CN112486754B - Programmable GPU (graphics processing Unit) simulation and test system and method - Google Patents
Programmable GPU (graphics processing Unit) simulation and test system and method Download PDFInfo
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Abstract
The invention provides a programmable GPU simulation and test system and a method thereof, wherein the system comprises a customized shell, a minimum hardware module and a plurality of extensible power consumption modules are arranged in the customized shell; the minimum hardware module comprises a control module, the control module is connected with a storage module, a communication module and a first PCIE analog connection port, the communication module is connected with a second PCIE analog connection port, the communication module is connected with a PCIE interface of the mainboard through the first PCIE analog connection port, and the control module is connected with the extensible power consumption module through the second PCIE analog connection port; the control module is used for analyzing and regulating the simulation load of the whole GPU simulation and test system; the storage module is used for storing the load regulation and control strategy loaded at the server end or the PC end; and the communication module is used for being connected with a PCIE interface of the mainboard and is responsible for receiving server information and communication, or is connected to a port of a PC end and is communicated with a PC upper computer.
Description
Technical Field
The invention belongs to the technical field of server testing, and particularly relates to a programmable GPU (graphics processing unit) simulation and testing system and method.
Background
In the power consumption test of a server, for example, the power consumption test of a GPU component is often encountered, the conventional GPU test usually needs to purchase a GPU component with a corresponding version model, the GPU component is usually updated and updated quickly, the power consumption difference of GPUs with different models is obvious, meanwhile, the component has high value and is easy to damage, inconvenient coordination and long-time occupation and power consumption test are inconvenient, the performance of some GPU specific components does not need to be tested actually, the conventional test mode has high cost, the occupied time of test resources is long, and the project delay and the test cost are aggravated.
Therefore, it is desirable to provide a programmable GPU simulation and test system and method for solving the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention provides a programmable GPU simulation and test system and method, aiming at the defects that in the prior art, the cost of a test mode is high, the occupied time of test resources is long and further the project delay and the test cost are aggravated due to the adoption of a GPU component in the power consumption test of the prior server, and the technical problems are solved.
In a first aspect, the invention provides a programmable GPU simulation and test system, comprising a customized case, wherein a minimum hardware module and a plurality of extensible power consumption modules are arranged in the customized case;
the minimum hardware module comprises a control module, the control module is connected with a storage module, a communication module and a first PCIE analog connection port, the communication module is connected with a second PCIE analog connection port, the communication module is connected with a PCIE interface of the mainboard through the first PCIE analog connection port, and the control module is connected with the extensible power consumption module through the communication module and the second PCIE analog connection port;
the control module is used for analyzing and regulating the simulation load, information acquisition, information processing and power consumption regulation and control strategy change of the whole GPU simulation and test system;
the storage module is used for storing the load regulation and control strategy loaded at the server end or the PC end;
the communication module is used for being connected with a PCIE interface of the mainboard through a first PCIE analog connection port and is responsible for receiving server information and communication, or is connected to a port of a PC end and is communicated with a PC upper computer;
and the second PCIE analog connection port is used for connecting and regulating the extensible power consumption module to realize adjustable analog load.
Furthermore, the control module adopts a processing chip of an ARM core.
Furthermore, the storage module adopts an independent external storage chip.
Further, the communication module adopts an I2C communication mode.
In a second aspect, the present invention provides a programmable GPU simulation and test method, comprising the steps of:
s1, formulating an acquisition simulation scheme according to a required test item and a test requirement, and then carrying out simulation information acquisition on the GPU to be simulated according to the acquisition simulation scheme to acquire the actual power consumption and the actual heat dissipation capacity of the GPU to be simulated;
s2, selecting an extensible power consumption module and determining a customized shell according to the actual power consumption and the power consumption regulation strategy of the GPU to be simulated, designing an air channel between the customized shell of the GPU to be simulated and the extensible power consumption module and the minimum hardware module according to the actual heat dissipation capacity of the GPU to be simulated, and generating a GPU simulation and test system;
and S3, comparing the power consumption and heat dissipation condition differences of the GPU simulation and test system and the GPU to be simulated, and correcting the GPU simulation and test system.
Further, the step S1 specifically includes the following steps:
s11, formulating an acquisition simulation scheme according to a required test item and a test requirement, and setting an acquisition time interval, an acquisition tool, acquisition parameters and acquisition times N, wherein the acquisition parameters comprise a current condition, a power consumption condition, a temperature condition, a heat dissipation condition and a temperature distribution condition of each GPU component to be simulated under a certain working condition;
s12, generating a power consumption change curve for N groups of data of current and power consumption conditions of each part of the GPU to be simulated under a certain working condition, determining a change strategy, a transient model of power consumption, a maximum power consumption parameter and a dynamic change rate, and establishing a power consumption curve model;
s13, constructing a heat dissipation model for N groups of data of temperature, heat dissipation conditions and temperature distribution conditions of each part of the GPU to be simulated under a certain working condition, and formulating the maximum temperature and the worst temperature distribution condition of the GPU to be simulated in the working condition.
Further, the step S2 specifically includes the following steps:
s21, making a power consumption regulation and control strategy according to a power consumption curve model of each part of the GPU to be simulated;
s22, selecting an extensible power consumption module according to the peak power consumption of the power consumption curve model of each part of the GPU to be simulated, and adjusting the selected extensible power consumption module according to a power consumption adjusting strategy;
s23, selecting a customized shell shape similar to the shape of the GPU to be simulated according to the power consumption state of each part of the GPU to be simulated, and meeting the structural requirements;
and S24, adjusting the material of the customized shell according to the actual heat dissipation capacity of the GPU to be simulated and the selected customized shell shape, designing an air channel between the customized shell of the GPU to be simulated and the expandable power consumption module and the minimum hardware module, and generating a GPU simulation and test system.
Further, the power consumption adjustment policy in step S21 may be downloaded from the server side or the PC side.
Further, the step S22 specifically includes the following steps:
s221, selecting maximum power consumption configuration according to peak power consumption of a power consumption curve model of each part of the GPU to be simulated;
s222, selecting an extensible power consumption module according to the selected maximum power consumption configuration;
s223, adjusting the proportion of the RC module and the RR module of the extensible power consumption module according to the power consumption adjustment strategy;
s224, adjusting the conduction quantity of the power tube in the extensible power consumption module according to a power consumption adjusting strategy, so that the power tube adjusts load current and the short circuit of the analog load according to the load voltage and adjusts the sensitivity, the capacitance and the resistance of the analog load, and the model fitting of the analog power consumption and the power consumption is realized.
Further, the collecting tool in step S11 adopts a power meter and a current testing device;
in step S224, the power transistor is a MOSFET or a transistor.
The beneficial effect of the invention is that,
the programmable GPU simulation and test system and method provided by the invention realize that the GPU simulation and test system is used as a test fixture to replace the field needing to be matched with a GPU for complete machine test and regulation, and the real GPU component is wirelessly matched, so that the test cost is greatly saved, long-time pressure test needing the GPU for power consumption test is realized, and the loss of important GPU components is avoided.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a first schematic flow chart of the method of the present invention;
FIG. 3 is a second schematic flow chart of the method of the present invention;
in the figure, 1-a customized housing; 2-a minimal hardware module; 2.1-a control module; 2.2-a storage module; 2.3-communication module; 2.4-a first PCIE analog connection port; 2.5-a second PCIE analog connection port; 3-a scalable power consumption module; 4, a main board; 4.1-PCIE interface.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the present invention provides a programmable GPU simulation and test system, which includes a customized case 1, wherein a minimum hardware module 2 and a plurality of scalable power consumption modules 3 are disposed in the customized case 1;
the minimum hardware module 1 comprises a control module 2.1, the control module 2.1 is connected with a storage module 2.2, a communication module 2.3 and a first PCIE analog connection port 2.4, the communication module 2.3 is connected with a second PCIE analog connection port 2.5, the communication module 2.3 is connected with a PCIE interface 4.1 of the mainboard 4 through the first PCIE analog connection port 2.4, and the control module 2.1 is connected with an expandable power consumption module 3 through the second PCIE analog connection port 2.5;
the control module 2.1 is used for analyzing and regulating the changes of the simulation load, the information acquisition, the information processing and the power consumption regulation and control strategy of the whole GPU simulation and test system;
the storage module 2.2 is used for storing the load regulation and control strategy loaded at the server end or the PC end;
the communication module 2.3 is used for being connected with a PCIE interface 4.1 of the mainboard 4 through a first PCIE analog connection port 2.4 and is responsible for receiving server information and communication, or is connected to a port of a PC end and is communicated with a PC upper computer;
and the second PCIE analog connection port 2.5 is used for connecting and regulating the extensible power consumption module 3 to realize adjustable analog load.
In some embodiments, the control module employs a processing chip of an ARM core.
In some embodiments, the memory module is an independent external memory chip.
In some embodiments, the communication module uses I2C communication.
Example 2:
as shown in fig. 2, the present invention provides a programmable GPU simulation and test method, comprising the following steps:
s1, formulating an acquisition simulation scheme according to a required test item and a test requirement, and then carrying out simulation information acquisition on the GPU to be simulated according to the acquisition simulation scheme to acquire the actual power consumption and the actual heat dissipation capacity of the GPU to be simulated;
s2, selecting an extensible power consumption module and determining a customized shell according to the actual power consumption and the power consumption regulation strategy of the GPU to be simulated, designing an air channel between the customized shell of the GPU to be simulated and the extensible power consumption module and the minimum hardware module according to the actual heat dissipation capacity of the GPU to be simulated, and generating a GPU simulation and test system;
and S3, comparing the power consumption and heat dissipation condition differences of the GPU simulation and test system and the GPU to be simulated, and correcting the GPU simulation and test system.
Example 3:
as shown in fig. 3, the present invention provides a programmable GPU simulation and test method, comprising the following steps:
s1, formulating an acquisition simulation scheme according to a required test item and a test requirement, and then carrying out simulation information acquisition on the GPU to be simulated according to the acquisition simulation scheme to acquire the actual power consumption and the actual heat dissipation capacity of the GPU to be simulated; the method comprises the following specific steps:
s11, formulating an acquisition simulation scheme according to items to be tested and test requirements, and setting acquisition time intervals, acquisition tools, acquisition parameters and acquisition times N, wherein the acquisition parameters comprise current conditions, power consumption conditions, temperature conditions, heat dissipation conditions and temperature distribution conditions of each part of the GPU to be simulated under a certain working condition; the acquisition time interval can be set to 1 ms;
s12, generating a power consumption change curve for N groups of data of current and power consumption conditions of each part of the GPU to be simulated under a certain working condition, determining a change strategy, a transient model of power consumption, a maximum power consumption parameter and a dynamic change rate, and establishing a power consumption curve model;
s13, constructing a heat dissipation model for N groups of data of temperature, heat dissipation conditions and temperature distribution conditions of each part of the GPU to be simulated under a certain working condition, and formulating the maximum temperature and the worst temperature distribution condition of the GPU to be simulated in the working condition;
s2, selecting an extensible power consumption module and determining a customized shell according to the actual power consumption and the power consumption regulation strategy of the GPU to be simulated, designing an air channel between the customized shell of the GPU to be simulated and the extensible power consumption module and the minimum hardware module according to the actual heat dissipation capacity of the GPU to be simulated, and generating a GPU simulation and test system; the method comprises the following specific steps:
s21, making a power consumption regulation and control strategy according to a power consumption curve model of each part of the GPU to be simulated;
s22, selecting an extensible power consumption module according to the peak power consumption of the power consumption curve model of each part of the GPU to be simulated, and adjusting the selected extensible power consumption module according to a power consumption adjusting strategy;
s23, selecting a customized shell shape similar to the shape of the GPU to be simulated according to the power consumption state of each part of the GPU to be simulated, and meeting the structural requirement;
s24, adjusting the material of the customized shell according to the actual heat dissipation capacity of the GPU to be simulated and the selected customized shell shape, designing an air channel between the customized shell of the GPU to be simulated and the expandable power consumption module and the minimum hardware module, and generating a GPU simulation and test system;
and S3, comparing the power consumption and heat dissipation condition differences of the GPU simulation and test system and the GPU to be simulated, and correcting the GPU simulation and test system.
In the above embodiment, the modified GPU simulation and test system is used as a final simulation test fixture for small batch or multi-field tests, so as to implement small batch generation application according to the completed simulation test fixture, and be used for simulation condition tests in other fields of non-GPU single body tests, for example: the design in the heat dissipation field mainly aims at the regulation and control of a fan and the test of the heat dissipation condition of the whole server, a plurality of machines are required to perform long-time data pressure test and information acquisition in the test, the occupied resources are more, the GPU simulation and test system serving as a simulation jig can replace a GPU component, the power consumption and the heat dissipation condition under the same condition are realized, and the sensitivity to the specific performance of the GPU is low. For example, in the ACV field (power supply compatibility and power consumption test field), the test on the power consumption of the whole power supply and the long-time stability pressure test have no requirements on the performance of specific components of the GPU, and as long as the system power supply is satisfied, the dynamic performance and the power consumption performance of the power supply can be tested.
In some embodiments, the power consumption adjustment policy in step S21 may be downloaded from the server side or the PC side;
in the step S11, the acquisition tool adopts a power meter and a current testing device;
in step S224, the power transistor is a MOSFET or a transistor.
In some embodiments, step S22 includes the following steps:
s221, selecting maximum power consumption configuration according to peak power consumption of a power consumption curve model of each part of the GPU to be simulated;
s222, selecting an extensible power consumption module according to the selected maximum power consumption configuration;
s223, adjusting the proportion of the RC module and the RR module of the extensible power consumption module according to the power consumption adjustment strategy;
s224, adjusting the conduction quantity of the power tube in the extensible power consumption module according to a power consumption adjusting strategy, so that the power tube adjusts load current and the short circuit of the analog load according to the load voltage and adjusts the sensitivity, the capacitance and the resistance of the analog load, and the model fitting of the analog power consumption and the power consumption is realized.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A programmable GPU simulation and test system is characterized by comprising a customized shell, wherein a minimum hardware module and a plurality of extensible power consumption modules are arranged in the customized shell;
the minimum hardware module comprises a control module, the control module is connected with a storage module, a communication module and a first PCIE analog connection port, the communication module is connected with a second PCIE analog connection port, the communication module is connected with a PCIE interface of the mainboard through the first PCIE analog connection port, and the control module is connected with the extensible power consumption module through the communication module and the second PCIE analog connection port;
the control module is used for analyzing and regulating the changes of the simulation load, the information acquisition, the information processing and the power consumption regulation and control strategy of the whole GPU simulation and test system;
the storage module is used for storing the load regulation and control strategy loaded at the server end or the PC end;
the communication module is used for being connected with a PCIE interface of the mainboard through a first PCIE analog connection port and is responsible for receiving server information and communication, or is connected to a port of a PC end and is communicated with a PC upper computer;
and the second PCIE analog connection port is used for connecting and regulating the extensible power consumption module to realize adjustable analog load.
2. The programmable GPU simulation and test system of claim 1, wherein the control module employs a processing chip of an ARM core.
3. The programmable GPU simulation and test system of claim 1, wherein the memory module is implemented as a separate external memory chip.
4. The programmable GPU simulation and test system of claim 1, wherein the communication module communicates using I2C.
5. A programmable GPU simulation and test method is characterized by comprising the following steps:
s1, formulating an acquisition simulation scheme according to a required test item and a test requirement, and then carrying out simulation information acquisition on the GPU to be simulated according to the acquisition simulation scheme to acquire the actual power consumption and the actual heat dissipation capacity of the GPU to be simulated;
s2, selecting an extensible power consumption module and determining a customized shell according to the actual power consumption and the power consumption regulation strategy of the GPU to be simulated, designing an air channel between the customized shell of the GPU to be simulated and the extensible power consumption module and the minimum hardware module according to the actual heat dissipation capacity of the GPU to be simulated, and generating a GPU simulation and test system;
and S3, comparing the power consumption and heat dissipation condition differences of the GPU simulation and test system and the GPU to be simulated, and correcting the GPU simulation and test system.
6. The programmable GPU simulation and testing method of claim 5, wherein step S1 comprises the following steps:
s11, formulating an acquisition simulation scheme according to a required test item and a test requirement, and setting an acquisition time interval, an acquisition tool, acquisition parameters and acquisition times N, wherein the acquisition parameters comprise a current condition, a power consumption condition, a temperature condition, a heat dissipation condition and a temperature distribution condition of each GPU component to be simulated under a certain working condition;
s12, generating a power consumption change curve for N groups of data of current and power consumption conditions of each part of the GPU to be simulated under a certain working condition, determining a change strategy, a transient model of power consumption, a maximum power consumption parameter and a dynamic change rate, and establishing a power consumption curve model;
s13, constructing a heat dissipation model for N groups of data of temperature, heat dissipation conditions and temperature distribution conditions of each part of the GPU to be simulated under a certain working condition, and formulating the maximum temperature and the worst temperature distribution condition of the GPU to be simulated in the working condition.
7. The programmable GPU simulation and testing method of claim 6, wherein step S2 comprises the following steps:
s21, making a power consumption regulation and control strategy according to a power consumption curve model of each part of the GPU to be simulated;
s22, selecting an extensible power consumption module according to the peak power consumption of the power consumption curve model of each part of the GPU to be simulated, and adjusting the selected extensible power consumption module according to a power consumption adjusting strategy;
s23, selecting a customized shell shape similar to the shape of the GPU to be simulated according to the power consumption state of each part of the GPU to be simulated, and meeting the structural requirement;
and S24, adjusting the material of the customized shell according to the actual heat dissipation capacity of the GPU to be simulated and the selected customized shell shape, designing an air channel between the customized shell of the GPU to be simulated and the expandable power consumption module and the minimum hardware module, and generating a GPU simulation and test system.
8. The programmable GPU simulation and testing method of claim 7, wherein the power consumption adjustment policy of step S21 is downloadable from a server side or a PC side.
9. The programmable GPU simulation and testing method of claim 7, wherein step S22 comprises the following steps:
s221, selecting maximum power consumption configuration according to peak power consumption of a power consumption curve model of each part of the GPU to be simulated;
s222, selecting an extensible power consumption module according to the selected maximum power consumption configuration;
s223, adjusting the proportion of the RC module and the RR module of the extensible power consumption module according to the power consumption adjustment strategy;
s224, adjusting the conduction quantity of the power tube in the extensible power consumption module according to a power consumption adjusting strategy, so that the power tube adjusts load current and the short circuit of the analog load according to the load voltage and adjusts the sensitivity, the capacitance and the resistance of the analog load, and the model fitting of the analog power consumption and the power consumption is realized.
10. The programmable GPU simulation and testing method of claim 9, wherein the collection tool in step S11 employs a power meter and a current testing device;
in step S224, the power transistor is a MOSFET or a transistor.
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