33 results about "Page frame" patented technology

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 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.

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.

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.

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.

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 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.

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 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.

The invention discloses a data loading method, device and equipment, and relates to the technical field of memory management.The method comprises the steps that by means of a memory management unit, when a target physical page frame number is not found in a conversion bypass buffer area, page table traversal is carried out, and a target physical page frame number is obtained; obtaining a target physical page frame number corresponding to virtual network index information in a virtual address of the loading instruction; according to the target physical page frame number and the offset, generating a physical address corresponding to the loading instruction, and obtaining target data corresponding to the physical address from a physical memory; sending the target data to a loading storage unit assembly line to complete data loading of the loading instruction; by utilizing the memory management unit, the same memory access channel can be reused to complete page table traversal and target data prefetching under the condition that the target physical page frame number is not found in the conversion bypass buffer area, so that the delay of searching data from a physical memory is reduced, the pause delay of a processor pipeline is reduced, and the performance is improved.

The present disclosure provides a page framework setting method and device, electronic equipment, computer readable storage medium and computer program product, relating to technical fields of low-code development, page setting, cloud service and the like. The method comprises: receiving a page framework configuration file imported through a preset configuration transmission interface; wherein the page framework configuration file is exported from an application that has been developed; extracting actual configuration parameters of the page framework from the page framework configuration file according to a preset identification standard of the page framework parameters; creating a custom page framework on a low-code development platform according to the actual configuration parameters; and applying the custom page framework on a corresponding to-be-developed page according to the page setting requirements of the to-be-developed application. The method enriches the page framework styles of the applications developed through the low-code development platform, and can conveniently realize the integration and application of the page framework, thereby improving the differentiation between the developed applications.

The invention discloses a paging monitoring method and device, a paging processing method and device and related equipment, and belongs to the technical field of communication, and the method comprises the steps that a terminal obtains first configuration information; wherein the first configuration information comprises binding information of a first paging frame (PF), the first PF is a PF used for paging a first type of terminal, and the first type of terminal supports aggregation paging; the terminal determines a first target paging opportunity (PO) according to the first configuration information; and the terminal performs paging monitoring on the first target PO.

The invention discloses an input and output management method and system for a reserved memory, equipment and a medium, and the method comprises the steps: specifying a physical address range of a reserved memory region; mapping the physical address range to a linear mapping space by using a page table, and establishing a virtual address range accessible to a kernel mode; registering the physical address range into a sparse memory model, and establishing a mapping relationship between the page structure body and the page frame number; configuring the page structure body into the reserved memory area management area, and managing the page structure body based on the mapping relation; and executing input and output operation of the reserved memory area based on the mapping relation. According to the method, seamless integration of the reserved memory area in the kernel memory management framework is realized, the convenience and stability of kernel mode access are improved, the efficiency of user mode data transmission is optimized, the memory copying and processing overhead introduced by a traditional cache mechanism is reduced, and the user experience is improved. And the performance of directly accessing the memory of the hardware equipment in the embedded system and the resource utilization rate are improved.

The invention relates to the technical field of UI design, can be applied to business system platforms of financial science and technology, medical health and the like, and discloses a page generation method and device based on combination of zero codes and source codes, equipment and a medium. Splitting the to-be-integrated page frame into a zero code component unit and a source code development unit; performing visual configuration on the zero code component unit, and extracting corresponding component configuration data; determining a component rendering logic according to the component configuration data, and generating a component online link according to the component configuration data and the component rendering logic; loading a component resource file corresponding to the component online link in a source code project of the source code development unit, and determining a zero-code component instance according to the component resource file; and mounting the zero code component instance and a function module of the source code development unit into the to-be-integrated page frame to obtain a target business page. According to the invention, the accuracy of the target business page generation result in application development can be improved.

This disclosure provides a memory management method, including: dividing a physical memory into N first physical pages based on a first granularity, and creating N pieces of first page frame metadata corresponding to the N first physical pages, where the first granularity is greater than a minimum granularity supported by a computer device; determining, based on a request of a first process, a size of a physical memory required by the first process; and choosing, based on the size of the physical memory required by the first process, to allocate O first physical pages to the first process at the first granularity, or choosing to allocate Q second physical pages to the first process at a second granularity, or choosing to allocate W first physical pages to the first process at the first granularity and allocate T second physical pages to the first process at the second granularity.

The invention discloses a Java-based big data stream-oriented computing framework and an optimization method thereof. The optimization method comprises the following steps: pre-distributing a GC visible out-of-heap region outside a JVM (Java Virtual Machine), and registering the GC visible out-of-heap region to a G1 / Shendoah region table; automatically generating a data difference log and a difference abstract in TCP transceiving soft interrupt by utilizing eBPF, and locking an old page by combining hardware copy-on-write; calculating a bandwidth time delay product in real time according to a TCP congestion window, and directly driving operator parallelism degree expansion and contraction; in the recovery stage, the physical page frame number is remapped through user faultfd, and cross-Pod thermal migration is completed within 200 ms. A unified SQL interface is exposed to the outside by the framework, direct memory byte codes are automatically generated, a user can enjoy zero copy through zero perception, GC is free of pause, a back pressure instant feedback effect is achieved, throughput is improved by 30-50% under the same hardware, end-to-end delay is reduced by 20-40%, and global pause time is reduced to lt; and 5 seconds per hour.

The invention discloses a threat scene construction method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: responding to an access request for a target threat scene, and querying target scene attribute information and target component configuration information corresponding to the target threat scene in a database; wherein the database is used for storing scene attribute information and component configuration information of a threat scene; according to the target scene attribute information, calling a corresponding target scene template to render a page frame of the target threat scene; according to a component type defined in the target component configuration information, calling a corresponding target component template to render the target scene component; retrieving target data from the data source according to a data filtering condition defined in the target component configuration information; and displaying the target data at a corresponding position of the rendered target scene component. The construction efficiency of the threat scene is improved, and then the threat response efficiency is improved.

The utility model discloses a foldable music score showing stand which comprises a three-legged support, the top of the three-legged support is rotatably connected with an adjusting rod, and the adjusting rod is provided with a page frame formed by sequentially hinging a plurality of page battens; the two sides of the long edges of every two adjacent page battens are each provided with a hinge for connection, the adjusting rods are provided with strip grooves in the length direction, and the two sides and the tops of the strip grooves are through. A rotating shaft penetrating through the strip groove is arranged in the middle of the adjusting rod and penetrates through the page strip plate located at the center point of the page frame. According to the utility model, the plurality of page battens are sequentially hinged through the hinges, and the design of the strip grooves and the rotating shafts on the adjusting rods is matched, so that the flat supporting and the multi-directional rolling and folding storage of the page frame are realized, and all the page battens are embedded into the strip grooves to form a continuous supporting surface when the page frame is flat, thereby avoiding the problem that the middle part of a traditional connecting rod structure is hollow, and preventing the music score from collapsing and deforming; during storage, the page frame can be folded after rotating by 90 degrees around the rotating shaft, so that the size is greatly reduced, and more than 70% of space is saved compared with the traditional folding of the whole plate surface.

In a method, based on a start operation for a mini program of an application, a browser process of a browser is started through a client process of the application. Service logic code of the mini program is executed in the browser process. Based on execution of a calling code in the service logic code that invokes a first rendering function, calling information of the first rendering function is written into a command buffer through the browser process, a calling processing request for the calling information is generated, and the calling processing request is transmitted to the client process through the browser process. A second rendering function having a same graphics rendering functionality is determined as the first rendering function, and the second rendering function is called based on the calling information. Graphics rendering of the page frame of the mini program is performed through the second rendering function.

This application provides a page rendering method, apparatus, device, storage medium, and program product. Embodiments of this application are applicable to page rendering scenes of miniprograms of application software and operating systems, and the method includes the steps of: in response to a startup operation for a miniprogram, the client process of an application client starts a browser process of a browser, and the browser process executes the business logic code of the miniprogram, wherein the miniprogram is executed on the application client; in response to the browser process having executed up to a call code for a first rendering function in the business logic code, the browser process sends a call processing request to the client process, wherein the first rendering function is a graphic rendering function called by the browser process, and the first rendering function is used to render the page frame of the miniprogram; in response to the call processing request, the client process determines a second rendering function corresponding to the first rendering function and calls the second rendering function, wherein the graphic rendering functions of the second rendering function and the first rendering function are the same; and the second rendering function performs graphic rendering on the page frame of the miniprogram to obtain the rendering result of the page frame of the miniprogram.

The embodiment of the application discloses a memory error processing method, device, terminal and storage medium, and belongs to the memory field, and comprises the following steps: when a memory fault occurs, it is judged whether a read-write action occurs in a CPU execution context; when the CPU execution context is executed, an interrupt context is acquired, and it is judged whether the memory fault is in a write stage by using the interrupt context; when the write stage is executed, a page table entry is acquired, and it is judged whether it is a file mapping according to the page table entry; when the file mapping is executed, a physical page frame corresponding to the memory fault is determined, all page table entries related to the physical page frame are determined through reverse mapping, a physical page frame entry in the page table entry is atomically deleted, and a physical memory page corresponding to the virtual address is deleted from a file page cache; a free physical memory page is allocated, added to the file page cache, and initialized for a read operation; and the virtual memory and the free physical memory page of the file page cache are associated through the page table entry.

The embodiment of the invention discloses a memory error processing method and device, a terminal and a storage medium, and belongs to the field of memorys.The memory error processing method comprises the steps that when a memory breaks down, whether a read-write action occurs when a CPU executes a context or not is judged, when the context is executed for the CPU, an interrupt context is obtained, and whether the memory breaks down or not is in a writing stage or not is judged through the interrupt context; in the writing stage, obtaining a page table item, and judging whether file mapping is performed or not according to the page table item; when file mapping is carried out, determining a physical page frame corresponding to a memory fault, determining all page table entries related to the physical page frame through reverse mapping, carrying out atomic deletion on the physical page frame entries in the page table entries, and deleting a physical memory page corresponding to the virtual address from a file page cache; distributing an idle physical memory page, adding a file page cache, and initializing a read operation; and associating the virtual memory with an idle physical memory page of the file page cache through a page table item.

According to the embodiment of the invention, a random access method and equipment are provided. In one example aspect, a method performed by a user equipment (UE) in a communication system includes receiving second configuration information, the second configuration information comprises information of a first random access resource, information of a paging cycle, first information for indicating a part of the paging cycle, information of a paging frame, and third indication information of a part of the paging frame in the paging frame; receiving DCI (Downlink Control Information), wherein the DCI comprises information related to the activation of the first random access resource; and executing random access based on resources in a random access resource set, the random access resource set comprising a second random access resource and an activated first random access resource, and the monitoring opportunity of the DCI being determined based on the partial paging frame in the partial paging period.