CN105740078A - Memory management method and apparatus, and terminal - Google Patents
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- CN105740078A CN105740078A CN201610066545.1A CN201610066545A CN105740078A CN 105740078 A CN105740078 A CN 105740078A CN 201610066545 A CN201610066545 A CN 201610066545A CN 105740078 A CN105740078 A CN 105740078A
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Abstract
The present invention relates to the technical field of data management, and discloses a memory management method and apparatus, and a terminal, so as to solve the problem that a system running blockage affects user experience. The method is as follows: a terminal divides user tasks into different types, allocates an initial memory amount and a memory increment according to levels of the task types, and tends to provide infinite memory resources to the tasks that a user pays more attention to or the user requires a higher service quality for, so as to prevent the system blockage, which is caused by waste recycle, from affecting user experience during a task running process.
Description
Technical field
The application relates to technical field of data administration, particularly to a kind of EMS memory management process, device and terminal.
Background technology
In computer science, automatic memory management is not changing on the basis of Memory Allocation, is undertaken automatically identifying and the garbage reclamation technique of release by being accessed for object in program being run, has reached the function of automatic internal memory release.Discharge from the angle of automatic internal memory, garbage reclamation be garbage object unwanted in internal memory is found out and discharges be automatically obtained process, so, the memory headroom that garbage object takies just can be distributed to new object and use.In practical application, when the internal memory used reaches the initial memory amount of distribution, garbage reclamation can be triggered in program operation process.
Automatic memory management the skill upgrading abstractness of code, interface and reliability, greatly alleviate the burden of programmer, improve production efficiency.But meanwhile, automatic memory management technology also brings some problems.Such as, utilize automatic memory management technology, when program operation process is the initial memory amount that amount of ram to be used is reached for program distribution such as need, just can trigger garbage reclamation, in garbage collection procedure, it is necessary to carry out approachability analysis to program uses object, and in approachability analysis, need the operation by whole program to stop in moment, if dwell time is long, may result in the card of system and pause.
Saturated along with the rise of mobile terminal and service end duration, ultimate attainment Consumer's Experience becomes primary goal, it is clear that in automatic memory management technology due to program halt runs that the system card caused pauses may the experience of extreme influence user.
Summary of the invention
The embodiment of the present application provides a kind of EMS memory management process, device and terminal, is paused the problem that may affect Consumer's Experience by the system card that garbage reclamation technique realizes bringing in the process of automatic internal memory release in order to solving.
The concrete technical scheme that the embodiment of the present application provides is as follows:
First aspect, it is provided that a kind of EMS memory management process, including:
Terminal task category belonging to user task, classification distribution initial memory amount and memory increase.Such as, concern or user's task that quality of service requirement is higher is compared if user task is user, then terminal distributes more initial memory amount and memory increase for it, namely limited amount of ram is tilted by terminal to the user task that priority is higher, ensure that user compares concern or user to smooth and easy in running of the higher task of quality of service requirement, decrease the probability of garbage reclamation, also just reduce and bring the risk of impact to Consumer's Experience because garbage reclamation causes system card to pause.
In conjunction with first aspect, in the first mode in the cards of first aspect, user task is identified by terminal；If identifying described user task is first kind task, then distribute the first initial memory amount for described user task, and when the use amount of ram of described user task reaches described first initial memory amount, distribute the first memory increase for described user task；If identifying described user task is Equations of The Second Kind task, then distribute the second initial memory amount for described user task, and when the use amount of ram of described user task reaches described second initial memory amount, distribute the second memory increase for described user task；Wherein, described first kind task is be currently running and task that user is operating, and described Equations of The Second Kind task is be currently running and task that user does not operate；Described first initial memory amount is higher than described second initial memory amount；Described first memory increase is higher than described second memory increase.
The first possible implementation in conjunction with first aspect, in the implementation that the second of first aspect is possible, if identifying described user task is first kind task, then: if described terminal is before the use internal memory of described user task reaches described first initial memory amount, determine that the described user entering frequency to described user task is higher than the entering frequency threshold value preset, then when the use internal memory of described user task reaches described first initial memory amount, only for described user task record garbage reclamation demand, the use internal memory of described user task is not carried out garbage reclamation.
In conjunction with the implementation that the second of first aspect is possible, in the third possible implementation of first aspect, described terminal is for, after described user task record garbage reclamation demand, also including:
Described terminal determine described user to the entering frequency of described user task not higher than described default entering frequency threshold value time, or, when determining that described user task is replaced by described Equations of The Second Kind task by described first kind task, according to the described garbage reclamation demand of record, trigger the use internal memory to described user task and carry out garbage reclamation.Pause problem such that avoid the card brought because of garbage reclamation when user to user task operating is frequent, turn avoid the problem that the internal memory caused because user task does not carry out garbage reclamation expands.
The third possible implementation in conjunction with first aspect, in the 4th kind of possible implementation of first aspect, if in garbage collection procedure, terminal determines that the described user entering frequency to described user task is higher than described default entering frequency threshold value, then terminate described user task is carried out garbage reclamation again.Ensure further and paused problem because reclaiming the system card that brings of rubbish when user to user task frequent operation.
In conjunction with the first of first aspect and first aspect to any one in the 4th kind of possible implementation, in the 5th kind of possible implementation of first aspect, described terminal is that described user task distributes described first initial memory amount, including:
Described terminal determines the memory demand of described first kind task, is that described user task distributes the first initial memory amount according to the memory demand determined.In this manner it is achieved that distribution according to need, reduce user task probability of low memory in running to a certain extent.
The first possible implementation in conjunction with first aspect, in the 6th kind of possible implementation of first aspect, described terminal is after described user task distributes described second initial memory amount, when the use amount of ram of described user task reaches described second initial memory amount, trigger the use internal memory to described user task and carry out garbage reclamation.
In conjunction with the first of first aspect and first aspect to the 6th kind of possible implementation, in the 7th kind of possible implementation of first aspect, described first kind task is the task at described terminal front stage operation, and described Equations of The Second Kind task is the task at described terminal running background.
Second aspect, it is provided that a kind of memory management device, this memory management device have realize above-mentioned first aspect and first aspect the first to the function of terminal behavior in any one method design in the 7th kind of possible implementation.Described function can be realized by hardware, it is also possible to performs corresponding software by hardware and realizes.Described hardware or software include one or more module corresponding with above-mentioned functions.
The third aspect, it is provided that a kind of terminal, this terminal have realize above-mentioned first aspect and first aspect the first to the function of terminal behavior in any one method design in the 7th kind of possible implementation.Described function can be realized by hardware, it is also possible to performs corresponding software by hardware and realizes.Described hardware or software include one or more module corresponding with above-mentioned functions.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the structure of terminal includes memorizer and processor, wherein, described memorizer is used for storing batch processing, and described processor is for calling the program of described memorizer storage to perform if the first of above-mentioned first aspect and first aspect is to the method as described in any one in the 7th kind of possible implementation.
Fourth aspect, it is provided that a kind of computer-readable storage medium, for saving as the computer software instructions used by memory management device described in above-mentioned aspect, it comprises for performing the program designed by above-mentioned aspect.
5th aspect, it is provided that a kind of computer-readable storage medium, for saving as the computer software instructions used by terminal described in above-mentioned aspect, it comprises for performing the program designed by above-mentioned aspect.
The scheme that the application provides enables to the higher task of the user's attention rate internal memory that uses in running and is not easy the initial memory amount that complete occupied terminal is its distribution, also just it is not easy to trigger garbage reclamation, it is not easy to cause the system card caused in garbage collection procedure to pause problem, reduces the impact of experience when user is used this task by garbage reclamation.
Accompanying drawing explanation
Fig. 1 is distribution schematic diagram in proceeding internal memory space in the embodiment of the present application；
Fig. 2 is the object reference schematic diagram of garbage reclamation in the embodiment of the present application；
Fig. 3 is EMS memory management process flow chart in the embodiment of the present application；
Fig. 4 be in the embodiment of the present application EMS memory management process at the schematic diagram of smart mobile phone scene；
Fig. 5 a is convential memory management method schematic diagram；
Fig. 5 b is EMS memory management process schematic diagram in the embodiment of the present application；
Fig. 6 is mutual sensitivity, AM/BAM job change schematic diagram in the embodiment of the present application；
Fig. 7 is that in the embodiment of the present application, foreground task garbage reclamation performs method schematic diagram；
Fig. 8 is garbage reclamation schematic diagram under a kind of scene in the embodiment of the present application；
Fig. 9 is memory management apparatus structure schematic diagram in the embodiment of the present application；
Figure 10 is terminal structure schematic diagram in the embodiment of the present application；
Figure 11 is another kind of terminal structure schematic diagram in the embodiment of the present application.
Detailed description of the invention
In order to make the purpose of the application, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the application is described in further detail, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of the application protection.
The EMS memory management process related in the embodiment of the present application is preferably applicable to application automatic memory management technology and carries out the scene of garbage reclamation, will carry out the scene of garbage reclamation and is introduced applying automatic memory management technology below the embodiment of the present application.Automatic memory management, in units of process, automatically processes the accurate algorithm of a distribution and releasing memory space for organizing internal memory.As it is shown in figure 1, for a process, from the angle of memory organization and distribution, according to the purposes of internal storage data and life cycle, the memory headroom of a process is organized as some different data fields, including heap, method district, stack, program register.Wherein, heap memory is almost deposited all of object instance, is continually changing according to the execution of user task, be the Memory Allocation of user and the main region of refuse collection management.Existing automatic memory management realizes in process, when the internal memory taken in a process running reaches in advance for the initial memory amount of its distribution, will trigger and this process carries out garbage reclamation, and garbage reclamation is primarily directed to what heap memory carried out.The purpose of garbage reclamation is exactly the process that rubbish unwanted in internal memory is found out and discharged.It is illustrated in figure 2 the object reference figure of garbage reclamation.Generally adopt and object is carried out approachability analysis to determine recovery scope, downward search is started from root object collection, object search paths traversed is called quotes chain, quote the object on chain be achievable pair as, when an object to root object collection do not have any quote chain be connected time, it is possible to determine that this object is garbage object.In the process of approachability analysis, need to get off static for object application drawing in moment, namely the operation of this process is stopped, if this process suspension overlong time, can cause that a secondary card of system is paused.
The method of memory management that the embodiment of the present application provides can be applicable to any terminal, it is advantageous to be applied to intelligent mobile terminal, for instance, mobile phone, net book, notebook computer, vehicle intelligent equipment etc..
Terminal is different in the system card that different tasks (processes different in other words) is carried out cause in the garbage collection procedure impact on Consumer's Experience of pausing, such as, user is higher to attention rate and the quality of service requirement of foreground task, and the system card that foreground task carries out causing in garbage collection procedure is paused the impact on user by terminal will be relatively larger.Based on this reason, in the embodiment of the present application, terminal, when currently running task carries out the distribution of initial memory amount, adopts resource to tilt strategy, for the initial memory amount that different task distribution is different.Such as, for the initial memory amount that foreground task distribution ratio background task is higher, so, the foreground task internal memory that uses in running is just not easy the initial memory amount that complete occupied terminal is its distribution, also just it is not easy to trigger garbage reclamation, it is not easy to cause the system card caused in garbage collection procedure to pause problem, reduces the impact of experience when user is used foreground task by garbage reclamation.
The EMS memory management process, device and the terminal that the embodiment of the present application are provided below in conjunction with accompanying drawing are described in detail.
Consulting shown in Fig. 3, the flow process of the EMS memory management process that the embodiment of the present application provides is as described below.
In 301 parts, user task is identified by terminal.
Specifically, being currently running of task is at least divided into first kind task and Equations of The Second Kind task by terminal.For example, sorting technique can be, being currently running and user is operating of task is defined as first kind task, being currently running and user does not operate of task is defined as Equations of The Second Kind task, such as, first kind task is the task at terminal front stage operation, and Equations of The Second Kind task is the task at terminal running background.Or,
Sorting technique can also be, to be currently running and the task that quality of service requirement is higher is defined as first kind task by user, to be currently running and the task that quality of service requirement is relatively low is defined as Equations of The Second Kind task by user, such as, first kind task is voice calling service or music business etc., and Equations of The Second Kind task is downloading service.
Certainly, along with user's being continually changing in use, user task can switch between first kind task and Equations of The Second Kind task.Such as, current user task is first kind task, and when user newly sets up a task, newly-established task may become first kind task, and current user task becomes Equations of The Second Kind task passively.
In 302 parts, if it is first kind task that terminal identifies described user task, then distribute the first initial memory amount for described user task, and when the use amount of ram of described user task reaches described first initial memory amount, distribute the first memory increase for described user task.
In 303 parts, if it is Equations of The Second Kind task that terminal identifies described user task, then distribute the second initial memory amount for described user task, and when the use amount of ram of described user task reaches described second initial memory amount, distribute the second memory increase for described user task；
Wherein, the first initial memory amount described in 302 parts is higher than the second initial memory amount described in 303 parts；And the first memory increase that 302 described in part is higher than the second memory increase described in 303 parts.
Concrete, if it is first kind task that terminal identifies described user task, then terminal is according to historical experience or additive method, it is determined that the memory demand of described user task, is that described user task distributes the first initial memory amount according to the memory demand determined.Such as, if described user task is voice calling service, then terminal is according to historical experience, it is determined that the memory demand of voice calling service, distributes the first initial memory amount according to the voice calling service that the memory demand determined is user.
If it is Equations of The Second Kind task that terminal identifies described user task, then terminal is that user task distributes the second initial memory amount according to the standard initial memory amount being pre-configured with.First initial memory amount is more than the second initial memory amount, say, that terminal is in Memory Allocation, it is contemplated that the priority of first kind task is higher than Equations of The Second Kind task, is tilted to first kind task by memory source.
So, terminal ensure that the memory demand of user task when user task is first kind task, terminal is made to be not easy when performing user task to trigger garbage reclamation, further reduce the system card brought because of garbage reclamation to pause problem, improve the terminal Consumer's Experience when performing first kind task.
When using amount of ram to reach the initial memory amount that terminal is its distribution of user task, in order to ensure the properly functioning of user task, terminal is its storage allocation increment.In storage allocation increment, terminal also can consider the priority of first kind task and Equations of The Second Kind task, if user task is first kind task, then terminal is that user task distributes the first memory increase, if user task is Equations of The Second Kind task, then terminal is that user task distributes the second memory increase, and the first memory increase is more than the second memory increase.So, terminal is when user task is first kind task, when the use internal memory of user task reaches the first initial memory amount, is again with memory source and tilts strategy, and the use internal memory for user task adds secondary guarantee.
For the strategy of garbage reclamation, in the application, it is first kind task for user task, takes two kinds of ways of recycling.
The first way of recycling: when when using amount of ram to reach the initial memory amount that terminal is its distribution of user task, the internal memory of user task is carried out garbage reclamation by triggering terminal immediately.
The second way of recycling: when when using amount of ram to reach the initial memory amount that terminal is its distribution of user task, select the internal memory of user task is carried out the opportunity of garbage reclamation according to the entering frequency of user task with user.
Specifically, before the use amount of ram of user task reaches the initial memory amount that terminal is its distribution, it is typically in terminal recognition and goes out user task when being first kind task, identify the entering frequency of user to user task further, if it is determined that the entering frequency of user to user task is higher than the entering frequency threshold value preset, then when the use internal memory of user task reaches the first initial memory amount, just for user task record garbage reclamation demand, the use internal memory of user task is not carried out garbage reclamation, but when determining the entering frequency of user to user task not higher than default entering frequency threshold value, or, when determining that user task is replaced by Equations of The Second Kind task by first kind task, described garbage reclamation demand according to record, the use internal memory of triggered for user task carries out garbage reclamation.Such that avoid the garbage reclamation impact on first kind task, turn avoid the internal memory of first kind task and expand.Certainly, in garbage collection procedure, terminal continues the entering frequency of monitoring user to user task, however, it is determined that the entering frequency of user to user task again comes above default entering frequency threshold value, then terminal garbage reclamation.In a word, in the stage that the entering frequency of user to user task is higher than the entering frequency threshold value preset, terminal is avoided user task is carried out garbage reclamation, also just completely avoid because garbage reclamation causes system card to pause the problem affecting Consumer's Experience brought, it is ensured that smooth and easy when performing first kind task of terminal.
Being Equations of The Second Kind task for user task, when the use amount of ram of user task reaches the second initial memory amount that terminal is its distribution, the use internal memory of triggered for user task carries out garbage reclamation immediately.
EMS memory management process the embodiment of the present application provided below with reference to concrete application scenarios is described in further detail.Assuming that above-mentioned terminal is smart mobile phone, above-mentioned first kind task is the task (referred to as foreground task) at smart mobile phone front stage operation, and above-mentioned Equations of The Second Kind task is the task (referred to as background task) at smart mobile phone running background.
The EMS memory management process being illustrated in figure 4 the embodiment of the present application is applied to the smart mobile phone scene schematic diagram in a certain application moment.On smart mobile phone, the task of front stage operation accepts user's input operations such as the click of user, slip, will perform result presentation to user.Compared to background task, foreground task is had higher attention rate and quality of service requirement by user.Limited memory resource, when Memory Allocation, is tilted to foreground task, distributes to the higher initial memory amount of foreground task and higher memory increase by terminal.In practical application, when the use internal memory of task run reaches initial memory amount, smart mobile phone will be its storage allocation increment, when the use internal memory of task run reaches the amount of ram after storage allocation increment, smart mobile phone will be its storage allocation increment again, and in general, the memory increase of every sub-distribution is identical, can certainly arranging different memory increases as the case may be, the schematic diagram shown in Fig. 4 is all example mutually and illustrates with memory increase.
In automatic memory management technology, the region that garbage reclamation primary responsibility reclaims is heap memory district.The method for smart mobile phone, the heap memory of foreground task being managed below, (as shown in Figure 5 a) carries out contrast introduce with the method (as shown in Figure 5 b) of the application offer in the conventional way.
As shown in Figure 5 a, in traditional method, smart mobile phone distributes to the initial memory amount of foreground task and memory increase is less, general and that distribute to background task initial memory amount and memory increase do not have difference, in foreground task running, the internal memory that uses of foreground task easily reaches the initial memory amount (internal memory namely used reaches the thick ledgement of black in figure) for its distribution, it is easy to trigger smart mobile phone and foreground task is carried out garbage reclamation, at smart mobile phone for (figure moving on the thick ledgement of black and represents storage allocation increment after its storage allocation increment, it is foreground task free memory below the thick ledgement of black), the internal memory that uses of foreground task easily reaches again the amount of ram after increasing memory increase, just trigger smart mobile phone again and foreground task is carried out garbage reclamation.So, foreground task is in running, in execution frequency such as Fig. 5 a of triggering garbage reclamation shown in black vertical moulding interval, it is seen that very frequent, and so, substantial amounts of garbage reclamation, by strengthening the occurrence frequency that system card pauses, also just increases the impact on Consumer's Experience.
Compare, as shown in Figure 5 b, in the method that the application provides, smart mobile phone distributes to the initial memory amount of foreground task and memory increase is generally more than the initial memory amount and memory increase of distributing to background task, in foreground task running, the internal memory that uses of foreground task is not readily reachable by initial memory amount for its distribution (internal memory namely used be not readily reachable by figure the thick ledgement of black) very much, is namely not easy to trigger smart mobile phone very much and foreground task is carried out garbage reclamation.Unavoidably, if the internal memory that uses of foreground task has reached the initial memory amount for its distribution, then smart mobile phone triggers garbage reclamation on the one hand, (for the memory increase that foreground task distribution is more figure moves on the thick ledgement of black and represents storage allocation increment on the other hand, it is foreground task free memory below the thick ledgement of black), so, the internal memory that uses of foreground task is just not easy again to reach the amount of ram after increasing memory increase, thus will not trigger smart mobile phone easily again and foreground task is carried out garbage reclamation.Foreground task is in running, in execution frequency such as Fig. 5 b of triggering garbage reclamation shown in black vertical moulding interval, visible compare traditional method, garbage reclamation is turned parts into the whole by the method that the application provides, execution frequency reduces, so, the occurrence frequency that less system card pauses, impact on Consumer's Experience when also just further reducing platform task before execution.
As described in above-mentioned Fig. 4 and Fig. 5 b, smart mobile phone, when the use internal memory of foreground task is reached for the initial memory amount of its distribution, triggers garbage reclamation on the one hand, is its storage allocation increment on the other hand.In the embodiment of the present application, for the method that foreground task triggers garbage reclamation, except adopting the method described in Fig. 4 and Fig. 5 b, have also been devised a kind of method triggering garbage reclamation, described in detail below.
One, mutual sensitivity is distinguished.
Smart mobile phone, when identifying foreground task, distributes initial memory amount for foreground task, and identifies the entering frequency of user and foreground task further, and smart mobile phone pre-sets entering frequency threshold value；
It is said differently, smart mobile phone identifies the mutual sensitivity of foreground task and user further, smart mobile phone pre-sets the mutual sensitivity threshold value of foreground task and user, when the mutual sensitivity of foreground task with user is higher than the mutual sensitivity threshold value preset, it is believed that foreground task is mutual sensitive task；On the contrary, when the mutual sensitivity of foreground task and user is not higher than default mutual sensitivity threshold value, it is believed that foreground task is task insensitive alternately.In the application process of smart mobile phone, between user and operation task can be user's input to touching screen alternately, as click, slip, gesture, short by, long press, or the input of other devices, as sensor move, hardware keyboards button, earphone keystroke, remote controller key etc..At any one time point, user can only be operated with a foreground task.
Due to no interactions between background task and user, therefore background task is not related to sensitive alternately or insensitive alternately differentiation.
In practical application, according to being continually changing that user uses, can there is the change of mutual sensitivity or the change of AM/BAM task in the task that smart mobile phone runs.
Such as, as shown in Figure 6, running on smart mobile phone of task has 5 five tasks of task 1～task, wherein, in state for the moment, task 1, task 2 and task 3 belong to foreground task group, task 4 and task 5 belong to background task group, task 1 is mutual sensitive task, and task 2 and task 3 be mutual insensitive task, task 4 and task 5 and user's no interactions.
State one is changed into state two: when task 1 is no longer carried out frequent operation by user, and when namely the mutual sensitivity between task 1 and user reduces, task 1 is changed into mutual insensitive task by mutual sensitive task.Such as, in state one, task 1 inputs an information in social networking application for user and sends, in state two, user enters waiting state after completing the transmission of this information, then task 1 is changed into the mutual insensitive task of foreground task by the mutual sensitive task of foreground task.
State one is changed into state three: the mutual sensitive task that task 1 is foreground task, and when user opens task 4, task 1 is changed into background task by foreground task, and task 4 is changed into foreground task by background task and is mutual sensitive task.
Two, garbage reclamation opportunity is determined according to mutual sensitivity.
User is significantly high to attention rate and the quality of service requirement of foreground task, especially to the mutual sensitive task in foreground task, although in the scheme described in above-mentioned Fig. 4 and Fig. 5 b, for foreground task, the higher initial memory amount of smart mobile phone distribution and higher memory increase, but, along with the operation of foreground task, inevitably still garbage reclamation can be triggered.
Based on this, in the embodiment of the present application, distributing to after the initial memory amount that foreground task is higher and after memory increase, determine whether the mutual sensitivity of foreground task, after the use internal memory of foreground task is reached for the initial memory amount of its distribution, if it is determined that foreground task is mutual sensitive task, then simply for its storage allocation increment, do not trigger garbage reclamation, but first record garbage reclamation demand, when determining that foreground task is replaced by mutual insensitive task or background task, just trigger garbage reclamation.So, being both avoided that the internal memory of foreground task expanded, when can completely avoid again garbage reclamation, system card pauses the impact that foreground task is caused, and is greatly improved the experience of user during smart mobile phone platform task before execution.
Such as, it is illustrated in figure 7 foreground task garbage reclamation and performs method schematic diagram.The mutual sensitivity interval that foreground task 1 is frequently mutual with user, internal memory is used to reach initial memory amount, should once garbage reclamation (empty oblique line interval), but the opportunity of garbage reclamation is elapsed outside the mutual sensitivity interval of task 1 (black interval) by smart mobile phone.In like manner, the garbage reclamation that foreground task 2 should occur in mutual sensitivity interval is also pushed to outside mutual sensitivity interval.
As shown in Figure 8, the rubbish recovering method of the task 1 shown in Fig. 7 is described in further detail in conjunction with EMS memory management process.Foreground task 1, when state 1, uses internal memory to be reached for the initial memory amount of its distribution, owing in mutual sensitivity interval, therefore smart mobile phone is only its storage allocation increment when state 2, does not trigger garbage reclamation, also remembers this garbage reclamation demand simultaneously.Trigger garbage reclamation during state 3 outside mutual sensitivity interval, after garbage reclamation, smart mobile phone can by foreground task 1 can amount of ram be adjusted to initial memory amount, naturally it is also possible to maintain the amount of ram increased after memory increase.The amount of ram of foreground task 1 changes as shown in Figure 8.
Based on same inventive concept, as it is shown in figure 9, the embodiment of the present application additionally provides a kind of memory management device 90, being used for performing the above-mentioned EMS memory management process of the embodiment of the present application, described memory management device 90 includes: recognition unit 91 and allocation units 92.Wherein:
Recognition unit 91, for being identified user task；
Allocation units 92, for described recognition unit 91 identify described user task be the first kind task time, the first initial memory amount is distributed for described user task, and when the use amount of ram of described user task reaches described first initial memory amount, distribute the first memory increase for described user task；And,
Described recognition unit 91 identify described user task be Equations of The Second Kind task time, the second initial memory amount is distributed for described user task, and when the use amount of ram of described user task reaches described second initial memory amount, distribute the second memory increase for described user task；
Wherein, described first kind task is be currently running and task that user is operating, and described Equations of The Second Kind task is be currently running and task that user does not operate；Described first initial memory amount is higher than described second initial memory amount；Described first memory increase is higher than described second memory increase.
It is also preferred that the left described recognition unit 91 is additionally operable to, before the use internal memory of described user task reaches described first initial memory amount, it is judged that described user is to whether the entering frequency of described user task is higher than the entering frequency threshold value preset；
Preferably, described device 90 also includes memory management unit 93, described memory management unit 93 is used for, determine that the described user entering frequency to described user task is higher than the entering frequency threshold value preset at described recognition unit 91, and the use internal memory of described user task is when reaching described first initial memory amount, abandon the use internal memory of described user task is carried out garbage reclamation, and for described user task record garbage reclamation demand.
Preferably, described memory management unit 93 is additionally operable to, described recognition unit 91 determine described user to the entering frequency of described user task not higher than described default entering frequency threshold value time, or, when determining that described user task is replaced by described Equations of The Second Kind task by described first kind task, according to the described garbage reclamation demand of record, trigger the use internal memory to described user task and carry out garbage reclamation.
It is also preferred that the left described allocation units 92 specifically for:
Determine the memory demand of described first kind task, be that described user task distributes the first initial memory amount according to the memory demand determined.
Preferably, described memory management unit 93 is additionally operable to, it is after described user task distributes described second initial memory amount at described allocation units 92, when the use amount of ram of described user task reaches described second initial memory amount, triggers the use internal memory to described user task and carry out garbage reclamation.
Based on same inventive concept, as shown in Figure 10, the embodiment of the present application additionally provides a kind of terminal 1000, and for performing the EMS memory management process of the above-mentioned offer of the embodiment of the present application, described terminal 1000 includes memorizer 1001 and processor 1002.Wherein, memorizer 1001, it is used for storing batch processing；Described processor 1002 is for calling the program of memorizer 1001 storage, it is possible to perform the one or more steps in above-described embodiment, or wherein optional embodiment so that described terminal 1000 realizes the function of terminal in above-mentioned EMS memory management process.
It is also preferred that the left terminal 1000 also includes bus 1003, memorizer 1001, processor 1002 are all connected with bus 1003,
Processor 1002 can be central processing unit (English: centralprocessingunit, abbreviation: CPU), network processing unit (English: networkprocessor, NP) or the combination of CPU and NP abbreviation:.
Processor 1002 can further include hardware chip.Above-mentioned hardware chip can be that special IC is (English: application-specificintegratedcircuit, abbreviation: ASIC), PLD (English: programmablelogicdevice, PLD) or its combination abbreviation:.Above-mentioned PLD can be that CPLD is (English: complexprogrammablelogicdevice, abbreviation: CPLD), field programmable gate array is (English: field-programmablegatearray, abbreviation: FPGA), GAL (English: genericarraylogic, GAL) or its combination in any abbreviation:.
It is (English: volatilememory), for instance random access memory (English: random-accessmemory, abbreviation: RAM) that memorizer 1001 can include volatile memory；It is (English: non-volatilememory) that memorizer 1001 can also include nonvolatile memory, such as flash memory is (English: flashmemory), hard disk is (English: harddiskdrive, abbreviation: HDD) or solid state hard disc (English: solid-statedrive, abbreviation: SSD)；Memorizer 1001 can also include the combination of the memorizer of mentioned kind.
Based on same inventive concept, the embodiment of the present application additionally provides another kind of terminal 1100, for performing the EMS memory management process of the above-mentioned offer of the application, this terminal 1100 can be mobile phone, panel computer, personal digital assistant (English: PersonalDigitalAssistant, abbreviation: PDA), point-of-sale terminal (English: PointofSales, POS) or vehicle-mounted computer etc. abbreviation:.
Figure 11 is illustrated that the structural representation of terminal 1100.
With reference to Figure 11, terminal 1100 includes, radio frequency is (English: RadioFrequency, be called for short: RF) circuit 1110, memorizer 1120, input block 1130, display unit 1140, processor 1160, voicefrequency circuit 1170, Wireless Fidelity (English: WirelessFidelity, be called for short: WiFi) module 1180, power supply 1190.This memorizer 1120 can be used for storing the program that processor 1160 performs；This input block 1130 for receiving the input of user, such as user to the click of touch screen, slip, gesture, short by, long press, or receive sensor and move the signal of generation, hardware keyboards key-press input, earphone keystroke inputs, remote controller input etc.；This processor 1160 is for performing the program of memorizer 1120 storage so that terminal 1100 can perform the EMS memory management process of the above-mentioned offer of the application.
It is (English: volatilememory), for instance random access memory (English: random-accessmemory, abbreviation: RAM) that this memorizer 1120 can include volatile memory；It is (English: non-volatilememory) that memorizer 1001 can also include nonvolatile memory, such as flash memory is (English: flashmemory), hard disk is (English: harddiskdrive, abbreviation: HDD) or solid state hard disc (English: solid-statedrive, abbreviation: SSD), CD, floppy disk or magnetic tape controller etc.；Memorizer 1120 can also include the combination of the memorizer of mentioned kind.
This input block 1130 can be used for receiving numeral or the character information of input, and produces the signal input relevant with the user setup of terminal 1100 and function control.Specifically, in the embodiment of the present application, this input block 1130 can include contact panel 1131.Contact panel 1131, also referred to as touch screen, user can be collected thereon or neighbouring touch operation (such as user uses any applicable object such as finger, stylus or adnexa on contact panel 1131 or in the operation of contact panel 1131), and drive corresponding connecting device according to formula set in advance.Optionally, contact panel 1131 can include touch detecting apparatus and two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings, transmit a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives this processor 1160, and can receive order that processor 1160 sends and be performed.Furthermore, it is possible to adopt the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave to realize contact panel 1131.Except contact panel 1131, input block 1130 can also include other input equipments 1132, and other input equipments 1132 can include but not limited to one or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
This terminal 1100 can also include display unit 1140, and this display unit 1140 can be used for showing the various menu interfaces of information or the information being supplied to user and the terminal 1100 inputted by user.This display unit 1140 can include display floater 1141, optionally, liquid crystal display can be adopted (English: LiquidCrystalDisplay, be called for short: LCD) or Organic Light Emitting Diode (English: OrganicLight-EmittingDiode, OLED) etc. be called for short: form configures display floater 1141.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect.And, the application can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) wherein including computer usable program code.
The application describes with reference to flow chart and/or the block diagram according to the method for the embodiment of the present application, equipment (system) and computer program.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the application, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the application scope.
Obviously, the embodiment of the present application can be carried out various change and the modification spirit and scope without deviating from the embodiment of the present application by those skilled in the art.So, if these amendments of the embodiment of the present application and modification belong within the scope of the application claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (12)
1. an EMS memory management process, it is characterised in that including:
User task is identified by terminal；
If identifying described user task is first kind task, then distribute the first initial memory amount for described user task, and when the use amount of ram of described user task reaches described first initial memory amount, distribute the first memory increase for described user task；
If identifying described user task is Equations of The Second Kind task, then distribute the second initial memory amount for described user task, and when the use amount of ram of described user task reaches described second initial memory amount, distribute the second memory increase for described user task；
Wherein, described first kind task is be currently running and task that user is operating, and described Equations of The Second Kind task is be currently running and task that user does not operate；Described first initial memory amount is higher than described second initial memory amount；Described first memory increase is higher than described second memory increase.
2. the method for claim 1, it is characterized in that, if identifying described user task is first kind task, if described terminal is before the use internal memory of described user task reaches described first initial memory amount, determine that the described user entering frequency to described user task is higher than the entering frequency threshold value preset, then when the use internal memory of described user task reaches described first initial memory amount, for described user task record garbage reclamation demand.
3. method as claimed in claim 2, it is characterised in that described terminal is for, after described user task record garbage reclamation demand, also including:
Described terminal determine described user to the entering frequency of described user task not higher than described default entering frequency threshold value time, or, when determining that described user task is replaced by described Equations of The Second Kind task by described first kind task, according to the described garbage reclamation demand of record, trigger the use internal memory to described user task and carry out garbage reclamation.
4. the method as described in claim 1,2 or 3, it is characterised in that described terminal is that described user task distributes described first initial memory amount, including:
Described terminal determines the memory demand of described first kind task, is that described user task distributes the first initial memory amount according to the memory demand determined.
5. the method for claim 1, it is characterized in that, described terminal is after described user task distributes described second initial memory amount, when the use amount of ram of described user task reaches described second initial memory amount, triggers the use internal memory to described user task and carries out garbage reclamation.
6. the method as described in any one of claim 1-5, it is characterised in that described first kind task is the task at described terminal front stage operation, described Equations of The Second Kind task is the task at described terminal running background.
7. a memory management device, it is characterised in that including:
Recognition unit, for being identified user task；
Allocation units, for described recognition unit identify described user task be the first kind task time, distribute the first initial memory amount for described user task, and when the use amount of ram of described user task reaches described first initial memory amount, distribute the first memory increase for described user task；And,
Described recognition unit identify described user task be Equations of The Second Kind task time, the second initial memory amount is distributed for described user task, and when the use amount of ram of described user task reaches described second initial memory amount, distribute the second memory increase for described user task；
Wherein, described first kind task is be currently running and task that user is operating, and described Equations of The Second Kind task is be currently running and task that user does not operate；Described first initial memory amount is higher than described second initial memory amount；Described first memory increase is higher than described second memory increase.
8. device as claimed in claim 7, it is characterized in that, described recognition unit is additionally operable to, before the use internal memory of described user task reaches described first initial memory amount, it is judged that described user is to whether the entering frequency of described user task is higher than the entering frequency threshold value preset；
Described device also includes memory management unit, described memory management unit is used for, if it is first kind task that described recognition unit identifies described user task, and determine that the described user entering frequency to described user task is higher than the entering frequency threshold value preset, when the use internal memory of described user task reaches described first initial memory amount, for described user task record garbage reclamation demand.
9. device as claimed in claim 8, it is characterised in that
Described memory management unit is additionally operable to, after for described user task record garbage reclamation demand, described recognition unit determine described user to the entering frequency of described user task not higher than described default entering frequency threshold value time, or, when determining that described user task is replaced by described Equations of The Second Kind task by described first kind task, according to the described garbage reclamation demand of record, trigger the use internal memory to described user task and carry out garbage reclamation.
10. the device as described in claim 7,8 or 9, it is characterised in that described allocation units specifically for:
Determine the memory demand of described first kind task, be that described user task distributes the first initial memory amount according to the memory demand determined.
11. device as claimed in claim 7, it is characterized in that, described memory management unit is additionally operable to, it is after described user task distributes described second initial memory amount at described allocation units, when the use amount of ram of described user task reaches described second initial memory amount, trigger the use internal memory to described user task and carry out garbage reclamation.
12. a terminal, it is characterised in that include memorizer and processor, wherein, described memorizer is used for storing batch processing, and the program that described processor stores for calling described memorizer is to perform the method as described in any one of claim 1-6.
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