58 results about "Page frame" patented technology

The invention relates to the technical field of UI design, can be applied to business scenes such as financial science and technology and medical health, and discloses a page layout method based on display material driving, which comprises the following steps: obtaining page display materials and storing the materials in a material resource library, selecting target display materials and generating a page frame, inserting display blocks of preset elements in the page frame, and displaying the preset elements in the display blocks. Generating visual preview data based on layout parameters of the page frame, outputting the visual preview data to an interface rendering processing module, performing association coding on coordinate mapping data of the page frame and a content identifier of the display block to generate a structured storage file, analyzing terminal feature parameters in the access request, generating an access identifier, and displaying the access identifier to the interface rendering processing module. And generating a target display interface according to the access identifier. According to the method and the device, the association relationship between the display material and the coordinate mapping data and the content identifier is established, and the layout metadata and the rendering parameters are extracted in combination with the terminal features to complete interface generation, so that the adaptation accuracy of structured expression of page configuration and interface output is realized.

The invention relates to the technical field of computer system structures and storage, in particular to a non-volatile memory quick recovery method based on metadata priority and on-demand loading. The method comprises the following steps: in response to a system fault signal detected by a voltage monitoring unit, freezing a processor context and traversing a page table structure to extract system configuration information; writing the system configuration information and business data codes in the volatile memory into a nonvolatile medium to generate a persistent state mirror image; analyzing the persistent state mirror image, extracting address conversion metadata, and reconstructing a mapping relation from a virtual address to a physical page frame in a volatile memory; and generating an address mapping table, wherein the physical page frame pointed by the address mapping table is set to be in an existing state but is not associated with the effective service data. According to the method, decoupling of the control flow and the data flow is realized by constructing a virtual ready state, and quick starting of the system and immediate response of key services are realized on the premise of not depending on the total capacity of a memory.

The invention provides a page rendering method and device, equipment, a storage medium and a program product. The embodiment of the invention can be applied to page rendering scenes of applets of application software, operating systems and the like; the method comprises the following steps: in response to a starting operation for an applet, pulling up a browser process of a browser through a client process, and executing a business logic code of the applet through the browser process; calling a first rendering function for the page frame of the applet in response to the business logic code, and sending a calling processing request to the client process through the browser process; in response to the call processing request, determining a corresponding second rendering function for the first rendering function through the client process, and calling the second rendering function; and performing graphic rendering on the page frame of the applet through the second rendering function to obtain a rendering result of the page frame of the applet. Through the application, the risk that the applet is forcibly closed can be reduced.

The invention discloses a memory management method and device, a computer system and related equipment, and the memory management method comprises the steps: obtaining a first memory distribution request of a thread, the first memory distribution request being used for requesting to distribute a corresponding first memory block; when a first memory allocation request of a thread is obtained, obtaining information of a CPU running the thread; according to the information of the CPU of the running thread, obtaining a Per-CPU page frame cache of the CPU of the running thread; when the corresponding first memory block exists in the Per-CPU page frame cache, the corresponding first memory block is acquired from the Per-CPU page frame cache and allocated to the thread; when the corresponding first memory block does not exist in the Per-CPU page frame cache, performing first filling processing on the Per-CPU page frame cache; and after first filling processing is carried out on the Per-CPU page frame cache, obtaining a corresponding first memory block from the Per-CPU page frame cache and allocating the first memory block to the thread. According to the technical scheme, affinity of thread data can be achieved, and locality of memory access of the processor is kept.

The invention discloses a memory fault processing method and device during writing, a terminal and a storage medium, and belongs to the field of memorys.The method comprises the steps that when a memory unrecoverable fault processing method is executed, whether a memory synchronization fault exists or not is judged, and when the memory synchronization fault exists, context register information of an interrupted process is obtained, and a value of a program counter is obtained; determining an address of the interrupted instruction, reading a binary code corresponding to the interrupted instruction based on the address of the interrupted instruction, and analyzing an operation code in the binary code; determining whether the currently interrupted process is in a write operation stage or not according to the analysis result of the operation code, and when the currently interrupted process is in the write operation stage, determining that a memory fault occurs during writing; when anonymous mapping is carried out, a new physical page frame is distributed, and the new physical page frame is used for replacing an original faulty physical page frame; determining all page table items related to the original fault physical page frame; and replacing the original information in all the page table entries with new physical page frame information.

The present application provides a method and apparatus for paging, which are used to solve the problem of how to map paging early indication PEI with multiple paging occasions PO or multiple PO subgroups. The method includes: a first terminal device UE receives first information, and the first information is used to indicate whether the paging occasion PO subgroup configured by the first paging frame PF carries paging data, the first PF is located in a first time window, the first UE corresponds to the first PO subgroup, and the first PO subgroup belongs to one of the PO subgroups configured by the first PF; the first UE determines whether the first information indicates that the first PO subgroup carries paging data based on the first PO subgroup and the first association relationship, wherein the first association relationship is used to indicate the correspondence between the first information and the PO subgroup configured by the first PF.

There is provided a method, system and non-transitory storage medium for serving a large language model (LLM) engine by allocating memory on demand. A virtual memory space with virtual pages is initialized for a tensor. A first request with first input tokens is received, added to the tensor by being allocated to first virtual pages and mapped to first page frames in physical memory. The tensor is provided to the LLM engine for processing. A second request with second input tokens is received, and a first output token is received from the LLM engine. The first output token is added to the tensor by being allocated to a second virtual page contiguous to the first virtual pages and mapped to a second page frame. The second input tokens are allocated to second virtual pages and mapped to second page frames in physical memory. The tensor is provided for further processing.

Providing a service to obtain attributes of memory frames includes receiving a query indicating a range of memory locations from a program. The method also includes identifying, in response to the query, page frame table data for one or more real memory frames corresponding to the range of memory locations. The method also includes generating, based on the page frame table data, defined output data describing attributes of the one or more real memory frames.

A computer-implemented method by which an operating system (200) communicates with a first application (102) and a second application (104), the method comprising: Receiving a first physical address from the first application (102), wherein the first application (102) has a first page table (110) and the first physical address is determined by mapping virtual pages of the first application into physical pages of a memory using the first page table (110), and using a first physical page frame number and a first offset to determine the first physical address corresponding to the first application; communicating the second application with the first application using an application offset (106), wherein the application offset (106) is applied to the first physical address to determine a second physical address corresponding to the second application; and Determining a virtual operating system (OS) level address based on the first physical address to achieve data transfer, wherein the virtual operating system (OS) level address is determined by a kernel translation table (210) based only on the first physical address, and wherein the operating system (200) communicates with the first application (102) and the second application (104) only via the first physical address.

The invention provides an operating system kernel adaptive page granularity dynamic management method and a related device, and relates to the technical field of computer operating system memory management. Monitoring the utilization rate of a physical memory in real time through a kernel recovery thread, and generating a trigger signal when detecting that an idle memory is lower than a preset threshold value; scanning a to-be-recycled large page according to the trigger signal and executing a large page splitting operation; counting page access frequency in real time through a hardware counter, and judging whether a preset merging condition is met or not according to the page access frequency; if yes, executing an active merging operation; atomizing and updating a page frame descriptor, a partner system and page table mapping; the TLB cache is refreshed, and the hit rate is improved to complete efficiency gain closed loop. The system performance and compatibility are improved while the memory utilization rate is guaranteed.

The embodiment of the invention provides a page processing method and a page processing model training method.The page processing method comprises the steps that a to-be-processed page frame sequence is obtained, and the to-be-processed page frame sequence comprises a page image sequence corresponding to a target page in the loading process; the to-be-processed page frame sequence is input into a target page processing model, a target time interval is obtained, and the target time interval is obtained in the mode that the target page processing model positions the starting point and the ending point of the loading process of a target page in the time dimension. The efficiency and accuracy of identifying the target time interval are improved, the determined target time interval is the time interval conforming to the actual visual perception of the user, and the page loading performance can be accurately evaluated and optimized based on the target time interval to improve the user experience.

Dynamic memory area configuration for building page frame table entries. Dynamic memory area configuration includes the steps of: designating a portion of memory as a specialized memory unit; and reserving a first portion of the specialized memory unit for a plurality of page frame table entries (PFTEs) representing a plurality of frames in the specialized memory. Storing one or more of the PFTEs in respective queue entries in a queue in the reserved area of ​​the specialized memory unit. A particular queue entry indicates that a particular PFTE associated with a particular frame is available for use. Receiving an offline request to take a second portion of the specialized memory unit offline. Whether the second portion of the specialized memory unit satisfies the offline request is determined based on whether the second portion of the specialized memory unit has an associated queue entry in the queue indicating that the associated frame is not in use to back a page frame table (PFT) or part of the specialized memory unit.

The application discloses a memory management method, device, equipment and medium, and the method comprises the following steps: constructing a memory management driver module in a kernel layer of a server, determining the number of page frames occupied by a page frame descriptor table; determining the number of page frames occupied by an idle page number table; determining the number of page frames occupied by a page table unit; applying page frame memory according to the number of page frames occupied by the page frame descriptor table; applying the page frame space occupied by idle pages according to the number of page frames occupied by the idle page number table; applying the page frame space occupied by the page table unit and general memory pages according to the number of page frames occupied by the page table unit; initializing the page table unit, and mapping the page frame descriptor table area, the idle page number table area and the page table unit area to a user layer of the server, so that the user manages the memory of the server through the user layer. The method solves the problems of high cost, high risk and low efficiency of traditional memory management by using a hierarchical management architecture and a direct management mechanism of the user layer, and realizes efficient and stable management of a large amount of memory.

The present invention discloses a method for preserving and updating sensitive data of an Internet of Vehicles device. By establishing a mapping relationship between a physical page address and a logical page address of a target storage area, an online address fast search mode is adopted when reading and writing data to avoid memory overhead and software delay caused by initializing a physical page scan to establish a mapping table; when writing data, a rolling write and an incrementing sequence number method are adopted to support access to any logical address space that is smaller than the physical address space, and for high-frequency data updates, the physical space can be effectively utilized to increase the write life; an atomicity identifier is added to the physical page information to support the consistency of writing to multiple discontinuous address spaces generated by a single transaction write; through the detection of a physical page frame header, a frame tail, an incrementing sequence number and an atomic mark, the introduction of a backup page for multiple data exchanges is avoided, and a rapid integrity check is performed on the data during the power-on process to implement abnormal power-off protection for data.

The invention discloses a page generation method, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining page frame data sent by a prototype graph design platform, the page frame data being generated by the prototype graph design platform based on an initial page frame, the initial page frame is generated by the prototype graph design platform in response to the received design operation; analyzing and processing the page frame data to obtain different types of sub-frame data; performing page data reconstruction processing on the corresponding sub-frame data according to a data conversion mode corresponding to the target structure class data in each sub-frame data to obtain corresponding target page design sub-data; and performing operation processing on each target page design sub-data to obtain a target page. Therefore, the page generation efficiency is improved.

The present application provides a physical memory data management method and system for a trusted operating system, which is applicable to a trusted operating system. The trusted operating system includes a kernel space and a user space. A section of physical memory is allocated from the kernel space to obtain a virtual address of the physical memory, and the virtual address of the physical memory is mapped to the memory page of the obtained physical memory to determine the physical address of the physical memory; a user virtual space is created in the user space, and the physical memory is mapped to the user virtual space according to the page frame number corresponding to the memory page and the physical address of the physical memory; a system call for the physical memory is generated according to the operation information of the physical memory, the physical address of the physical memory, the memory size of the physical memory and a pre-set file path; in response to the user's physical memory editing operation on the physical memory, the physical memory editing function corresponding to the physical memory editing operation is executed through the system call to complete the corresponding physical memory editing operation.

Disclosed herein is a method for improving performance of a hypervisor in a memory disaggregation environment. The method includes allocating memory pages to a virtual machine in preset units, comparing the address range of the page frame to be returned with a preset page size, and removing an address space mapping for the page frame to be returned depending on a result of comparison with the preset page size. Removing the address space mapping comprises removing the address space mapping on the basis of contiguous page frames when the range of the page frame to be returned is equal to or greater than the preset page size.

This application discloses a page table generation method, apparatus, and electronic device for processor paging verification, relating to the field of processor technology, and is invented to simplify the page table generation process and reduce the cost of verification design. The method includes: obtaining the base address of the first-level page table of the current user process; determining the page frame number in each page table entry of the last-level page table based on the base address and each virtual address in the virtual address range of the current user process; the page table having a mapping relationship between the virtual address range and the physical address verification space; and updating the page frame number in the first page table entry of the last-level page table to the second page table entry of the last-level page table to generate a new page table. This application is applicable to processor paging verification.

This invention discloses a method, apparatus, terminal, and storage medium for handling write-time memory faults, belonging to the field of memory. The method includes: when executing a memory unrepairable fault handling method, determining whether it is a memory synchronization fault; if it is a memory synchronization fault, obtaining the context register information of the interrupted process and obtaining the value of the program counter; determining the address of the interrupted instruction; based on the interrupted instruction address, reading the binary code corresponding to the interrupted instruction and parsing the opcode in the binary code; determining whether the currently interrupted process is in a write operation phase based on the opcode parsing result; if it is in a write operation phase, determining that a write-time memory fault has occurred; when using anonymous mapping, allocating a new physical page frame and replacing the original faulty physical page frame with the new physical page frame; identifying all page table entries involved in the original faulty physical page frame; and replacing the original information in all page table entries with the new physical page frame information.

Provided in the present application are a page rendering method and apparatus, and a device, a storage medium and a program product. The embodiments of the present application can be applied to page rendering scenarios of applets of application software, operating systems, etc. The method comprises: in response to a starting operation for an applet, starting a browser process of a browser by means of a client process of an application program client, and executing a service logic code of the applet by means of the browser process, wherein the applet runs in the application program client; in response to the browser process executing a calling code in the service logic code in respect of a first rendering function, sending a calling processing request to the client process by means of the browser process, wherein the first rendering function is a graphic rendering function that is called by the browser process, and the first rendering function is used for rendering a page frame of the applet; in response to the calling processing request, determining, by means of the client process, a second rendering function corresponding to the first rendering function, and calling the second rendering function, wherein the second rendering function and the first rendering function have the same graphic rendering function; and performing graphic rendering on the page frame of the applet by means of the second rendering function, so as to obtain a rendering result of the page frame of the applet.

Embodiments of the present application provide a memory management method and device, and relate to the technical field of computers. The method comprises: receiving a continuous memory allocation request sent by a first CPU core, the continuous memory allocation request comprising a first number of pages; querying a bitmap of a continuous memory allocation area to obtain a first number of page frame numbers, the first number of page frame numbers corresponding to free memory pages with consecutive physical addresses, and the value of each bit in the bitmap indicating whether the corresponding memory page in the continuous memory allocation area is free or used; from a clean cache pool, reclaiming the memory pages corresponding to the first number of page frame numbers; allocating the reclaimed memory pages to the first CPU core and setting the value of the bit corresponding to the reclaimed memory pages in the bitmap to a value indicating that the memory pages are used. The scheme can reduce memory allocation delay, improve the control accuracy of memory allocation operations, and enhance memory security.

A method of managing access to a physical memory formed of n memory page frames using a set of virtual address spaces having n virtual address spaces each formed of a plurality p of contiguous memory pages. The method includes receiving a write request to write a block of data to a virtual address within a virtual address space i of the n virtual address spaces, the virtual address defined by the virtual address space i, a memory page j within that virtual address space i and an offset from the start of that memory page j; translating the virtual address to an address of the physical memory using a virtual memory table having n by p entries specifying mappings between memory pages of the virtual address spaces and memory page frames of the physical memory, wherein the physical memory address is defined by: (i) the memory page frame mapped to the memory page j as specified by the virtual memory table, and (ii) the offset of the virtual address; and writing the block of data to the physical memory address.

The embodiment of the present application discloses a page loading method, device, computer equipment and storage medium. The method includes: when receiving a loading instruction for a target page in a target application, sending a page configuration information request instruction to the unified jump system, so that the unified jump system responds to the page configuration information request instruction and determines the target page configuration information corresponding to the target page identifier from a preset configuration file; loading the target page according to the target page configuration information; if the loading is successful, jumping to the target page; if the loading fails, sending a loading failure message carrying the target page identifier to the unified jump system, so that the unified jump system downgrades the target page configuration information in the configuration file according to the target page identifier and the preset configuration information downgrade rule. When there is a front-end page loading exception problem caused by the page frame upgrade, the loading efficiency of the front-end page can be improved by implementing the method of the embodiment of the present application.

The present application discloses a page generation method, an electronic device, and a computer-readable storage medium. The method includes: obtaining page frame data sent by a prototype design platform, where the page frame data is generated by the prototype design platform based on an initial page frame, and the initial page frame is generated by the prototype design platform in response to a received design operation; performing parsing processing on the page frame data to obtain sub-frame data of different categories; performing page data reconstruction processing on the corresponding sub-frame data according to the data conversion method corresponding to the target structure class data in each sub-frame data to obtain corresponding target page design sub-data; and performing running processing on each target page design sub-data to obtain a target page. Thereby, the efficiency of page generation is improved.

The invention discloses a request processing method and device, electronic equipment and a storage medium, and relates to the technical field of computers, in particular to the technical field of front-end performance optimization. According to the specific implementation scheme, in response to an inline processing request from a server, a page frame document for a target page in the inline processing request is obtained, and the inline processing request is generated by the server according to a page loading request from a client; key script tags are determined from script tags of the page frame document, and the key script tags are used for rendering a first screen area of the target page; key script resources obtained on the basis of the key script tags are inline to the page framework document to obtain an inline document, and the inline document is sent to the server so that the server can send the inline document to the client side.

The application discloses a controlled channel vulnerability automatic detection method based on control flow page access analysis, which comprises the following steps: building a conditional control flow memory page access real-time attack environment; using a memory management unit to allocate a limited number of physical memory page frames to a target application program; when the target application program starts to execute, recording the physical memory page numbers corresponding to triggered system interrupts or page fault exceptions, and generating a page fault exception sequence; analyzing the page fault exception sequence, searching for repeatedly occurring longest subsequences, and recording each longest subsequence and its repetition number; calculating the distance vector, average value and variance between two adjacent longest subsequences; and using machine learning to analyze the correlation between the page fault exception feature information and the target application program, so as to detect the controlled channel vulnerability of a sensitive target application program. The application has good detection target universality, and can automatically collect and analyze sensitive information leakage, output detection results, and is easy to deploy.

Providing a service to obtain attributes of memory frames includes receiving a query indicating a range of memory locations from a program. The method also includes identifying, in response to the query, page frame table data for one or more real memory frames corresponding to the range of memory locations. The method also includes generating, based on the page frame table data, defined output data describing attributes of the one or more real memory frames.

The application relates to the technical field of distributed computing and memory management, and discloses a memory dynamic resource allocation and scheduling method for big data system integration, which comprises the following steps: analyzing a distributed computing job to establish a mapping of a data block logical address to a local page table entry; generating an event notification when a downstream operator completes reading of the data block; writing data in a local physical page frame into a registered memory area of a remote computing node through RDMA, and constructing a remote memory index table in a kernel state; writing a remote redirection mark and an integer index, and releasing the corresponding local physical page frame; when a target page table entry triggers a page fault exception and contains the redirection mark, the system acquires a remote data address according to the integer index by querying the index table, pulls the remote data to update the page table entry, and restores process execution. The application effectively releases local memory resources, realizes on-demand recovery of remote data through a page fault exception mechanism of an operating system, and reduces system recalculation overhead.

The invention relates to a method and apparatus for improving hypervisor performance in a memory split environment. Disclosed herein is a method for improving hypervisor performance in a memory split environment. The method comprises the following steps: allocating memory pages to a virtual machine according to a preset unit; comparing the address range of the page frame to be returned with a preset page size; and de-mapping the address space for the page frame to be returned according to the comparison result with the preset page size. The step of removing the address space mapping comprises the step of removing the address space mapping on the basis of continuous page frames when the range of the page frames to be returned is equal to or larger than the preset page size.

The embodiment of the invention discloses a method, device and equipment for generating interface codes based on a large model. In the embodiment of the invention, the method comprises the following steps: inputting obtained user demand information into a large model for semantic analysis, and outputting design system information, theme information, page frame information and component information; associating a target system warehouse according to the design system information, and obtaining a design system framework description document of the target system warehouse; according to the design system framework description document, the theme information, the page framework information and the component information, sequentially obtaining a plurality of target learning documents in a target system warehouse; generating a target theme, a target page frame and a plurality of target components according to the plurality of target learning documents; and generating an interface code according to the target theme, the target page frame and the plurality of target components. By means of the method, the interface codes meeting various user requirements can be rapidly and accurately generated.