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Device and method for determining floating point computing performance

A floating-point computing, floating-point technology, applied in computing, instrumentation, electrical and digital data processing, etc., to achieve accurate results

Active Publication Date: 2012-07-18
BEIJING PARATERA TECH
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Problems solved by technology

[0004] At present, there is no device and method that can accurately and timely count the Gflops data of the CPU in the computer. Existing industry users usually calculate the overall computing power of the application based on the calculation scale and data volume of their own application. Then deduce the Gflops value of each computing node or single CPU core in the system on the computer according to the execution time

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  • Device and method for determining floating point computing performance
  • Device and method for determining floating point computing performance
  • Device and method for determining floating point computing performance

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] figure 1 A block diagram of the device 100 for determining the floating-point operation performance of the computing unit 200 according to an embodiment of the present invention is schematically shown. Such as figure 1 As shown, the device 100 includes a floating-point micro-operation statistics unit 110 and a performance calculation unit 120 .

[0020] The floating-point micro-operation statistics unit 110 is coupled to the computing unit 200 so as to obtain the numbers of various floating-point micro-operations in the computing unit from the computing unit 200 . As mentioned above, the calculation unit 200 (hereinafter, the central processing unit (CPU) commonly used in modern computers is used as an example for illustration, however, the calculation unit faced by the present invention is not limited to the central processing unit, o...

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Abstract

The invention discloses a method for determining the floating point computing performance of a computing unit, which comprises the following steps of: acquiring the number of various floating point microoperations in the computing unit in a time period; and on the basis of the number of various floating point microoperations and the length of the time period, determining the floating point computing performance of the computing unit, wherein various floating point microoperations comprise the following types of floating point microoperations: an X87 command type floating point microoperation, an MMX command type floating point microoperation and an SSE command type floating point microoperation. The invention also discloses corresponding equipment for determining the floating point computing performance of the computing unit.

Description

technical field [0001] The invention relates to the field of performance analysis of a computer system, in particular to a device and a method for determining the performance of a computer system's CPU. Background technique [0002] The central processing unit (Central Processing Unit, hereinafter referred to as CPU) is one of the most important devices in a computer. Its main function is to interpret computer instructions and process data in computer software. Due to the important position of the CPU in the entire electronic computer system, its computing power and execution speed have become the indicators that people care about. A very important index to measure the CPU computing performance of a computer system is the computing peak or floating-point computing peak, which refers to the maximum number of floating-point computing that a computer can complete within a unit of time. [0003] A measure of the ability of a computer to perform floating-point calculations is fl...

Claims

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Application Information

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IPC IPC(8): G06F7/57
Inventor 不公告发明人
Owner BEIJING PARATERA TECH
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