77results about How to "Improve data access speed" patented technology

A data storage device includes a memory block, a data classification unit, and a memory control unit. The memory block includes a high-speed nonvolatile memory and a low-speed nonvolatile memory, wherein a data access speed of the high-speed nonvolatile memory is greater than a data access speed of the low-speed nonvolatile memory. The data classification unit classifies the externally input data into data groups including busy data and free data, where the busy data has greater access frequency than the free data. The memory control unit configured to store the externally input data classified by the data classification unit as busy data in the high-speed nonvolatile memory, and to store the externally input data classified by the data classification unit as free data in the low-speed nonvolatile memory.

The embodiment of the invention provides a distributed caching method and a distributed caching system, and relates to the field of data storage. The data access speed of the distributed caching system is increased. The method comprises the following steps that the distributed caching system acquires a data operation request of a service application, and performs hash operation according to a key value of data indicated to be operated by the data operation request to obtain the identification information of a virtual queue vBucket corresponding to the data; the distributed caching system acquires a corresponding relationship between the identification information of the vBucket and a caching service node, determines a first caching service node corresponding to the identification information of the vBucket according to the corresponding relationship, and allocates the data operation request to the first caching service node for corresponding data operation. The embodiment of the invention is used for distributed data caching.

A data access apparatus includes: a flash memory controller; a mirror means; and a flash memory including at least one data region and at least one mirror region. The mirror means copies data to form mirror data to the mirror region when the flash controller writes the data into the data region. The flash memory controller reads the mirror data to replace the data if the flash memory controller determines that the data include error(s) while the data are being read.

In a storage device including plural disk controllers, the invention reduces time required for failure recovery when a failure occurs in the disk controllers. The storage device includes n (n>2, where n is an integer) disk controllers. The disk controller includes a cache memory. Data of the cache memory is copied to another cache memory. When a failure occurs in the disk controller, data not written to a disk of the data copied to the cache memory is transferred to further another cache memory.

A semiconductor memory device having a partial activation framework, which provides an efficient page mode operation while operating in a partial activation mode. Control circuits and methods are provided to enable a page mode operation (for read and write data accesses) in a semiconductor memory device (such as a DRAM, FCRAM) having a partial activation framework, resulting in an improved data access speed when data is written/read from memory locations having the same wordline address. In one aspect, a method for accessing data in a memory device comprises activating a first wordline corresponding to a first address to perform a data access operation, receiving a second address after the first address, if the second address is the same as the first address, generating a page mode enable signal for maintaining an activated state of the first wordline corresponding to the first address while activating a second wordline corresponding to the second address, and deactivating the first and second wordlines in response to disabling of the page mode enable signal.

The invention relates to an auction bidding system based on a distributed non-blocking asynchronous message processing mode and an operation method thereof. The auction bidding system comprises an nginx server, a node server, a Tomcat cluster, a message queue, a bidding logic processing module cluster, and an Oracle database. A user initiates a request through a user terminal, and sends the request to the Tomcat cluster through the nginx server. The Tomcat cluster converts the request into a message, saves the message to the message queue, and gives a feedback to the user for response, wherein the feedback is used to remind the user that the request has been received and is being processed. The bidding logic processing module cluster processes the message in the message queue, and notifies the user of the processing result through the node server.

The invention relates to a flash memory storage system which comprises microcontroller, at least one flash memory of microcontroller with each flash memory including many entity storage blocks. Each entity storage block includes an entity address and many entity sectors which comprise at least one user data area and a logical address orienting fence, wherein each logical address orienting fence can write a logical address orienting data at user data area when it storage a entity data; logical address orienting data can log a corresponding logical address; a temporary storage which is connected with microcontroller can storage a connecting look-up table which can log each entity block's address and the corresponding logical address of logical storage block.

The invention discloses a method for improving speed of storage system data access. The method for improving the speed of the storage system data access is capable of obtaining all the input output requests for low speed storage media, and redirecting the input output requests to high speed storage media according to an access situation. Therefore the aim of improving the speed of the storage system data access is achieved.

The invention discloses a distributed architecture data consistency method based on a Zookeeper, and relates to the technical field of data processing. The method comprises the following steps of: initializing buffer data: loading data in a Zookeeper into a memory of each node after each node of the distributed system is started; defining a subscription monitoring method, each node subscribes to aZookeeper directory and data, deploying monitoring; and data synchronization: after monitoring the data change in the Zookeeper, updating the memory data of each node through a deployed monitoring method, and keeping the data synchronization among the nodes. According to the invention, a Zookeeper component is used as a cache data synchronization manager in a distributed architecture system; thedistributed multi-node cache data is synchronized in real time by utilizing a release and subscription mechanism of the Zookeeper, and meanwhile, the data access speed is greatly increased based on aZookeeper database of a memory, so that the performance and the data consistency are well improved in a distributed architecture system.

A fast speed computer system power-on & power-off method, that is used to reduce an amount of main memory transferred and stored from a main memory into a second storage device, thus speeding up a speed of re-activation of a computer system from a hibernation state into a full speed operation state. Said fast speed computer system power-on & power-off method is applicable to various types of computer systems, and can be used to write in and load back data in cooperation with a random access processing technology. In addition, said method can be used to reduce extent of data loss and damage of said computer system due to a sudden power outage of said computer system.

The cache control unit 15 of the mobile terminal 10 receives an access request for an instance of an object that specifies data to which applications 13 refers, and in the case that an instance of the object does not exist, creates an instance of the object and a counter. In addition, an instance of a reference setting class is created, the reference that refers to the instance of the requested object is set and the result is returned to the application 13, and the counter is incremented by 1. In the case that a release notification for the instance of the reference setting class is received, the counter is decremented by 1, and when the counter has reached 0, the instance of the object is released.

The invention discloses a method for realizing follow-up safe access of user data. A safe tunnel triggered by a user is realized to achieve safe transmission of non-inductive user data, then the isolation and safe access of the user data are accomplished by encryption technology irrelevant to a storage service provider, and the safe storage architecture method, which both has the speed and safety of private cloud and can provide the convenience of public cloud, can enable the user to truly experience the same safety and convenience of storing data on the cloud just like storing the data in local.

The invention discloses a data caching method and a data caching device based on a Java object. By the method, data in the database is cached in form of the Java object, a cache system provides the Java object in form of a jar packet, and the dependence on database in the data caching process in the application program accessing is avoided, so that in the accessing process of each application program, only the data object structure is considered by transferring the Java object in the cache data jar pocket and by using the java method for fast accessing, and the database data structure is not required to be considered; the data is acquired and displayed by using the uniform data reading method in the cache system, so that the development speed is greatly improved, and the waiting time of user is shortened. The data accessing speed after the application program is accessed is improved, and the network time delay caused by the object packaging and database visiting when the database is accessed is avoided.

The invention relates to a synchronous control method of a multithreading data acquisition system in an acquisition times control mode, and belongs to the technical field of ground penetrating radars. The method comprises the steps that a times integer variable for controlling data acquisition is pre-established; a value after addition processing and a value after division processing of the times integer variable are subjected to Boolean operation together with two control variables respectively; results of the Boolean operation serve as synchronous control signals of different threads; synchronous control of multithreading in the mode is achieved by criterion functions of the threads and assignments of the control variables; and all the acquisition data can be stored by the preset criterion functions written in the threads. According to the method, a control function of the ground penetrating radar multithreading acquisition system is achieved on the basis of a computer control theory.

A memory management method is provided according to an exemplary embodiment. The method includes: receiving a write command and determining whether a usage status of physical units associated to a storage area conforms to a first predetermined status; storing write data corresponding to the write command to at least one of physical units associated to a temporary area if the usage status of the physical units associated to the storage area conforms to the first predetermined status; associating the at least one physical unit storing the write data to the storage area; and allocating at least one logical unit to map the at least one physical unit associated to the storage area.

A liquid crystal display system with a storage capability includes an image input interface, a buffer, a de-interlacing device, an upscaling/downscaling device, an image processing device, an image processing device, a buffer controller, a storage media interface and a direct memory access controller. The image input interface is used for receiving an image data stream. The buffer is coupled to the image input interface and used for temporarily storing the image data stream. The storage media interface is coupled to external storage media and the buffer and used for sending an image data stream stored in the storage media to the buffer for display, or sending an image data stream stored in the buffer to the storage media for storage. The direct memory access buffer controller is used for increasing a data access speed between the storage media interface and the buffer.

A non-volatile memory device, a data access circuit and a data access method are provided. The non-volatile memory device includes a main controller, a plurality of sub-controllers and a plurality of memory blocks. The sub-controllers are coupled to the main controller and are used to execute the tasks assigned by the main controller. The memory blocks are respectively coupled to the corresponding sub-controllers. The main controller is used to divide a received main data into a plurality of sub-data, and the sub-data are respectively saved in the memory blocks through corresponding sub-controllers. Therefore, the data access speed of the non-volatile memory device is substantially speeded-up.

The invention discloses an adaptive bandwidth control method. The method comprises the following steps that: network access equipment adopts distributed deployment, a plurality of terminal devices areaccessed to different network access devices, wherein the plurality of terminal devices belonging to the same enterprise account are limited by the total signing bandwidth of the enterprise account;different network access devices carry out bandwidth automatic adaptive distribution on different terminal devices of the enterprise, and different network access devices independently calculate bandwidth control values of all accessed terminal devices of the enterprise under the network access device in one period; and according to the calculated bandwidth control value, carrying out bandwidth speed limiting operation on the terminal equipment accessed by the enterprise under the network access equipment in the next period. According to the method disclosed by the invention, the enterprise-oriented network access system can provide a bandwidth of a shared resource for different users belonging to the same enterprise, and dynamically adjust the bandwidth control value distributed by each terminal access device in real time according to the bandwidth use condition.

A cache apparatus for increasing data accessing speed of a storage device includes: a non-volatile memory, for storing data; a memory controller, coupled to the non-volatile memory, for controlling data accessing operations of the non-volatile memory; a first transmission interface, coupled to the memory controller, for electrically connecting the memory controller to the storage device; and a second transmission interface, coupled to the memory controller, for electrically connecting the memory controller to a user-end personal computer.

The invention relates to the technical field of cache using, in particular to a chip and an electronic device. The chip comprises a processor and a cache. The cache comprises a caching mode and a storage mode; when the cache is located in the caching mode, the cache is used as a caching storage, and when the cache is located in the storage mode, the cache is used as a first on-chip storage. By means of the application mode of the chip and the electronic device in the embodiment, the on-chip storage space of the processor is enlarged, the data access speed of the processor is increased, and the performance of the chip is improved.