CN109324842A - Asset creation method, storage medium, device and method needed for program starts - Google Patents
Asset creation method, storage medium, device and method needed for program starts Download PDFInfo
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- CN109324842A CN109324842A CN201710640036.XA CN201710640036A CN109324842A CN 109324842 A CN109324842 A CN 109324842A CN 201710640036 A CN201710640036 A CN 201710640036A CN 109324842 A CN109324842 A CN 109324842A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44557—Code layout in executable memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Devices For Executing Special Programs (AREA)
Abstract
The present invention relates to computer software fields, asset creation method, storage medium, device and method needed for a kind of program starts are disclosed, this method includes S1: the calling constructed fuction interface of initialization distribution object memory headroom interface and memory address；S2: apply for a memory headroom in the global static storage area of memory；S3: byte-aligned setting is carried out to the memory headroom of application and forms Coutinuous store space；S4: when program starts, according to the operating status that need to currently use object, judgement need to currently use whether object has been created, if it is not, S5 is then gone to, if so, obtaining the pointer of the object；S5: judgement need to currently use whether object is creating, if so, waiting the Object Creation to complete, if it is not, object need to currently be used by then creating in the memory headroom of application.To the repetition application of memory and the generation of memory fragmentation when the present invention can effectively reduce Object Creation, promotes program and start speed.
Description
Technical field
The present invention relates to computer software fields, and in particular to asset creation method, storage needed for a kind of program starts are situated between
Matter, device and method.
Background technique
Program in the operating systems such as Windows, iOS, Android is during starting, it will usually which it is a variety of right to create
As resource is to carry out initial work when program starting, but the object created at this time is in heap memory, easily formation heap
Memory fragmentation, and then the starting speed of program and the access speed to the corresponding interface are influenced, meanwhile, some does not need to be stood
Carving the object used can also be created, so that the use of object resource be caused to waste, influence the runnability of program, further
Reduce the starting speed of program.
Summary of the invention
In view of the deficiencies in the prior art, asset creation needed for starting the purpose of the present invention is to provide a kind of program
Method promotes program and starts speed, this hair to the repetition application of memory and the generation of memory fragmentation when effectively reducing Object Creation
It is bright that a kind of required asset creation system of sequence starting is also provided, memory headroom can be reduced and repeat to apply, effectively promotion program starts
Speed.
To achieve the above objectives, the technical solution adopted by the present invention is that, comprising:
S1: the calling constructed fuction interface of initialization distribution object memory headroom interface and memory address；
S2: by distribution object memory headroom interface, apply for a memory headroom in the global static storage area of memory；
S3: byte-aligned setting is carried out using memory headroom of the compiler to application and forms Coutinuous store space；
S4: program start when, according to currently need to use object operating status, judgement currently need to use object whether by
Creation, if it is not, S5 is then gone to, if so, obtaining the pointer of the object；
S5: judgement need to currently use whether object is creating, if so, the Object Creation is waited to complete, and obtain
The pointer of the object, if it is not, then calling the calling constructed fuction of memory address to create in the memory headroom of application need to currently make
With object, and obtain the pointer of the object of creation.
Based on the above technical solution, in S3, the memory headroom of application is configured according to 32 byte-aligned forms.
Based on the above technical solution, the object for being created and having created is respectively positioned on global static
The memory headroom of memory block application.
Based on the above technical solution,
The operating status of the object is judged according to the access interface status information of object；
The access interface status information is identified by denotation of variable；
The denotation of variable includes not creating, creating neutralization creation completion.
Based on the above technical solution, it in S5, when need to currently object be used to create, be then allowed by thread
It walks function yieldCurrentThread and waits the creation completion that need to currently use object.
The present invention also provides a kind of storage medium, computer program, the computer program are stored on the storage medium
Above-mentioned method is realized when being executed by processor.
Asset creation equipment needed for starting the present invention also provides a kind of program, including memory and processor, on memory
The computer program run on a processor is stored, the processor realizes above-mentioned side when executing the computer program
Method.
Asset creation system needed for starting the present invention also provides a kind of program characterized by comprising
Initialization module, the calling constructed fuction for being used to initialize distribution object memory headroom interface and memory address connect
Mouthful；
Module is obtained, is used to apply in the global static storage area of memory by distribution object memory headroom interface
One memory headroom, meanwhile, byte-aligned setting is carried out using memory headroom of the compiler to application and forms Coutinuous store space；
Judgment module is used for when the program is started, and judgement need to currently use the operating status of object；
Execution module is used for the judging result based on judgment module, if need to currently object be used to be created, obtains
The pointer of the object waits the Object Creation to complete, and obtain the finger of the object if need to currently object be used to create
Needle calls the calling constructed fuction of memory address to create in the memory headroom of application if need to currently object be used not create
Object need to be currently used, and obtains the pointer of the object of creation.
Based on the above technical solution, the acquisition module is also used to the memory of application according to 32 byte-aligned shapes
Formula is configured.
Based on the above technical solution, when need to currently object be used to create, be then given way letter by thread
Number yieldCurrentThread, which is waited, currently need to use the creation of object to complete.
Compared with the prior art, the advantages of the present invention are as follows: during the compiling of program, i.e., deposited in the global static state of memory
Storage area is one memory headroom of creation application of object in advance, and the creation of subsequent object is completed in the memory headroom of application,
It avoids program starting from creating the duplicate application for carrying out memory when object, reduces the starting time of program indirectly, meanwhile, work as object
When needing, judgement need to currently use whether object has been created, if having created, then be used directly, if not creating, wait wound
Completion or directly creation are built, to reach the reuse effect of object resource, the time loss for repeating to create object is avoided, reaches
To the purpose promoted to program starting speed.
Detailed description of the invention
Fig. 1 is the flow chart of asset creation method needed for a kind of program of the present invention starts；
Fig. 2 is the structural schematic diagram of asset creation equipment needed for a kind of program of the present invention starts.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Shown in Figure 1, the embodiment of the present invention provides a kind of asset creation method needed for program starts, for pair
The creation of required object, the program of the embodiment of the present invention open when program starts in the operating systems such as Windows, iOS, Android
Asset creation method needed for dynamic is suitable for the creation of all objects when program starts, such as the creation of foo object, foo are objects
A common mathematical function name in resource.Asset creation method needed for program of the invention starts specifically includes:
S1: the calling constructed fuction interface of initialization distribution object memory headroom interface and memory address.By this step,
Object can be prevented to execute static initialization operation automatically, to facilitate subsequent better control that need to currently use making by oneself for object
Adopted creation process.
S2: by distribution object memory headroom interface, apply for a memory headroom in the global static storage area of memory.Institute
The actual creation amount of the memory headroom size of application required object when being run according to program carries out flexible choice.By global quiet
As soon as pre- first to file piece memory headroom in state memory block, because the memory of static storage area has been distributed during program compiling
At, pre- one memory of first to file in global static storage area in advance before program starting, makes calling program in starting at this time
It does not just need to apply for memory again again in the process, to efficiently reduce the application number of object memory in program start-up course
Amount.
S3: byte-aligned setting is carried out using memory headroom of the compiler to application and forms Coutinuous store space.It is preferred that
The memory headroom of application is configured by ground according to 32 byte-aligned forms, while the memory headroom after setting being made to meet POD spy
Property, that is, the memory headroom after being arranged is one section of continuous memory space.Accordingly it is arranged by the memory headroom to application, it can
To effectively reduce the memory fragmentation of heap, guarantee the safe and effective of subsequent object static initialization, the object for effectively promoting creation is real
The performance of example.In memory, usually arrange that 32 byte-aligned forms are according to the alignment form of 8 one lattice of byte
The arrangement mode of 32 one lattice of byte particularly utilizes built-in command _ _ declspec (align (Foo)) of compiler, _ _
Alignof (Foo) is configured the memory of application according to 32 byte-aligned forms.
By the above process, i.e., to Object Creation when required memory headroom be optimized, to effectively subtract
Apply for the time consumed by a large amount of memories when few program starting, the starting speed of program is effectively promoted.
S4: program start when, according to currently need to use object operating status, judgement currently need to use object whether by
Creation, if it is not, then going to S5, if so, obtaining the pointer of the object, the creation speed and performance of object are optimal feelings at this time
Condition.When program starts, i.e., the operating status of object needed for program starting is judged, judge current desired object whether
It is created, avoids repetition from creating object and further increase the starting speed of program to save object creation time.
S5: judgement need to currently use whether object is creating, if so, the Object Creation is waited to complete, and obtain
The pointer of the object, the creation speed and performance of object are taken second place at this time, if it is not, the calling constructed fuction of memory address is then called to exist
Object need to currently be used by creating in the memory headroom of application, and obtain the pointer of the object of creation.
Program object required when starting is multiple, it is therefore desirable to carry out successively single judgement to required object, go forward side by side
Row, which is waited accordingly, creates or used etc., to be operated.
When need to currently object be used not to be created also, pass through atomic operation _ InterlockedCompareExchange
Quickly to judge currently use whether object is creating, if need to currently object be used to create, pass through
Thread concession function yieldCurrentThread, which is waited, currently need to use the creation of object to complete.
The pointer of object passes through instance function and is obtained.
Be created and the object that is creating be respectively positioned on memory headroom in global static storage area application, i.e., by
Creation is creating in the space memory for neutralizing and applying before the object that creation is completed is respectively positioned on, and meets the quick creation of object
Demand.
The operating status of object judges according to the access interface status information of object, i.e., according to the access interface state of object
Information judges the operating status of object, specifically judges currently use object by _ InterlockedExchange function
Operating status；Access interface status information is identified by denotation of variable；Denotation of variable has been created including not creating, creating neutralization
At.
When below in conjunction with program starting, the coding process of the creation of foo object is exemplified below:
The principle of asset creation method needed for program of the invention starts is, during the compiling of program, by point
It defines and is arranged with object memory headroom interface initialization, be in advance the creation application one of object in the global static storage area of memory
Memory headroom, and applied memory headroom is accordingly arranged, the creation of subsequent object is in the memory headroom of application
It completes, avoids program starting from creating the duplicate application for carrying out memory when object, while decreasing the generation of heap memory fragment,
Meanwhile when object needs, judgement need to currently use whether object has been created, if having created, then be used directly, if not creating
It builds, then etc. completion to be created or directly creates, to reach the reuse effect of object resource, avoid repeating creation object
Time loss achievees the purpose that starting speed to program is promoted, meanwhile, the object that the creation and creation of object are completed is respectively positioned on Shen
In memory headroom please, i.e. the corresponding instantiation operation of delay object, then to object on the memory headroom of pre- first to file
Creation carries out instantiation operation.Meanwhile under the premise of guaranteeing the access safety of the thread for creating object, it is using operation
The atomic operation of system waits the thread for creating object, guarantees the responsiveness of thread to greatest extent, improves program
Runnability.
Asset creation method needed for corresponding above procedure starts, the embodiment of the present invention also provide a kind of storage medium, thereon
It is stored with computer program, can be realized when which is executed by processor needed for the program starting in the various embodiments described above
The step of asset creation method.It should be noted that the storage medium includes USB flash disk, mobile hard disk, ROM (Read-Only
Memory, read-only memory), RAM (Random Access Memory, random access memory), magnetic or disk etc. it is each
Kind can store the medium of program code.
In addition, shown in Figure 2, asset creation method needed for corresponding program starts, the embodiment of the present invention also provides one kind
Asset creation equipment needed for program starts, including memory, processor and storage can be run on a memory and on a processor
Computer program, which can realize resource wound needed for program in the various embodiments described above starts when executing computer program
The step of construction method.
Resource wound needed for starting the present invention also provides a kind of program for starting required asset creation method based on above procedure
Build system, comprising: initialization module obtains module, judgment module and execution module.
Initialization module is used to initialize the calling constructed fuction interface of distribution object memory headroom interface and memory address；
Module is obtained to be used to apply for a memory headroom in the global static storage area of memory by distribution object memory headroom interface,
Meanwhile byte-aligned setting is carried out using memory of the compiler to application and forms Coutinuous store space；Judgment module is for working as
When program starts, judgement need to currently use the operating status of object；Execution module is used for the judging result based on judgment module, if
Need to currently object be used to be created, then obtain the pointer of the object, if need to currently object be used to create, waiting should
Object Creation is completed, and obtains the pointer of the object, if need to currently object be used not create, calls the calling structure of memory address
Object need to currently be used by making function and creating in the memory headroom of application, and obtain the pointer of the object of creation.
Wherein, module is obtained to be also used to be configured the memory of application according to 32 byte-aligned forms.Meanwhile executing mould
Block is also used to then wait by thread concession function yieldCurrentThread when need to currently object be used to create
Currently the creation of object need to be used to complete.
The principle of asset creation system needed for program of the invention starts is: module is obtained during the compiling of program,
It is arranged by being defined to distribution object memory headroom interface initialization, is in advance the wound of object in the global static storage area of memory
One memory headroom of application is built, and applied memory headroom is accordingly arranged, the creation of subsequent object is in application
It deposits in space and completes, avoid program starting from creating the duplicate application for carrying out memory when object, while it is broken to decrease heap memory
The generation of piece, meanwhile, when object needs in use, judgment module judgement need to currently use whether object has been created, if
Creation, then be used directly, if not creating, etc. completion to be created or directly creation, to reach the reuse of object resource
Effect avoids the time loss for repeating to create object, achievees the purpose that starting speed to program is promoted.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of asset creation method needed for program starts characterized by comprising
S1: the calling constructed fuction interface of initialization distribution object memory headroom interface and memory address；
S2: by distribution object memory headroom interface, apply for a memory headroom in the global static storage area of memory；
S3: byte-aligned setting is carried out using memory headroom of the compiler to application and forms Coutinuous store space；
S4: when program starts, according to the operating status that need to currently use object, judgement need to currently use whether object is created
It builds, if it is not, S5 is then gone to, if so, obtaining the pointer of the object；
S5: judgement need to currently use whether object is creating, if so, waiting the Object Creation to complete, and it is right to obtain this
The pointer of elephant, if it is not, then call the calling constructed fuction of memory address created in the memory headroom of application currently need to use pair
As, and obtain the pointer of the object of creation.
Asset creation method needed for 2. a kind of program as described in claim 1 starts, it is characterised in that: in S3, application it is interior
Space is deposited to be configured according to 32 byte-aligned forms.
Asset creation method needed for 3. a kind of program as described in claim 1 starts, it is characterised in that: it is described be created and
The object created is respectively positioned on the memory headroom in global static storage area application.
Asset creation method needed for 4. a kind of program as described in claim 1 starts, it is characterised in that:
The operating status of the object is judged according to the access interface status information of object；
The access interface status information is identified by denotation of variable；
The denotation of variable includes not creating, creating neutralization creation completion.
Asset creation method needed for 5. a kind of program as described in claim 1 starts, it is characterised in that: in S5, needed currently
When being created using object, then object need to currently be used by being waited by thread concession function yieldCurrentThread
Creation is completed.
6. a kind of storage medium, computer program is stored on the storage medium, it is characterised in that: the computer program is located
Reason device realizes method described in any one of claim 1 to 5 when executing.
7. a kind of program starts required asset creation equipment, including memory and processor, store on memory in processor
The computer program of upper operation, it is characterised in that: the processor realizes claim 1 to 5 when executing the computer program
Described in any item methods.
Asset creation system needed for 8. a kind of program starts characterized by comprising
Initialization module is used to initialize the calling constructed fuction interface of distribution object memory headroom interface and memory address；
Module is obtained, is used for through distribution object memory headroom interface, is applied in one in the global static storage area of memory
Space is deposited, meanwhile, byte-aligned setting is carried out using memory headroom of the compiler to application and forms Coutinuous store space；
Judgment module is used for when the program is started, and judgement need to currently use the operating status of object；
Execution module is used for the judging result based on judgment module, if need to currently object be used to be created, it is right to obtain this
The pointer of elephant waits the Object Creation to complete, and obtain the pointer of the object if need to currently object be used to create,
If need to currently object be used not create, the calling constructed fuction of memory address be called to create in the memory headroom of application currently
Object need to be used, and obtains the pointer of the object of creation.
Asset creation system needed for 9. a kind of program as claimed in claim 8 starts, it is characterised in that: the acquisition module is also
It is configured for the memory to application according to 32 byte-aligned forms.
Asset creation system needed for 10. a kind of program as claimed in claim 8 starts, it is characterised in that: currently need using
When object is creating, then the creation that need to currently use object is waited by thread concession function yieldCurrentThread
It completes.
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| CN201710640036.XA CN109324842A (en) | 2017-07-31 | 2017-07-31 | Asset creation method, storage medium, device and method needed for program starts |
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| CN201710640036.XA CN109324842A (en) | 2017-07-31 | 2017-07-31 | Asset creation method, storage medium, device and method needed for program starts |
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