A method for processor startup
A processor and processing unit technology, applied in the direction of data processing power supply, program control device, boot program, etc., can solve the problems of increasing the cost of the data center and the inability to further reduce the power consumption of the data center.
Active Publication Date: 2018-08-28
SHANGHAI XINCHU INTEGRATED CIRCUIT
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Problems solved by technology
The rotation of the fan is driven by the motor, so the motor will also bring a certain amount of heat when driving the fan. Therefore, for the cabinets in the data center, air conditioners are needed to cool the cabinets, and the air conditioners in the cabinets will cool down at the same time. Dissipate heat, so the entire room where the cabinet is placed also needs to be cooled, which will increase the cost of the data center, so even if the processor uses DVFS technology to reduce the operating voltage and frequency of the processor, it will reduce the server to a certain extent. Power consumption, but can not further reduce the power consumption of the data center
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[0045] The present invention will be further described below in conjunction with the drawings and specific embodiments, but it is not intended as a limitation of the present invention.
[0046] The present invention proposes a method for starting a processor, which can be applied to a server provided with a processing unit structure (such as a server in a data center), as shown in the attached figure 2 As shown, the above-mentioned processing unit structure includes: a processor chip; a non-volatile memory; a memory connected to the processor chip, and the memory is also connected to an off-chip memory; when the processor chip enters the ultra-low power consumption mode , when exiting the ultra-low power consumption mode, the processor chip directly reads data from the non-volatile memory, so that the processor in the server starts immediately. When the processor chip reads the data stored in the off-chip memory, the off-chip memory imports the data into the non-volatile memo...
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The invention relates to the technical field of integrated circuits, and especially relates to a method for starting a processor. In the method, a processor in a server is used to directly read data from a nonvolatile storage and / or an on-chip cache and / or off-chip cache, and carrying data from an off-chip storage to internal storage and then carrying the data to cache from the internal storage is not needed, so that the processor in the server can start up immediately. When a server is in a low power consumption mode, speed of a fan which is overlaid on the processor chip in the server can be reduced or the fan can be shut down, and power consumption of the server is reduced. When temperature of the nonvolatile storage exceeds temperature warning standard arranged in a temperature sensor, the nonvolatile storage would be shut down to ensure the server and a whole data center to normally operate, preventing conditions of failure of the server and the whole data center caused by excessive temperature of the nonvolatile storage when operation of the fan is abnormal.
Description
technical field [0001] The invention relates to the technical field of integrated circuits, in particular to a method for starting a processor. Background technique [0002] With the development of integrated circuit technology, the current chip has been implemented on more and more advanced process nodes, that is, the performance of the chip is getting higher and higher, and the operating frequency of the chip is also relatively high, so the power consumption of the chip is relatively large, but Not all applications require the chip to work in its highest performance mode, nor does the chip need the highest performance all the time. Therefore, in order to reduce the power consumption of the chip, a dynamic voltage and frequency scaling (Dynamic Voltage and Frequency Scaling, DVFS for short) technology emerges as the times require. DVFS technology dynamically adjusts the operating voltage and operating frequency of the chip according to the different needs of the computing ...
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IPC IPC(8): G06F9/4401G06F1/32
Inventor 景蔚亮陈邦明
Owner SHANGHAI XINCHU INTEGRATED CIRCUIT