TW201737077A - Performance-controlling devices and methods thereof - Google Patents

Abstract

A performance-controlling device adapted for a host includes a central processor, a first sensor, and a second sensor. The central processor operates in a first frequency and switches to a second frequency according to a first temperature signal and a second temperature signal, in which the second frequency is less than the first frequency. The first sensor detects a temperature of the central processor to generate the first temperature signal. the second sensor detects a temperature of the host to generate the second temperature signal.

Description

Performance control device and method

The present invention relates to a performance control apparatus and method, and more particularly to a performance control apparatus and method for switching a threshold temperature of a central processor down frequency.

For the user experience of consumer electronics, the surface temperature of the electronic product is often set. When the surface temperature of an electronic product is higher than a threshold temperature, the operating frequency of the central processing unit is often lowered, and when the surface temperature of the electronic product is low to some extent, the operating frequency of the central processing unit is again restore.

However, when the electronic products are in different operation modes, the surface temperature that the user can tolerate is different, so it is necessary to dynamically adjust the frequency reduction point of the central processor for different operation modes to keep the electronic products optimal. Processing performance.

In view of this, the present invention provides a performance control device suitable for a host, including: a central processing unit, a first sensor, and a second sense Detector. The central processor operates at a first frequency and switches to a second frequency according to a first temperature signal and a second temperature signal, wherein the second frequency is less than the first frequency. The first sensor detects the temperature of the central processor to emit the first temperature signal. The second sensor detects the temperature of the host and sends the second temperature signal to the central processor.

According to an embodiment of the present invention, when the first sensor detects that the temperature of the central processor does not exceed a first threshold temperature, the central processor operates on the first according to the first temperature signal. frequency.

According to an embodiment of the present invention, when the first sensor detects that the temperature of the central processing unit exceeds the first threshold temperature, the central processor switches to the second frequency according to the first temperature signal. .

According to an embodiment of the present invention, the second sensor is configured to detect a temperature of a power management module of the host, and when the second sensor detects that the temperature of the power management module exceeds a second When the temperature is limited, the central processor determines that the host operates in a charging mode according to the second temperature signal.

According to an embodiment of the present invention, when the host operates in the charging mode and the first sensor detects that the temperature of the central processing unit does not exceed a third threshold temperature, the central processor operates on the foregoing a frequency, wherein when the host operates in the charging mode and the first sensor detects that the temperature of the central processor exceeds the third threshold temperature, the central processor switches to the second frequency, wherein the The third threshold temperature is higher than the first threshold temperature.

The invention further proposes a performance control method suitable for a master The machine includes: detecting a temperature of a central processor by using a first sensor to generate a first temperature signal; detecting a temperature of the host by using a second sensor to generate a second temperature signal; And determining whether to perform a down-converting operation on the central processing unit according to the first temperature signal and the second temperature signal.

According to an embodiment of the present invention, the step of determining whether to perform the down-converting operation on the central processing unit includes: when detecting that the temperature of the central processing unit does not exceed a first threshold temperature, the central processing unit is not Perform the above-mentioned frequency reduction action.

According to an embodiment of the present invention, the step of determining whether to perform the down-converting operation on the central processing unit includes: when detecting that the temperature of the central processing unit exceeds the first threshold temperature, performing the central processing unit The above-mentioned frequency reduction action.

According to an embodiment of the present invention, the performance control method further includes: detecting, by the second sensor, a temperature of a power management module of the host; determining whether the temperature of the power management module exceeds a second threshold temperature And determining that the host operates in a charging mode when the temperature of the power management module exceeds the second threshold temperature.

According to an embodiment of the present invention, the step of determining that the host operates in the charging mode comprises: performing the down-clocking on the central processor when detecting that the temperature of the central processing unit does not exceed a third threshold temperature And performing, when the temperature of the central processing unit exceeds the third threshold temperature, performing the frequency reduction operation on the central processing unit, wherein the third threshold temperature is higher than the first threshold temperature.

10, 20‧‧‧ host

100, 200‧‧‧ performance control device

101, 201‧‧‧ central processor

102, 202‧‧‧ first sensor

103, 203‧‧‧ second sensor

210‧‧‧Power Management Module

ST1‧‧‧ first temperature signal

ST2‧‧‧Second temperature signal

S1~S7‧‧‧ Process steps

1 is a block diagram showing a performance control device according to an embodiment of the present invention; and FIG. 2 is a block diagram showing a performance control device according to another embodiment of the present invention; and FIG. A flowchart of a method of performance control according to an embodiment of the present invention is shown.

The above described objects, features, and advantages of the present invention will become more apparent from the description of the appended claims appended claims A good example. It is to be understood that the invention is not limited to the scope of the invention.

1 is a block diagram showing a performance control device according to an embodiment of the present invention. As shown in FIG. 1, the performance control device 100 includes a central processing unit 101, a first sensor 102, and a second sensor 103, wherein the performance control device 100 is located in the host 10. According to an embodiment of the invention, the host 10 can be any type of handheld mobile electronic device, including various handheld mobile electronic devices not currently available.

According to an embodiment of the present invention, the central processing unit 101 operates on the first A frequency for performing the actions that the host 10 needs to perform. The first sensor 102 detects the temperature of the central processing unit 101 to generate a first temperature signal ST1, and the second sensor 103 detects the temperature of the host 10 to issue a second temperature signal ST2.

According to an embodiment of the invention, the first sensor 102 is located in the same package as the central processing unit 101 for detecting the temperature of the central processing unit 101; according to another embodiment of the present invention, the first sensor The 102 is located outside the package of the central processing unit 101 for detecting the ambient temperature caused by the central processing unit 101.

According to an embodiment of the present invention, when the first sensor 102 detects that the temperature of the central processing unit 101 exceeds the first threshold temperature, the first temperature signal ST1 is sent to the central processing unit 101, and the central processing unit 101 is The first temperature signal ST1 performs a frequency down operation. That is, the central processing 101 originally operates at the first frequency, and when it is determined that the temperature exceeds the first threshold temperature according to the first temperature signal ST1, the first frequency is switched to the second frequency, wherein the first frequency is greater than the second frequency .

According to an embodiment of the invention, the first threshold temperature is 80 degrees Celsius, and when the central processing unit 101 exceeds 80 degrees, the surface temperature of the host 10 exceeds a preset value, which may cause deterioration of user experience. Since the temperature of the central processing unit 101 is increased after the CPU 101 is operated for a period of time, the surface temperature of the host 10 is also increased, and the surface temperature of the host 10 is too high, which may cause the user to use the host 10. Getting worse.

According to an embodiment of the present invention, in order to enhance the user's experience with the host 10, the central processor 101 is down-converted to reduce the surface temperature of the host 10, that is, from the first frequency of the original operation to the second operation. Frequency to reduce the performance of the central processor 101 for better users experience. According to an embodiment of the present invention, when the temperature of the central processing unit 101 falls to a normal level, or when the surface temperature of the host 10 is lower than the body temperature, the central processing unit 101 switches the operating frequency back to the original first frequency.

According to another embodiment of the present invention, the threshold temperature of the down-conversion of the central processing unit 101 can also be dynamically adjusted. The second sensor 103 is configured to detect the temperature of the host 10 and issue a second temperature signal ST2. When the second sensor 103 detects that the temperature of the host 10 exceeds the second threshold temperature, the second sensor 103 sends a second temperature signal ST2 to the central processing unit 101, and the central processing unit 101 according to the second temperature signal ST2. It is determined that the host 10 is operating in an operational state and increases the first threshold temperature to a third threshold temperature.

Figure 2 is a block diagram showing a performance control device according to another embodiment of the present invention. As shown in FIG. 2, the performance control device 200 is located in the host 20 and includes a central processing unit 201, a first sensor 202, and a second sensor 203. According to an embodiment of the present invention, the host 20 can be any type of handheld mobile electronic device, including various handheld mobile electronic devices not currently available.

In accordance with an embodiment of the present invention, central processor 201 operates at a first frequency for performing the actions that host 20 is required to perform. The first sensor 202 detects the temperature of the central processing unit 201 to generate a first temperature signal ST1, and the second sensor 203 detects the temperature of the power management module 210 of the host 20 to issue a second temperature signal ST2.

According to an embodiment of the invention, the first sensor 202 is located in the same package as the central processing unit 201 for detecting the temperature of the central processing unit 201; according to another embodiment of the present invention, the first sensor 202 is located in the central processor The outer side of the package 201 is used to detect the ambient temperature caused by the central processing unit 201.

According to an embodiment of the invention, the second sensor 203 is located in the same package as the power management module 210 for detecting the temperature of the power management module 210. According to another embodiment of the present invention, the second sensor 203 is located outside the package of the power management module 210 for detecting the ambient temperature caused by the power management module 210.

According to an embodiment of the present invention, when the second sensor 203 detects that the temperature of the power management module 210 does not exceed the second threshold temperature, the central processing unit 201 connects the central processing unit 201 according to the second temperature signal ST2. The threshold temperature of the down frequency is set to the first threshold temperature. That is, when the first sensor 202 detects that the temperature of the central processing unit 201 exceeds the first threshold temperature, the down-converting action is performed on the central processing unit 201.

According to another embodiment of the present invention, when the second sensor 203 detects that the temperature of the power management module 210 exceeds the second threshold temperature, the central processing unit 201 determines that the host 20 operates according to the second temperature signal ST2. The charging mode, and the threshold temperature of the frequency reduction of the central processing unit 201 is raised from the first threshold temperature to the third threshold temperature. That is, when the central processing unit 201 determines that the host 20 is operating in the charging mode, the central processing unit 201 increases the threshold temperature of the down frequency from the first threshold temperature to the third threshold temperature, so that the central processing unit 201 can maintain Higher work efficiency.

According to an embodiment of the invention, the first threshold temperature is 80 degrees Celsius, the second threshold temperature is 50 degrees Celsius, and the third threshold temperature is 90 degrees. The invention is not limited thereto in any way.

When the central processing unit 201 knows that the temperature of the power management module 210 does not exceed 50 degrees Celsius according to the second temperature signal ST2, the central processing unit 201 determines that the host 20 is not currently operating in the charging mode. Therefore, the central processing unit 201 uses the temperature of 80 degrees Celsius as the threshold temperature for down-conversion. That is, when the central processing unit 201 knows that the temperature of the central processing unit 201 exceeds 80 degrees Celsius according to the first temperature signal ST1, the central processing unit 201 then performs a frequency down action, that is, switches the first frequency of the original operation to the second. Frequency, wherein the first frequency is greater than the second frequency.

When the central processing unit 201 knows that the temperature of the power management module 210 exceeds 50 degrees Celsius according to the second temperature signal ST2, the representative host 20 is currently operating in the charging mode. When the central processing unit 201 determines that the host 20 is operating in the charging mode, the central processor 201 then increases the threshold temperature of the frequency reduction from 80 degrees Celsius to 90 degrees Celsius, that is, when the temperature of the central processing unit 201 exceeds 90 degrees Celsius. At this time, the central processing unit 201 performs the down-converting action.

Since the host 20 is operating in the charging mode, the user can accept a higher surface temperature of the host 20. Therefore, when the host 20 is operating in the charging mode, the threshold temperature of the down frequency of the central processing unit 201 can be adjusted, so that the central processing unit 201 can maintain a fixed performance when the host 20 operates in the charging mode.

Figure 3 is a flow chart showing a method of performance control according to an embodiment of the present invention. In the following description, the block diagram of Fig. 1 will be described in detail. First, the temperature of the central processing unit 101 is detected by the first sensor 102 of FIG. 1 (step S1), and the first temperature signal ST1 is issued.

Next, the second sensor 103 of FIG. 1 detects the temperature of the host 10 (step S2), and issues a second temperature signal ST2. The central processing unit 101 determines, according to the second temperature signal ST2, whether the host 10 is operating in the charging mode (step S3). According to an embodiment of the present invention, the second sensor 203 of FIG. 2 can be used to detect the temperature of the power management module 210 of the host 20, and according to the temperature of the power management module 210, determine whether the host 20 is operating for charging. mode.

When it is judged that the host 10 is not operating in the charging mode, the central processing unit 101 maintains the same down-conversion threshold temperature (step S4). That is, the central processing unit 101 also performs a down-conversion operation depending on whether the temperature of the central processing unit 101 exceeds the first threshold temperature. When it is judged that the host 10 is operating in the charging mode, the central processing unit 101 increases the threshold temperature of the down frequency (step S5). That is, the central processor 101 raises the threshold temperature of the original down frequency from the first threshold temperature to the third threshold temperature.

Next, the central processing unit 101 determines whether the temperature of the central processing unit 101 exceeds the threshold temperature of the down-conversion (step S6), wherein the threshold temperature of the down-conversion is one of the first threshold temperature and the third threshold temperature. When it is judged that the temperature of the central processing unit 101 exceeds the threshold temperature of the down-conversion, the frequency reduction operation is performed on the central processing unit 101 (step S7) to lower the temperature of the central processing unit 101, thereby lowering the surface temperature of the host computer 10.

The features of many embodiments are described above to enable those of ordinary skill in the art to clearly understand the form of the specification. Those having ordinary skill in the art will appreciate that the objectives of the above-described embodiments and/or advantages consistent with the above-described embodiments can be accomplished by designing or modifying other processes and structures based on the present disclosure. It is also to be understood by those skilled in the art that <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt;

10‧‧‧Host

100‧‧‧performance control device

101‧‧‧Central Processing Unit

102‧‧‧first sensor

103‧‧‧Second sensor

ST1‧‧‧ first temperature signal

ST2‧‧‧Second temperature signal

Claims (10)

A performance control device is applicable to a host, comprising: a central processing unit, operating at a first frequency, and switching to a second frequency according to a first temperature signal and a second temperature signal, wherein the second The frequency is less than the first frequency; a first sensor detects the temperature of the central processor to generate the first temperature signal; and a second sensor detects the temperature of the host to emit the second temperature Signal to the above central processor. The performance control device of claim 1, wherein when the first sensor detects that the temperature of the central processor does not exceed a first threshold temperature, the central processor is configured according to the first temperature The signal operates at the first frequency described above. The performance control device of claim 2, wherein when the first sensor detects that the temperature of the central processor exceeds the first threshold temperature, the central processor is configured according to the first temperature signal. , switch to the above second frequency. The performance control device of claim 3, wherein the second sensor is configured to detect a temperature of a power management module of the host, and when the second sensor detects the power management module When the temperature exceeds a second threshold temperature, the central processor determines that the host operates in a charging mode according to the second temperature signal. The performance control device of claim 4, wherein when the host operates in the charging mode and the first sensor detects the above When the temperature of the central processing unit does not exceed a third threshold temperature, the central processor operates at the first frequency, wherein when the host operates in the charging mode and the first sensor detects the central processor When the temperature exceeds the third threshold temperature, the central processor switches to the second frequency, wherein the third threshold temperature is higher than the first threshold temperature. A performance control method is applicable to a host, comprising: detecting a temperature of a central processor by using a first sensor to generate a first temperature signal; and detecting a temperature of the host by using a second sensor And generating a second temperature signal; and determining whether to perform a frequency down operation on the central processor according to the first temperature signal and the second temperature signal. The method of claim 2, wherein the step of determining whether to perform the down-converting operation on the central processing unit comprises: detecting that the temperature of the central processing unit does not exceed a first threshold temperature At the time, the above-mentioned CPU is not subjected to the above-described down-conversion operation. The method for controlling the performance of claim 7, wherein the step of determining whether to perform the down-converting operation on the central processing unit comprises: when detecting that the temperature of the central processing unit exceeds the first threshold temperature Performing the above-described frequency reduction operation on the central processing unit. The method for controlling the performance of the method of claim 8 further includes: detecting, by using the second sensor, a temperature of a power management module of the host; Determining whether the temperature of the power management module exceeds a second threshold temperature; and when the temperature of the power management module exceeds the second threshold temperature, determining that the host operates in a charging mode. The method of claim 9, wherein the step of determining that the host operates in the charging mode comprises: when detecting that the temperature of the central processing unit does not exceed a third threshold temperature, The central processing unit performs the frequency reduction operation; and when detecting that the temperature of the central processing unit exceeds the third threshold temperature, performing the frequency reduction operation on the central processing unit, wherein the third threshold temperature is higher than the foregoing First threshold temperature.