CN113589916A - Memory control method and device - Google Patents
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Abstract
The application discloses a method and a device for controlling a memory, and belongs to the technical field of electronics. The method comprises the following steps: acquiring bandwidth information of each first application program in at least one first application program, wherein the first application program is an application program operated by the memory, and the bandwidth information is used for indicating the bandwidth required by the corresponding application program in operation; determining a total bandwidth required by the at least one first application program when running based on the bandwidth information of the at least one first application program; and under the condition that the first bandwidth of the memory is smaller than the total bandwidth, adjusting a bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
Description
Technical Field
The application belongs to the technical field of electronics, and particularly relates to a method and a device for controlling a memory.
Background
A Memory (Memory) is one of important components in electronic devices such as a smart phone and a tablet pc, and is used for temporarily storing operation data in a Central Processing Unit (CPU), and all programs in the electronic device are executed in the Memory. The memory consumes a large amount of energy in the electronic equipment in the running process, and the memory power consumption accounts for 20% -30% of the whole machine power consumption according to statistics. Therefore, how to optimize the control of the memory power consumption becomes an urgent problem to be solved. However, the memory may be in an overload operation state, and the overload operation state may increase the energy consumption of the memory, so that the overall power consumption of the memory is high.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method and an apparatus for controlling a memory, so as to solve the problem that the current memory has high overall power consumption.
In a first aspect, an embodiment of the present application provides a method for controlling a memory, including:
acquiring bandwidth information of each first application program in at least one first application program, wherein the first application program is an application program operated by the memory, and the bandwidth information is used for indicating the bandwidth required by the corresponding application program in operation;
determining a total bandwidth required by the at least one first application program when running based on the bandwidth information of the at least one first application program;
and under the condition that the first bandwidth of the memory is smaller than the total bandwidth, adjusting a bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
In a second aspect, an embodiment of the present application provides a control device for a memory, including:
a bandwidth information obtaining module, configured to obtain bandwidth information of each first application program in at least one first application program, where the first application program is an application program that runs in the memory, and the bandwidth information is used to indicate a bandwidth required by the corresponding application program when the application program runs;
a total bandwidth determining module, configured to determine, based on the bandwidth information of the at least one first application, a total bandwidth required when the at least one first application runs;
and the adjusting module is used for adjusting the bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth under the condition that the first bandwidth of the memory is smaller than the total bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
In a third aspect, an embodiment of the present application provides an electronic device, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, and when executed by the processor, the program or instructions implement the steps of the method according to the first aspect.
In a fourth aspect, embodiments of the present application provide a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the first aspect.
In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the first aspect.
In the embodiment of the application, bandwidth information of each application program run by the electronic device is acquired, a total bandwidth required by the application program run by the electronic device is determined based on the acquired bandwidth information, and a bandwidth control parameter of the memory is adjusted under the condition that a current first bandwidth of the memory is smaller than the total bandwidth, so that the bandwidth of the memory is increased from the first bandwidth to a second bandwidth which is larger than or equal to the total bandwidth. Therefore, the memory control method in the embodiment of the application can adjust the bandwidth of the memory in time according to the total bandwidth of the application program operated by the electronic equipment, so that the bandwidth of the memory can meet the operation of the application program of the electronic equipment, and the phenomenon that the memory is in an overload operation state is avoided or reduced, thereby reducing the overall power consumption of the memory.
Drawings
Fig. 1 is a schematic flowchart of a memory control method according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a memory provided in the present embodiment;
fig. 3 is a schematic structural diagram of a memory control device according to an embodiment of the present disclosure;
fig. 4 is a schematic hardware structure diagram of an electronic device provided in an embodiment of the present application;
fig. 5 is a second schematic diagram of a hardware structure of an electronic device according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The memory control method provided in the embodiments of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1, a schematic flow chart of a memory control method according to an embodiment of the present disclosure is shown, where as shown in fig. 1, the memory control method includes the following steps:
Based on the above, the bandwidth information of each application program run by the electronic device is acquired, the total bandwidth required by the application program run by the electronic device is determined based on the acquired bandwidth information, and the bandwidth control parameter of the memory is adjusted under the condition that the current first bandwidth of the memory is smaller than the total bandwidth, so that the bandwidth of the memory is increased from the first bandwidth to a second bandwidth which is larger than or equal to the total bandwidth. Therefore, the memory control method in the embodiment of the application can adjust the bandwidth of the memory in time according to the total bandwidth of the application program operated by the electronic equipment, so that the bandwidth of the memory can meet the operation of the application program of the electronic equipment, and the phenomenon that the memory is in an overload operation state is avoided or reduced, thereby reducing the overall power consumption of the memory.
In the step 101, in the case that the electronic device acquires the bandwidth detection instruction, the electronic device may acquire the bandwidth information of each of the at least one first application program in response to the bandwidth detection instruction.
The bandwidth detection instruction may be an instruction generated by the electronic device according to a bandwidth detection input of a user, and the bandwidth detection input may be at least one of a voice input, an air gesture input, a touch input, and the like.
For example, in a case that a "bandwidth detection" control is displayed in a display interface of the electronic device, if the electronic device receives a click operation (i.e., a bandwidth detection input) of the "bandwidth detection" control by a user, the electronic device generates a bandwidth detection instruction, and so on.
Alternatively, the bandwidth detection command may be a command automatically generated by the electronic device, and specifically, the bandwidth detection command may be periodically generated by the electronic device. For example, it may be that the electronic device is configured with a timer, and in a case that a timing length of the timer reaches, the electronic device may generate the above-mentioned bandwidth detection instruction and restart the timer, and so on.
Alternatively, the automatically generating, by the electronic device, the bandwidth detection instruction may include: the electronic equipment receives an application program starting input of a user, wherein the application program starting input is used for indicating to run a second application program; and responding to the application program starting input, and generating a bandwidth detection instruction, wherein the bandwidth detection instruction is used for indicating to acquire the bandwidth information of the second application program and the bandwidth information of the at least one first application program.
The application start input may be any input for instructing the electronic device to run the second application, and may include at least one of a voice input, an air gesture input, a touch input, and the like.
For example, in a case where a user needs to open a video application to watch a movie, the user clicks an icon of the video application displayed in a desktop interface of the electronic device, at this time, the electronic device receives a click input (i.e., an application start input) of the user on the icon of the video application, and the electronic device generates the bandwidth detection instruction and acquires bandwidth information of the video application and bandwidth information of an application run by the electronic device in response to the bandwidth detection instruction.
In addition, the at least one first application may be understood as all applications currently run by the electronic device, that is, each first application is an application currently run by the electronic device; and, the bandwidth information may be any information for indicating the bandwidth required by the corresponding application program when running, specifically, the bandwidth information may be the bandwidth required by the corresponding application program when running, and the like.
Of course, the bandwidth detection instruction may also be an instruction generated when the electronic device detects that the bandwidth required by the application program running on the electronic device changes and meets the preset condition. For example, in a case that the electronic device runs with a browser, if the electronic device simultaneously opens multiple webpages, and the bandwidth required by the browser increases due to the simultaneous opening of the multiple webpages, and the increased bandwidth exceeds a preset bandwidth, the electronic device generates the bandwidth detection instruction, and so on.
In this embodiment of the application, the obtaining of the bandwidth information of each first application in the at least one first application may be that bandwidth information of each application in the electronic device is preset in installation data of each application, and in a case that the electronic device runs the at least one first application, the electronic device may read the bandwidth information of the first application in the installation data of each first application. Similarly, the electronic device may read the bandwidth information of the second application program in the installation data of the second application program.
For example, at the code compiling stage of each application program, the memory requirement (i.e. the required bandwidth) of the application program in a unit time of calculation may be identified, and the memory requirement obtained by the calculation is written into the installation package of the application program, and in the case that the application program is installed in the electronic device, the electronic device may directly read the memory requirement of the application program from the installation data of the application program.
In the step 102, after the bandwidth information of each of the at least one first application is obtained, the electronic device determines, based on the bandwidth information of the at least one first application, a total bandwidth required for the at least one first application to run.
The total bandwidth required by the running of the at least one first application program is determined based on the bandwidth information of the at least one first application program, that is, the bandwidth required by each first application program is obtained according to the bandwidth information of the at least one first application program, the sum of the bandwidths required by the at least one first application program is calculated, and the calculated sum is used as the total bandwidth of the at least one first application program.
For example, in a case where the electronic device currently runs with APP0, APP1, APP2, APP3, and APP4 (i.e., at least one first application), if the electronic device acquires the bandwidth (i.e., the bandwidth information of each first application) required in the running of each of APP0, APP1, APP2, APP3, and APP4, the electronic device takes the sum of the bandwidths required by APP0, APP1, APP2, APP3, and APP4 as the total bandwidth.
In addition, it is noted that, before the obtaining the bandwidth information of the at least one first application, the method may further include:
receiving an application program starting input of a user, wherein the application program starting input is used for indicating to run a second application program;
the obtaining bandwidth information of each first application program in the at least one first application program may include:
responding to application program starting input, and acquiring bandwidth information of a second application program and bandwidth information of each first application program in at least one first application program;
the total bandwidth is the sum of a first required bandwidth and a second required bandwidth, the first required bandwidth is the sum of bandwidths required by the running of at least one first application program, and the second required bandwidth is the bandwidth required by the running of a second application program.
Based on this, the sum of the bandwidths required by the newly started second application program and all the first application programs already running is used as the total bandwidth, so that the electronic equipment can timely judge whether the current bandwidth of the memory cannot meet the running of the application program due to the running of the new application program under the condition that a user needs to run the new application program, the memory can be prevented from being in an overload running state, and the overall power consumption of the memory is effectively reduced.
Illustratively, in the case where the electronic device is currently running with APP0, APP1, APP2, APP3, and APP4 (i.e., at least one first application), if the electronic device receives an input that the user clicks the icon of APP5, the electronic device starts APP5 (i.e., a second application), and takes the sum of the bandwidth required by APP5 (i.e., a second required bandwidth) and the sum of the bandwidths required by APP0, APP1, APP2, APP3, and APP4 (i.e., a first required bandwidth) as the above total bandwidth.
In step 103, after determining the total bandwidth, the electronic device may determine whether a current bandwidth (i.e., a first bandwidth) of the memory is smaller than the total bandwidth, and adjust a bandwidth control parameter of the memory to control the bandwidth of the memory to be updated from the first bandwidth to a second bandwidth that is greater than or equal to the total bandwidth when the first bandwidth of the memory is smaller than the total bandwidth.
The bandwidth control parameter may be any parameter that can cause a change in a bandwidth of a memory (i.e., a bandwidth available in the memory) when adjusted.
It should be noted that, as can be known from the structure of the memory (for example, the memory structure shown in fig. 2), the memory may generally include a plurality of memory channels (channels) respectively used for providing data storage, and each channel may include a memory granule module (rank) respectively used for providing data storage, and in the case that different numbers of channels and/or ranks are opened, different bandwidths may be provided, that is, the bandwidth available in the memory is related to the number of channels in the operating state and the number of ranks in the operating state; in addition, a change in the bus operating frequency of the memory may also cause a change in the bandwidth available to the memory.
Moreover, through a large amount of memory data simulation, the following calculation formula (1) of the bandwidth available in the memory can be obtained, specifically as follows:
BWreal＝2kefficient·Wbus
FreqCHactive(1)
in the formula (1), BWrealThe bandwidth available by the memory, namely the current bandwidth of the memory, is represented;
kefficientthe efficiency coefficient, i.e. the bandwidth efficiency achieved by enabling different numbers of ranks within a single channel, may be 0-100%, typically between 70% and 100%. (wherein, the bandwidth loss caused by refresh can be represented by an efficiency coefficient because a single rank needs to perform self-refresh (refresh). moreover, the working state of a plurality of ranks can reduce the bus idle caused by refresh, and the bandwidth efficiency higher than that of a single rank can be improved in the same channel, namely, the number of ranks in the working state is different, and the efficiency coefficients are different.)
WbusRepresenting the data width of a data bus (data bus), e.g.The 32-bit memory is 32, and the 64-bit memory is 64;
freq represents the bus working frequency, and the bus working frequency is multiplied by 2 because the current memory is usually double-edge sampling;
CHactiveindicating the number of channels in operation.
Therefore, the bandwidth control parameter may include at least one of a memory bus frequency, a number of channels in an operating state, and a number of ranks in an operating state, so that a manner of controlling a current bandwidth change of the memory is more flexible.
In this embodiment of the application, the adjusting of the bandwidth control parameter of the memory to control the bandwidth of the memory to update the second bandwidth from the first bandwidth may be to control a change of the full bandwidth control parameter of the memory according to a preset rule or method, so that the bandwidth available in the memory is greater than or equal to the total bandwidth.
Specifically, the adjusting the bandwidth control parameter of the memory to control the bandwidth of the memory to update the second bandwidth from the first bandwidth includes:
acquiring at least two groups of preset bandwidth configuration information, wherein the bandwidth configuration information is configured with preset bandwidth control parameters and bandwidths with the preset bandwidth control parameters in the memory, and the preset bandwidth control parameters configured by different bandwidth configuration information are different;
determining target bandwidth configuration information matched with the total bandwidth in at least two groups of bandwidth configuration information, wherein the target bandwidth configuration information is as follows: bandwidth configuration information, the configured bandwidth of which is greater than or equal to the total bandwidth and is closest to the total bandwidth;
and updating the bandwidth control parameter of the control memory to a preset bandwidth control parameter configured by the target bandwidth configuration information.
Based on this, at least two groups of bandwidth configuration information are preset, the electronic device can compare the determined total bandwidth with the bandwidths in the bandwidth configuration information of each group, determine that the configured bandwidth is greater than or equal to the total bandwidth and the bandwidth configuration information closest to the total bandwidth is the target bandwidth configuration information, and finally update the bandwidth control parameter of the memory to the preset bandwidth control parameter configured by the bandwidth configuration information, so that the calculated amount of the electronic device is reduced, the efficiency of the electronic device for adjusting the memory is accelerated, and the power consumption of the memory is further reduced.
For example, assuming that the bandwidth control parameter includes a memory bus frequency, a number of channels in an operating state, and a number of ranks in the operating state, at this time, a bandwidth capability table 1 shown below may be preset in the electronic device, and the configuration information in each sequence in table 1 is a set of the bandwidth configuration information.
TABLE 1 Bandwidth capability
| Sequence of | Freq | Wbus | CHactive | rankactive(kefficient) | BWreal |
| 1 | 800 | 64 | 1 | 1 | 71.68 |
| 2 | 800 | 64 | 1 | 2 | 81.92 |
| 3 | 800 | 64 | 2 | 1 | 143.36 |
| … | … | … | … |
Thus, in the case that the total bandwidth is greater than or equal to 71.68 and less than 81.92, the bus frequency of the memory can be adjusted to be 800, the number of channels in the working state is 1, and the number of ranks in the working state is 1; in the case that the total bandwidth is greater than or equal to 81.92 and less than 143.36, the bus frequency of the memory can be adjusted to 800, the number of channels in the active state is 1, the number of rank in the active state is 2, and so on.
It should be noted that, the at least two sets of bandwidth configuration information are configured in advance in the electronic device, a register is pre-set in the electronic device, the register is used for storing the at least two sets of bandwidth configuration information, and the definition of the register may be as shown in table 2 below, where Access is a bit address indication, and different OPs [ ] indicate different bit addresses.
TABLE 2 register
Or, the bandwidth control parameter may include a plurality of control parameters preset with different priorities;
the adjusting the bandwidth control parameter of the memory may include:
according to the priorities of the control parameters, the control parameters of the memory are adjusted in sequence, wherein:
under the condition of adjusting the first control parameter of the memory to the maximum parameter value, if the bandwidth of the memory is detected to be still smaller than the total bandwidth, continuing to adjust the second control parameter of the memory, wherein the first control parameter and the second control parameter are two adjacent control parameters in the plurality of control parameters, and the priority of the first control parameter is higher than that of the second control parameter.
Based on this, the plurality of control parameters are adjusted in sequence according to the preset priority of each control parameter in the plurality of control parameters of the memory, so that the mode of adjusting the bandwidth provided by the memory is more flexible and diversified.
The plurality of control parameters may include at least two of the memory bus frequency, the number of channels in an operating state, and the number of ranks in an operating state.
In addition, the priorities of the control parameters can be configured according to actual needs. Specifically, the plurality of control parameters include a memory bus frequency, the number of channels in the working state, and the number of ranks in the working state, and the priority of the memory bus frequency, the number of channels in the working state, and the number of ranks in the working state is sequentially increased, so that the memory units (including the channels and the ranks) in the memory can be preferentially managed, the waste of energy consumption caused by the excessive number of the memory units can be avoided, and the overall power consumption of the memory can be further reduced.
For example, assuming that the plurality of control parameters include a bus frequency, a number of channels in an operating state, and a number of ranks in the operating state, and priorities of the bus frequency, the number of channels in the operating state, and the number of ranks in the operating state sequentially increase, if the memory includes a plurality of channels and each channel includes a plurality of ranks, in a process of adjusting a bandwidth of the memory, the ranks in the channels in the operating state may be adjusted to be in the operating state first, so that the number of ranks in the channels in the operating state increases; if all rank in the channel in the working state are in the working state and the bandwidth provided by the memory is still less than the total bandwidth, further adjusting the channel in the working state to increase the number of the channels in the working state; and if all channel rank are in working state and the bandwidth provided by the memory is still less than the total bandwidth, further adjusting the bus frequency of the memory.
It should be noted that, when the bandwidth control parameter includes the number of channels in the operating state, the electronic device may adjust the number of channels in the operating state, where the channel in the non-operating state (may also be referred to as a cold channel (cold channel)) in the memory is randomly adjusted to be in the operating state (that is, the channel enters a hot channel (hot channel)) by the cold channel; or, the electronic device may also set a number for each electronic device in the memory in advance, and the electronic devices sequentially turn on the channels in the non-operating state according to the numbering sequence.
Similarly, in the case that the bandwidth control parameter includes the number of ranks in the operating state, the electronic device may adjust the number of ranks in the operating state, where the rank in the non-operating state (may also be referred to as cold rank (cold rank)) in the memory is randomly adjusted to be in the operating state (that is, may also be referred to as entering hot rank (hot rank) from the cold rank) by the electronic device; or, the electronic device may also set a number for each electronic device in the memory in advance, and the electronic devices sequentially turn on the rank in the non-working state according to the numbering sequence.
Specifically, the memory includes a plurality of storage units, and the plurality of storage units are preset with a starting sequence, and the storage units are channels or ranks; the bandwidth control parameters comprise a third control parameter, the storage unit is a channel and the third control parameter is the number of channels in the working state, or the storage unit is a rank and the third control parameter is the number of ranks in the working state;
adjusting the bandwidth control parameter of the memory may include:
and sequentially starting the storage units of the memory according to the starting sequence of the plurality of storage units so as to adjust the third control parameter of the memory.
Based on this, the starting sequence of the memory units is set, and the memory units in the memory are adjusted to be in the working state according to the starting sequence, so that the bandwidth adjustment of the memory is more efficient, and the overall power consumption of the memory is further reduced.
For example, as shown in fig. 2, the memory may include channel1 and channel2, and channel1 includes rank11 to rank14, and channel2 includes rank21 to rank24, then, in the process of adjusting the bandwidth of the memory, rank11 to rank14 in channel1 may be adjusted to be in an operating state, so that the number of ranks in the operating state in channel1 is increased; if all ranks in channel1 are in working state and the bandwidth provided by the memory is still less than the total bandwidth, further adjusting channel2 to be in working state, increasing the number of channels in working state, and adjusting the number of ranks in working state in channel 2.
Referring to fig. 3, an embodiment of the present invention provides a memory control device, as shown in fig. 3, the memory control device 300 includes:
a bandwidth information obtaining module 301, configured to obtain bandwidth information of each first application program in at least one first application program, where the first application program is an application program that runs in the memory, and the bandwidth information is used to indicate a bandwidth required by the corresponding application program when the application program runs;
a total bandwidth determining module 302, configured to determine, based on the bandwidth information of the at least one first application, a total bandwidth required by the at least one first application when running;
an adjusting module 303, configured to adjust a bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth when the first bandwidth of the memory is smaller than the total bandwidth, where the second bandwidth is greater than or equal to the total bandwidth.
Based on the above, the bandwidth information of each application program operated by the control device of the memory is acquired, the total bandwidth required by the application program operated by the control device of the memory is determined based on the acquired bandwidth information, and the bandwidth control parameter of the memory is adjusted under the condition that the current first bandwidth of the memory is smaller than the total bandwidth, so that the bandwidth of the memory is increased from the first bandwidth to a second bandwidth which is larger than or equal to the total bandwidth. Therefore, the bandwidth of the memory can be adjusted in time according to the total bandwidth of the application program operated by the control device of the memory, so that the bandwidth of the memory can meet the operation of the application program of the control device of the memory, the phenomenon that the memory is in an overload operation state is avoided or reduced, and the overall power consumption of the memory is reduced.
Optionally, the bandwidth control parameter includes at least one of a memory bus frequency, a number of memory channel channels in an operating state, and a number of memory granule modules rank in an operating state.
Based on this, the control of the bandwidth of the memory can be realized by adjusting at least one of the memory bus frequency, the number of the memory channel channels in the working state and the number of the memory granule modules rank in the working state, so that the mode of controlling the current bandwidth change of the memory is more flexible.
Optionally, the adjusting module 303 includes:
a configuration information obtaining unit 3031, configured to obtain at least two preset groups of bandwidth configuration information, where the bandwidth configuration information is configured with a preset bandwidth control parameter and a bandwidth in which the preset bandwidth control parameter exists, and preset bandwidth control parameters configured by different bandwidth configuration information are different;
a configuration information determining unit 3032, configured to determine, in the at least two sets of bandwidth configuration information, target bandwidth configuration information matched with the total bandwidth, where the target bandwidth configuration information is: the configured bandwidth is greater than or equal to the total bandwidth and is closest to the bandwidth configuration information of the total bandwidth;
a control unit 3033, configured to control the bandwidth control parameter of the memory to update to the preset bandwidth control parameter configured in the target bandwidth configuration information.
Based on this, at least two groups of bandwidth configuration information are preset, and the control device of the memory can compare the determined total bandwidth with the bandwidth in each group of bandwidth configuration information, determine that the configured bandwidth is greater than or equal to the total bandwidth and the bandwidth configuration information closest to the total bandwidth is the target bandwidth configuration information, and finally update the bandwidth control parameter of the memory to the preset bandwidth control parameter configured by the bandwidth configuration information, so that the calculated amount of the control device of the memory is reduced, the efficiency of the control device of the memory for adjusting the memory is accelerated, and the power consumption of the memory is further reduced.
Optionally, the bandwidth control parameter includes a plurality of control parameters preset with different priorities;
the adjusting module 303 is specifically configured to:
sequentially adjusting the plurality of control parameters of the memory according to the priorities of the plurality of control parameters, wherein:
under the condition of adjusting a first control parameter of the memory to a maximum parameter value, if it is detected that the bandwidth of the memory is still smaller than the total bandwidth, continuing to adjust a second control parameter of the memory, where the first control parameter and the second control parameter are two adjacent control parameters in the plurality of control parameters, and the priority of the first control parameter is higher than the priority of the second control parameter.
Based on this, the plurality of control parameters are adjusted in sequence according to the preset priority of each control parameter in the plurality of control parameters of the memory, so that the mode of adjusting the bandwidth provided by the memory is more flexible and diversified.
Optionally, the plurality of control parameters include a memory bus frequency, a number of channels in an operating state, and a number of ranks in the operating state, and priorities of the memory bus frequency, the number of channels in the operating state, and the number of ranks in the operating state sequentially increase.
Based on this, the memory units (including the channel and the rank) in the memory can be managed preferentially, so that the waste of energy consumption caused by the excessive number of the memory units is avoided, and the overall power consumption of the memory is further reduced.
Optionally, the memory includes a plurality of storage units, and a start sequence is preset in the plurality of storage units, where the storage units are channels or ranks; the bandwidth control parameters comprise a third control parameter, the storage unit is a channel, and the third control parameter is the number of channels in the working state, or the storage unit is a rank, and the third control parameter is the number of ranks in the working state;
the adjusting module 303 is specifically configured to:
and sequentially starting the storage units of the memory according to the starting sequence of the plurality of storage units so as to adjust a third control parameter of the memory.
Based on this, the starting sequence of the memory units is set, and the memory units in the memory are adjusted to be in the working state according to the starting sequence, so that the bandwidth adjustment of the memory is more efficient, and the overall power consumption of the memory is further reduced.
Optionally, the apparatus 300 further includes:
the device comprises an input module, a display module and a control module, wherein the input module is used for receiving an application program starting input of a user, and the application program starting input is used for indicating to run a second application program;
the bandwidth information obtaining module is specifically configured to:
acquiring bandwidth information of the second application program and bandwidth information of each first application program in the at least one first application program in response to the application program starting input;
the sum of a first required bandwidth and a second required bandwidth is determined as a total bandwidth, the first required bandwidth is the sum of bandwidths required by the at least one first application program when running, and the second required bandwidth is the bandwidth required by the second application program when running.
Based on this, the sum of the newly started second application program and the bandwidths required by all the operated first application programs is used as the total bandwidth, so that the control device of the memory can timely judge whether the current bandwidth of the memory cannot meet the operation of the application program due to the operation of the new application program under the condition that a user needs to operate the new application program, the memory can be prevented from being in an overload operation state, and the overall power consumption of the memory is effectively reduced.
The control device of the memory in the embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device can be mobile electronic equipment or non-mobile electronic equipment. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine or a self-service machine, and the like, and the embodiments of the present application are not particularly limited.
The control device of the memory in the embodiment of the present application may be a device having an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, and embodiments of the present application are not limited specifically.
The memory control device provided in the embodiment of the present application can implement each process implemented in the method embodiment of fig. 1, and is not described here again to avoid repetition.
Optionally, as shown in fig. 4, an electronic device 400 is further provided in this embodiment of the present application, and includes a processor 401, a memory 402, and a program or an instruction stored in the memory 402 and executable on the processor 401, where the program or the instruction is executed by the processor 401 to implement each process of the above memory control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
It should be noted that the electronic device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.
Fig. 5 is a schematic diagram of a hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and the like.
Those skilled in the art will appreciate that the electronic device 500 may further include a power supply (e.g., a battery) for supplying power to various components, and the power supply may be logically connected to the processor 510 via a power management system, so as to implement functions of managing charging, discharging, and power consumption via the power management system. The electronic device structure shown in fig. 5 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown, or combine some components, or arrange different components, and thus, the description is omitted here.
Wherein, the processor 510 is configured to:
acquiring bandwidth information of each first application program in at least one first application program, wherein the first application program is an application program operated by the memory, and the bandwidth information is used for indicating the bandwidth required by the corresponding application program in operation;
determining a total bandwidth required by the at least one first application program when running based on the bandwidth information of the at least one first application program;
and under the condition that the first bandwidth of the memory is smaller than the total bandwidth, adjusting a bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
Based on the above, the bandwidth information of each application program run by the electronic device is acquired, the total bandwidth required by the application program run by the electronic device is determined based on the acquired bandwidth information, and the bandwidth control parameter of the memory is adjusted under the condition that the current first bandwidth of the memory is smaller than the total bandwidth, so that the bandwidth of the memory is increased from the first bandwidth to a second bandwidth which is larger than or equal to the total bandwidth. Therefore, the bandwidth of the memory can be adjusted in time according to the total bandwidth of the application program operated by the electronic equipment, so that the bandwidth of the memory can meet the operation of the application program of the electronic equipment, and the phenomenon that the memory is in an overload operation state is avoided or reduced, thereby reducing the overall power consumption of the memory.
Optionally, the bandwidth control parameter includes at least one of a memory bus frequency, a number of memory channel channels in an operating state, and a number of memory granule modules rank in an operating state.
Based on this, the control of the bandwidth of the memory can be realized by adjusting at least one of the memory bus frequency, the number of the memory channel channels in the working state and the number of the memory granule modules rank in the working state, so that the mode of controlling the current bandwidth change of the memory is more flexible.
Optionally, the processor 510 is specifically configured to:
acquiring at least two groups of preset bandwidth configuration information, wherein the bandwidth configuration information is configured with preset bandwidth control parameters and bandwidths under the preset bandwidth control parameters, and the preset bandwidth control parameters configured by different bandwidth configuration information are different;
determining target bandwidth configuration information matched with the total bandwidth in the at least two groups of bandwidth configuration information, wherein the target bandwidth configuration information is: the configured bandwidth is greater than or equal to the total bandwidth and is closest to the bandwidth configuration information of the total bandwidth;
and controlling the bandwidth control parameter of the memory to be updated to a preset bandwidth control parameter configured by the target bandwidth configuration information.
Based on this, at least two groups of bandwidth configuration information are preset, the electronic device can compare the determined total bandwidth with the bandwidths in the bandwidth configuration information of each group, determine that the configured bandwidth is greater than or equal to the total bandwidth and the bandwidth configuration information closest to the total bandwidth is the target bandwidth configuration information, and finally update the bandwidth control parameter of the memory to the preset bandwidth control parameter configured by the bandwidth configuration information, so that the calculated amount of the electronic device is reduced, the efficiency of the electronic device for adjusting the memory is accelerated, and the power consumption of the memory is further reduced.
Optionally, the bandwidth control parameter includes a plurality of control parameters preset with different priorities;
sequentially adjusting the plurality of control parameters of the memory according to the priorities of the plurality of control parameters, wherein:
under the condition of adjusting a first control parameter of the memory to a maximum parameter value, if it is detected that the bandwidth of the memory is still smaller than the total bandwidth, continuing to adjust a second control parameter of the memory, where the first control parameter and the second control parameter are two adjacent control parameters in the plurality of control parameters, and the priority of the first control parameter is higher than the priority of the second control parameter.
Based on this, the plurality of control parameters are adjusted in sequence according to the preset priority of each control parameter in the plurality of control parameters of the memory, so that the mode of adjusting the bandwidth provided by the memory is more flexible and diversified.
Optionally, the plurality of control parameters include a memory bus frequency, a number of channels in an operating state, and a number of ranks in the operating state, and priorities of the memory bus frequency, the number of channels in the operating state, and the number of ranks in the operating state sequentially increase.
Based on this, the memory units (including the channel and the rank) in the memory can be managed preferentially, so that the waste of energy consumption caused by the excessive number of the memory units is avoided, and the overall power consumption of the memory is further reduced.
Optionally, the memory includes a plurality of storage units, and a start sequence is preset in the plurality of storage units, where the storage units are channels or ranks; the bandwidth control parameters comprise a third control parameter, the storage unit is a channel, and the third control parameter is the number of channels in the working state, or the storage unit is a rank, and the third control parameter is the number of ranks in the working state;
and sequentially starting the storage units of the memory according to the starting sequence of the plurality of storage units so as to adjust a third control parameter of the memory.
Based on this, the starting sequence of the memory units is set, and the memory units in the memory are adjusted to be in the working state according to the starting sequence, so that the bandwidth adjustment of the memory is more efficient, and the overall power consumption of the memory is further reduced.
Optionally, a user input unit 507 for:
receiving an application program starting input of a user, wherein the application program starting input is used for indicating to run a second application program;
acquiring bandwidth information of the second application program and bandwidth information of each first application program in the at least one first application program in response to the application program starting input;
the total bandwidth is a sum of a first required bandwidth and a second required bandwidth, the first required bandwidth is a sum of bandwidths required by the at least one first application program when running, and the second required bandwidth is a bandwidth required by the second application program when running.
Based on this, the sum of the bandwidths required by the newly started second application program and all the first application programs already running is used as the total bandwidth, so that the electronic equipment can timely judge whether the current bandwidth of the memory cannot meet the running of the application program due to the running of the new application program under the condition that a user needs to run the new application program, the memory can be prevented from being in an overload running state, and the overall power consumption of the memory is effectively reduced.
It should be understood that in the embodiment of the present application, the input Unit 504 may include a Graphics Processing Unit (GPU) 5041 and a microphone 5042, and the Graphics processor 5041 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 507 includes a touch panel 5071 and other input devices 5072. A touch panel 5071, also referred to as a touch screen. The touch panel 5071 may include two parts of a touch detection device and a touch controller. Other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in further detail herein. The memory 509 may be used to store software programs as well as various data including, but not limited to, application programs and operating systems. Processor 510 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 510.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the above-mentioned memory control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the embodiment of the memory control method, and can achieve the same technical effect, and in order to avoid repetition, the description is omitted here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for controlling a memory, comprising:
acquiring bandwidth information of each first application program in at least one first application program, wherein the first application program is an application program running in the memory, and the bandwidth information is used for indicating the bandwidth required by the corresponding application program when the application program runs;
determining a total bandwidth required by the at least one first application program when running based on the bandwidth information of the at least one first application program;
and under the condition that the first bandwidth of the memory is smaller than the total bandwidth, adjusting a bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
2. The method of claim 1, wherein the adjusting the bandwidth control parameter of the memory to control the bandwidth of the memory to update the second bandwidth from the first bandwidth comprises:
acquiring at least two groups of preset bandwidth configuration information, wherein the bandwidth configuration information is configured with preset bandwidth control parameters and bandwidths under the preset bandwidth control parameters, and the preset bandwidth control parameters configured by different bandwidth configuration information are different;
determining target bandwidth configuration information matched with the total bandwidth in the at least two groups of bandwidth configuration information, wherein the target bandwidth configuration information is: the configured bandwidth is greater than or equal to the total bandwidth and is closest to the bandwidth configuration information of the total bandwidth;
and controlling the bandwidth control parameter of the memory to be updated to a preset bandwidth control parameter configured by the target bandwidth configuration information.
3. The method of claim 1, wherein the bandwidth control parameter comprises a plurality of control parameters preset with different priorities;
the adjusting the bandwidth control parameter of the memory includes:
sequentially adjusting the plurality of control parameters of the memory according to the priorities of the plurality of control parameters, wherein:
under the condition of adjusting a first control parameter of the memory to a maximum parameter value, if it is detected that the bandwidth of the memory is still smaller than the total bandwidth, continuing to adjust a second control parameter of the memory, where the first control parameter and the second control parameter are two adjacent control parameters in the plurality of control parameters, and the priority of the first control parameter is higher than the priority of the second control parameter.
4. The method according to claim 3, wherein the plurality of control parameters include a memory bus frequency, a number of memory channel channels in an active state, and a number of memory granule modules rank in an active state, and priorities of the memory bus frequency, the number of channels in the active state, and the number of ranks in the active state sequentially increase.
5. The method of claim 1, wherein before obtaining the bandwidth information of each of the at least one first application, further comprising:
receiving an application program starting input of a user, wherein the application program starting input is used for indicating to run a second application program;
the acquiring bandwidth information of each first application program in at least one first application program comprises:
acquiring bandwidth information of the second application program and bandwidth information of each first application program in the at least one first application program in response to the application program starting input;
the total bandwidth is a sum of a first required bandwidth and a second required bandwidth, the first required bandwidth is a sum of bandwidths required by the at least one first application program when running, and the second required bandwidth is a bandwidth required by the second application program when running.
6. A memory control device, comprising:
a bandwidth information obtaining module, configured to obtain bandwidth information of each first application program in at least one first application program, where the first application program is an application program that runs in the memory, and the bandwidth information is used to indicate a bandwidth required by the corresponding application program when the application program runs;
a total bandwidth determining module, configured to determine, based on the bandwidth information of the at least one first application, a total bandwidth required when the at least one first application runs;
and the adjusting module is used for adjusting the bandwidth control parameter of the memory to control the bandwidth of the memory to update a second bandwidth from the first bandwidth under the condition that the first bandwidth of the memory is smaller than the total bandwidth, wherein the second bandwidth is larger than or equal to the total bandwidth.
7. The apparatus of claim 6, wherein the adjustment module comprises:
the device comprises a configuration information acquisition unit, a bandwidth configuration information acquisition unit and a bandwidth configuration information processing unit, wherein the configuration information acquisition unit is used for acquiring at least two groups of preset bandwidth configuration information, the bandwidth configuration information is configured with preset bandwidth control parameters and bandwidths under the preset bandwidth control parameters, and the preset bandwidth control parameters configured by different bandwidth configuration information are different;
a configuration information determining unit, configured to determine, in the at least two sets of bandwidth configuration information, target bandwidth configuration information that matches the total bandwidth, where the target bandwidth configuration information is: the configured bandwidth is greater than or equal to the total bandwidth and is closest to the bandwidth configuration information of the total bandwidth;
and the control unit is used for controlling the bandwidth control parameter of the memory to be updated to the preset bandwidth control parameter configured by the target bandwidth configuration information.
8. The apparatus of claim 6, wherein the bandwidth control parameter comprises a plurality of control parameters preset with different priorities;
the adjusting module is specifically configured to:
sequentially adjusting the plurality of control parameters of the memory according to the priorities of the plurality of control parameters, wherein:
under the condition of adjusting a first control parameter of the memory to a maximum parameter value, if it is detected that the bandwidth of the memory is still smaller than the total bandwidth, continuing to adjust a second control parameter of the memory, where the first control parameter and the second control parameter are two adjacent control parameters in the plurality of control parameters, and the priority of the first control parameter is higher than the priority of the second control parameter.
9. The apparatus according to claim 8, wherein the plurality of control parameters include a memory bus frequency, a number of channels in operation, and a number of ranks in operation, and the memory bus frequency, the number of channels in operation, and the number of ranks in operation are sequentially increased in priority.
10. The apparatus of claim 6, further comprising:
the device comprises an input module, a display module and a control module, wherein the input module is used for receiving an application program starting input of a user, and the application program starting input is used for indicating to run a second application program;
the bandwidth information obtaining module is specifically configured to:
acquiring bandwidth information of the second application program and bandwidth information of each first application program in the at least one first application program in response to the application program starting input;
the sum of a first required bandwidth and a second required bandwidth is determined as a total bandwidth, the first required bandwidth is the sum of bandwidths required by the at least one first application program when running, and the second required bandwidth is the bandwidth required by the second application program when running.
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