49results about How to "Improve reading and writing efficiency" patented technology

The invention relates to the technical field of solid state disk performance monitoring, in particular to a real-time performance detection method and system for a solid state disk. The method comprises the following steps: carrying out idle sector identification on the solid state disk, and carrying out tag block normalization operation implantation processing to obtain a plurality of normalization operation implantation tag blocks; carrying out sequential data access request on the plurality of normalized operation implantation mark blocks, carrying out hard disk magnetic head seeking trace analysis, and constructing a global seeking trace; carrying out mark block theoretical access speed calculation on the global seek tracking trajectory, and carrying out access delay calculation, so as to obtain hard disk normalized access delay data; and carrying out verification block progressive implantation analysis on the solid state disk, and carrying out hard disk load evolution so as to generate hard disk load data of each scheme. According to the invention, accurate and real-time solid state disk performance detection is realized.

The embodiment of the invention discloses a solid state disk read-write method and a computer readable storage medium. The method is applied to a read-write module in a kernel module of an operating system. The read-write module is used for maintaining a continuous virtual memory page space and a distributed memory page distributor, the virtual memory page space is composed of a plurality of virtual memory pages, and each virtual memory page is in one-to-one correspondence with a solid state disk page; the distributed memory page distributor is composed of a plurality of working threads, and each working thread manages a local memory pool composed of physical memory pages; the method comprises the following steps: analyzing an obtained read-write instruction to determine to-be-processed target data and a read-write demand; positioning a corresponding virtual memory page and a physical memory page according to the target data address; and processing the target data in the solid state disk page and / or the physical memory page according to the read-write demand so as to complete the read-write operation of the target data. The file reading and writing efficiency of the solid state disk can be improved.

The embodiment of the invention provides a data transmission method and a computing node. The method is applied to a first computing node of a computer cluster, the computer cluster comprises a plurality of computing nodes, a storage node and computing interconnection CXL equipment, the plurality of computing nodes are connected with the storage node through the CXL equipment, and the plurality of computing nodes are further connected through Internet links. The method comprises the steps that a first computing node stores target data in a target storage position of a target storage node through CXL equipment, the first computing node is any computing node in a plurality of computing nodes, and the storage nodes comprise the target storage node; the first computing node sends a notification message to the second computing node through the internet link, the notification message comprises the node information of the target storage node and the target storage position, and the second computing node is any computing node except the first computing node in the plurality of computing nodes. Through the method, the data transmission efficiency in the computer cluster can be improved.

The embodiment of the invention provides a hard disk read-write method and device, a storage medium and electronic equipment, and relates to the field of computers.The hard disk read-write method comprises the steps that the decibel value, detected by a noise sensor, of noise formed when a fan works is obtained, and the Hertz value, detected by a vibration sensor, of vibration caused when the fan works is obtained, the noise sensor and the vibration sensor are located in a fan frame of the server; determining the influence degree of the noise and the vibration on the performance of the hard disk in the server according to the acquired decibel value and the acquired hertz value to obtain a target influence degree; and under the condition that the target influence degree is greater than or equal to a preset influence degree, changing a read-write strategy of the hard disk according to the target influence degree. By adopting the scheme, the problem that the read-write data is easy to lose when the hard disk performance is poor due to the fact that the hard disk read-write strategy in the server is fixed is solved.

The invention provides a database multi-transaction processing method and device, equipment and a storage medium, and can be applied to the technical field of databases. The method comprises the following steps: in response to at least one write transaction request and read transaction request for a database, obtaining transaction time sequence identifiers respectively corresponding to the write transaction request and the read transaction request; executing at least one write transaction request for a target key of the database to obtain at least one key value and an operation attribute corresponding to the at least one key value; according to the transaction time sequence identifier corresponding to the ith write transaction request, index query ranges corresponding to the (i-1) th key value and the ith key value are determined, the ith key value is obtained based on the ith write transaction request operation, and i is larger than 1 and is a positive integer; and executing the read transaction request bound with the index key value, and determining a target query result according to the transaction time sequence identifier corresponding to the read transaction request and the respective index query range and operation attribute of the at least one key value.

The invention discloses a thread data reading and writing-back method and device, equipment and a storage medium, and relates to the field of data read-write, and the method comprises the following steps: marking a plurality of operands based on operand types of the operands in a current branch thread to obtain a plurality of corresponding marked operands; if a reading request is received, determining whether an operand corresponding to the request is marked as a reusable operand or not; if yes, reading cache data corresponding to the operand from a preset cache; if not, reading target data corresponding to the operand, and storing the target data to a preset cache; if the write-back request is received, determining whether an operand corresponding to the request is marked as a reusable operand or not; if yes, the requests are added to a local cache queue, and merging and data writing-back are carried out based on the requests in the queue when the queue is full; and if not, writing the data corresponding to the operand into the target register. Therefore, the read-write efficiency of the data can be improved.

The embodiment of the invention provides a data transmission method and a computing node. The method is applied to a first computing node of a computer cluster, the computer cluster comprises a plurality of computing nodes, a storage node and computing interconnection CXL equipment, the plurality of computing nodes are connected with the storage node through the CXL equipment, and the storage node comprises a message space and a data space. The method comprises the steps that a first computing node stores target data in a first storage position through CXL equipment, the first computing node is any computing node in a plurality of computing nodes, and a data space comprises the first storage position; the first computing node stores a notification message corresponding to the target data in a second storage position through the CXL equipment; the notification message is used for notifying the second computing node that the target data is stored in the first storage position, the second computing node is any computing node except the first computing node in the plurality of computing nodes, and the message space comprises a second storage position. Through the method, the data transmission efficiency in the computer cluster can be improved.

The embodiment of the invention provides an acceleration unit, a computing device, a system on chip and a message transmission acceleration method, and the acceleration unit comprises a receiving subunit which is used for receiving a network message through a network; the message writing subunit is used for determining a target memory buffer area from a plurality of memory buffer areas according to the state information of the memory buffer areas, and writing the network message into the target memory buffer area; and the queue writing subunit is used for writing the address information of the target memory buffer area into a completion queue after the network message is written into the target memory buffer area, so that a message receiving end on a host reads the network message from the target memory buffer area according to the completion queue. According to the scheme, the packet receiving efficiency of the network message can be improved.

The present invention provides a chip reading and writing device, a reading and writing method, an electronic device, a medium and a program product. The chip reading and writing device includes a frame, a fixing component, a container, a reading and writing component and a clamping component; the fixing component is arranged on the frame and is used to fix the consumables to be read and written; the reading and writing component includes a plurality of electrical connectors, the container is used to accommodate the plurality of electrical connectors, and the clamping component is used to selectively clamp the electrical connector and drive the electrical connector to move so that the electrical connector is electrically connected to the chip. The chip reading and writing device, the reading and writing method, the electronic device, the medium and the program product provided by the present invention have high reading and writing efficiency for consumable chips.

The invention provides a baseband software storage resource allocation method and device, equipment and a storage medium. The method comprises the steps that a first bandwidth accessed by a first object to a DDR, a first priority of the first object, a second bandwidth accessed by a second object to the DDR and a second priority of the second object are configured; initializing a bandwidth adjustment step length; after the business is started, monitoring first access data of the first object to the DDR and second access data of the second object to the DDR; and adjusting the first bandwidth and the second bandwidth of the next time slot according to the first access data of the current time slot, the first bandwidth of the current time slot, the first priority, the second access data of the current time slot, the second bandwidth of the current time slot, the second priority and the bandwidth adjustment step length. The dynamic adjustment of the bandwidth is realized, the storage read-write efficiency is optimized, the overall processing performance is improved, limited storage resources are effectively managed and utilized, the competition for the storage resources is reduced, and the service problem caused by resource scrambling is avoided.

The invention relates to the technical field of computer visualization, and discloses a mass stratum data scheduling and visualization method, device, equipment and medium, and the method comprises the steps: initializing an LOD model according to user interaction parameters to obtain attribute display parameters, and determining a data display range according to the attribute display parameters; scheduling data block index numbers in a data display range by using a multi-resolution data scheduling algorithm; judging whether a target data block corresponding to the data block index number exists in a buffer area or not; when the target data block exists in the buffer area, displaying the target data block through a display thread; when the target data block does not exist in the buffer area, sending the target data block into the buffer area through the data read-in thread, and returning to the step of displaying the target data block through the preset display thread; and performing data assembly drawing on the displayed target data block to obtain visual stratum data. According to the invention, the efficiency of mass stratum data scheduling and visualization can be improved.

A massive telemetering data characteristic value processing method based on time fragmentation and double compression comprises the following steps: receiving satellite telemetering original stream data in real time, performing formatting analysis, extracting a baseband timestamp, a telemetering code and an engineering value field, and generating a standardized telemetering engineering value frame; fragmenting the telemetering engineering value frame based on a timestamp, determining a triple composed of the timestamp, a date to which the timestamp belongs and a telemetering code as a storage sub-partition key, and dynamically allocating data to a corresponding storage partition according to the key for storage in a disk; carrying out historical archiving on the stored telemetering engineering value frames by adopting double-compression processing; constructing a shared bulletin board task model, and registering all to-be-calculated feature tasks to a shared bulletin board queue by taking a combination of a telemetering code, a processing time slice and a processing identifier as a bulletin board key value; and the thread pool obtains task entries in the shared bulletin board queue in parallel based on a shared lock queue mechanism, and reads satellite telemetering point information from the shared memory.

The invention provides a data processing method and device and electronic equipment, and relates to the technical field of data processing. The method comprises the following steps: firstly, receiving a data operation request sent by a target object; after a data operation start message is sent to the message queue, a target memory node corresponding to the inventory data is determined based on the association relationship between the data identifier of the inventory data and the memory node, and the data operation request is forwarded to the target memory node; then judging whether a data operation result returned by the target memory node is received or not; if yes, sending a data operation success message to a message queue and the target object; if not, a data operation rollback message is sent to the message queue, and a data operation failure message is returned to the target object, by adopting the mode, the read-write efficiency of the inventory data can be improved, it is guaranteed that the inventory data can be returned to the state before operation after operation failure is caused by abnormal interruption of a network or other reasons, and the user experience is improved. And the accuracy and consistency of the data are ensured.

The present invention discloses a method for producing a medical reminder paper box based on RFID technology, comprising the following steps: step (1), die-cutting a printed paper box into a single-piece structure, and reserving a chip position on the edge; step (2), placing a wet Inlay containing an RFID antenna and an RFID chip on an automatic labeling device; step (3), placing a die-cut single piece of paper box in a feeding mechanism of a box-gluing machine; step (4), when the die-cut single piece of paper box passes through a paper box conveyor belt, a photoelectric sensor senses the edge position of the paper box, transmits a signal to a PLC logic controller, and the PLC logic controller calculates the labeling time according to the Inlay length and the chip position, and triggers the labeling device; step (5), the paper box with the Inlay attached continues to move forward, and the forming process of the paper box is completed according to the normal box-gluing process. The present invention optimizes the production process, improves production efficiency, and enhances market competitiveness by adding an automatic wet Inlay labeling module after the discharging device of the box-gluing machine, combining the paper box edge design and positioning labeling.

The present invention provides a data import method, device and equipment, which can be applied to the field of data processing technology. The method includes: in response to a data import instruction, establishing a connection relationship between the data to be imported and the target database, the data to be imported includes multiple format types, the data to be imported includes multiple row data, and at least two of the multiple row data are associated with the same format type; according to the read-write control identifier corresponding to the format type, updating the read-write properties of the multiple row data of the data to be imported, obtaining the updated source data, and writing the source data into a shared memory queue; using a parallel parsing thread to parse the source data in the shared memory queue to obtain a tuple corresponding to the source data; and writing the tuple into a target file of the target database.

The invention relates to a file pre-distribution method and device, equipment and a storage medium. When it is detected that a secure digital card is inserted into target equipment, the secure digital card is mounted, and the target equipment is embedded equipment supporting an exFAT file system; detecting a first file system format of the secure digital card, and if the first file system format is not a target file system format, converting the first file system format into the target file system format; performing file pre-distribution processing on the secure digital card after format conversion to obtain a pre-distribution file; compared with the prior art, the technical scheme of the invention can improve the file pre-distribution efficiency of the secure digital card.

The invention relates to the technical field of computers, and provides a frame buffer storage method and device. The method comprises the following steps: acquiring a target refresh area of a current frame and refresh data of the target refresh area; determining target refresh data of the current frame based on a historical refresh area of a previous frame of the current frame, the target refresh area and refresh data of the target refresh area; and indicating a target frame buffer to store the target refresh data. According to the invention, the target refresh data required by the current frame can be accurately locked according to the relationship between the current frame and the previous frame, and the target frame buffer is indicated to store the target refresh data of the current frame, so that the read-write rate of the frame buffer is ensured, and the picture fluency of a display end is improved.

This invention discloses a controller and control method for SRAM erase protection verification in an MCU architecture, belonging to the field of memory technology. This invention solves the problem that existing devices cannot simultaneously include multiple functions. By employing an SRAM erase protection verification device, write protection can be configured for each page individually, achieving write protection for SRAM data. The entire SRAM data is erased, and after erasure, write protection and data verification functions continue to be executed, improving read / write efficiency. Furthermore, SRAM data can be verified. When the SRAM controller reads any address, it latches that address and pulls up the read verification flag for that address. Then, an even-number verification is performed on the byte with the verification bit and the latched address. If the verification result is low, the verification passes; otherwise, it indicates a data error, and the error verification result is fed back to the system, thereby meeting the high requirements of the system for the SRAM controller.

The invention relates to a read-write method and a read-write system for an MCU embedded memory, which are applied to the technical field of read-write, and the read-write method comprises the following steps: an upper computer sends an operation instruction, and the operation instruction comprises a read operation instruction or a write operation instruction; the simulator is used for receiving the operation instruction and transmitting the operation instruction to the MCU chip; and the emulator is used for configuring the MCU chip and controlling the MCU chip to execute an operation corresponding to the operation instruction. The method has the technical effects that data downloading and backward reading can be carried out on the MCU embedded memory of Manchester encoding single-wire communication, and the data can be verified after backward reading, so that the MCU can normally run a program, the use of chip pin resources is reduced, and the data reading and writing efficiency is improved.

The embodiment of the invention discloses an optical disk, an optical drive and an optical drive control method. A guide layer in the optical disc is provided with a spiral groove, a first groove brim of the groove is provided with a waveform, the waveform is used for carrying guide information, and a second groove brim of the groove is not provided with a waveform. According to the invention, the groove brim at one side of the groove has a waveform, and the groove brim at the other side has no waveform, so that when the position of the optical head corresponds to the groove, the waveform-free groove brim does not interfere with information reading, and guiding information can be read. Besides, for a bank structure formed between two adjacent circles of grooves, the groove brim on one side of the bank structure has a waveform, and the groove brim on the other side of the bank structure has no waveform, so that when the position of the optical head corresponds to the bank structure, the waveform-free groove brim does not interfere with information reading, and the guide information can be read. Therefore, read-write operation can be performed in the recording layer, at the position corresponding to the groove and at the position corresponding to the bank structure, and thus the storage density of the optical disc can be improved.

The invention discloses a data management method and device of a weak current system, computer equipment and a storage medium, and the method comprises the steps: collecting initial data through sensors disposed at a plurality of nodes of the weak current system, and transmitting the initial data to data collection equipment through a first communication protocol; performing first preprocessing on the initial data through the data acquisition equipment to obtain target data, and sending the target data to a data processing center through a second communication protocol; dividing the target data into a plurality of data fragments through the data processing center, and sending the plurality of data fragments to a plurality of first storage nodes in a distributed manner; and executing a corresponding copy strategy through each first storage node, and copying the data fragment to a second storage node, so that the second storage node stores the data fragment. Therefore, a huge amount of data generated by the weak current system can be safely and effectively managed.

The invention provides an SSD bad block remapping method and device and computer equipment, and the method comprises the steps: reading a first-level remapping table and a second-level remapping table from an NAND to an SSD when the SSD is powered on; wherein remapping summary information of each super block is recorded in the primary remapping table, and remapping detailed information of each super block is recorded in the secondary remapping table; when a read-write instruction of a host is received, inquiring the first-level remapping table to judge whether physical block remapping exists in the super block needing to be read and written currently or not; if the super block has physical block remapping in the first-level remapping table, querying and obtaining the position of physical block remapping from the second-level remapping table according to summary information recorded in the first-level remapping table; and performing read-write operation according to the remapping position of the physical block. The method has the beneficial effects that the remapping bad block can be quickly queried on the basis of small memory overhead, so that the read-write efficiency is improved, and the read-write performance of the SSD is improved.

The present application relates to a data processing method, device, computer equipment, storage medium and computer program product. The method comprises: receiving a data stream through a data access unit, wherein the data stream contains a compressed data packet. Based on a preset data storage path, the data stream is stored in a distributed storage space. According to a preset time interval and a preset data storage path, the data in the stored data stream is scanned to detect whether there is a signal file in the data stream. If a signal file exists, the compressed data packet in the data stream is decompressed, and the decompressed data is stored in the distributed storage space based on a preset data query path. The use of this method improves the efficiency of reading and writing data.

The invention relates to a database table read-write method and device, computer equipment, a storage medium and a computer program product, and is applied to the technical field of big data. The method comprises the following steps: determining to-be-transmitted financial data, and obtaining data partition information corresponding to each piece of to-be-transmitted financial data from a first database table; based on the data partition information, performing concurrent reading on the to-be-transmitted financial data corresponding to different data partitions in the first database table; and concurrently writing the concurrently read financial data to be transmitted into a second database table according to the data partition information. By adopting the method, concurrent writing and concurrent reading of the data of different data partitions can be realized based on the data partition information of the financial data to be transmitted, and due to the fact that reading and writing of the data of different partitions do not influence each other, the mode can be beneficial to improving the reading and writing efficiency of a financial database table.

The present invention discloses a HDFS protocol data mapping and transmission method for a distributed file system, comprising: determining an obj size consistent with a block size in advance according to a block size, and establishing a mapping relationship between a block and obj; receiving a read and write request sent by an HDFS client, and determining the current obj according to the current block and the mapping relationship between the block and obj; calculating the target node IP where the main disk corresponding to the current obj is located according to the information of the current obj; returning the target node IP to the HDFS client, so that the HDFS client sends the corresponding data to the HDFS file server corresponding to the target node IP, and stores the data on the main disk through the HDFS file server; the present invention does not require a distributed storage client to forward data during use, thereby improving data reading and writing efficiency, reducing network bandwidth consumption, and being beneficial to improving system performance.

The invention provides a method, system and equipment medium for an Internet of Things platform to collect OPCDA protocol data, and belongs to the technical field of the Internet of Things. The method comprises the following steps: establishing communication connection between a client and an OPCDA server; the client sends a data request to the OPCDA server according to a service demand, and converts data acquired from the OPCDA server into data which can be identified by the Internet of Things platform; the client sends the converted data to a service end through a message queue; the service end stores the data received from the client into a relational database and a time sequence database; and the client requests the OPCDA server to cancel the connection. According to the invention, the rapid transmission and sharing of data are realized, the same operating system environment does not need to be maintained between the client and the OPCDA server, the dependence on the development environment is reduced, the development cost is obviously reduced, and the data interaction efficiency between the industrial system and the application of the Internet of Things is improved.

The invention relates to the technical field of artificial intelligence security, and provides a machine learning data forgetting verification system and method. The system comprises a data storage component, a model linked list component, a key linked list component and a filter, wherein the key linked list component and the filter are arranged in a trusted execution environment. The method is suitable for a universal machine learning model, correctness of data forgetting execution of the server is asserted by verifying validity of a data deletion proof sigma d, a model learning proof sigma m and a model prediction proof sigma p, and machine learning data forgetting verification can be efficiently realized; according to the method, the trusted execution environment is adopted as a secure memory area, potential integrity attacks can be effectively prevented, and in cooperation with a high-memory-efficiency data structure composed of a key chain table assembly and a filter arranged in the trusted execution environment and a data storage assembly and a model chain table assembly arranged outside the trusted execution environment, the security of the trusted execution environment is improved. High data read-write efficiency and high machine learning data forgetting verification efficiency can be realized under the condition of low calculation cost.

The invention discloses a method for effectively improving read-write efficiency and concurrency of small file use storage, which comprises the following steps of: merging a plurality of small files in storage, and packaging the plurality of small files into a storage block; adjusting a read-write scheduling algorithm according to the access mode of the file to ensure that the frequently accessed file is preferentially loaded; and a lock mechanism and read-write priority control are introduced to realize concurrency control, so that data conflicts cannot be generated during concurrent access of multiple threads or processes to small files, and meanwhile, the concurrency capability is maximized. According to the method, storage fragments are reduced by combining the small files, the scheduling algorithm is optimized, the access response speed is increased, concurrency is controlled, data conflicts are avoided, the read-write efficiency and concurrent processing capacity of small file storage are effectively improved, and the method is suitable for small file intensive storage scenes.

This specification provides a transaction processing method and apparatus for use in a database management terminal, which manages relational databases. The transaction processing method includes: determining a target transaction based on the database logs of the relational database; determining the data file corresponding to the target transaction in the relational database and the memory object corresponding to the target transaction in memory space; establishing a mapping relationship between the target transaction, the memory object, and the data file, and storing data from the data file into a memory block contained in the memory object based on the mapping relationship; wherein the memory blocks storing the data constitute a storage link; and reading the target data corresponding to the target transaction from the memory block contained in the memory object based on the storage link, for executing the target transaction. Storing data based on the mapping relationship achieves ordered data writing, avoiding the performance overhead of random writes; and reduces the number of bytes read during data reading, improving data reading efficiency.

The present invention discloses a flash memory, comprising: a gate stack structure, a channel column, a first conductor column and a second conductor column with a gate dielectric layer. The gate stack structure comprises multiple gate layers electrically insulated from each other. Each gate layer comprises: a first gate portion, a second gate portion and a ferroelectric portion. The thickness of the second gate portion is less than the thickness of the first gate portion. The ferroelectric portion is arranged between the side wall of the first gate portion and the side wall of the second gate portion. The channel column runs through the gate stack structure. The first conductor column and the second conductor column are arranged in the channel column and run through the gate stack structure. The first conductor column and the second conductor column are separated from each other and are respectively connected to the channel column. The gate dielectric layer is arranged between the other side wall of the first gate portion and the channel column.