the task is deleted from the task queue, so that the processing time is effectively shortened and the processing efficiency is improved; and meanwhile, the idle worker is selected according to the distance, so that the resource waste can be reduced.
Owner:阿里巴巴(中国)网络技术有限公司
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