Data reading method and device based on huge page mapping
A technology of data reading and page mapping, which is applied in the direction of electrical digital data processing, instruments, calculations, etc., can solve the problems of low reading efficiency of matrix blocks, and achieve the effect of improving reading efficiency
Active Publication Date: 2019-08-06
LOONGSON TECH CORP
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[0005] The present invention provides a data reading method and device based on large page mapping, which is used to solve the problem of low reading efficiency of matrix blocks in the prior art
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[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0025] figure 1 The flow chart of Embodiment 1 of the data reading method based on large page mapping provided by the present invention, as shown in figure 1 As shown, the method can be executed by a central processing unit (Central Processing Unit, referred to as, CPU), such as figure 1 As shown, the method of this embodiment may include:
[0...
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The invention provides a data reading method and device based on large page mapping. The method comprises the following steps of: according to range information of a reserved data reading space and physical address range information corresponding to a storage space for storing a matrix block to be read, determining whether the matrix block to be read satisfies a large page mapping condition or not; and, if the fact that the matrix block to be read satisfies the large page mapping condition is determined, reading the matrix block to be read in a large page mapping manner, wherein the matrix block to be read is a sub-matrix of a matrix corresponding to an adopted equation set when the performance of a computer system is evaluated by solving a time parameter of the equation set; the reserved data reading space is a reserved performance evaluation space of the computer system; and a large page is a cache, which is greater than or equal to the matrix block to be read. By means of the data reading method and device based on large page mapping provided by the invention, the reading efficiency of the matrix block to be read is increased.
Description
technical field [0001] The invention relates to the field of electrical digital data processing, in particular to a data reading method and device based on large page mapping. Background technique [0002] Currently, a linear system package (Linpack for short) is a test benchmark for evaluating the floating-point performance of a computer system. Specifically, Linpack mainly solves N-ary dense linear algebraic equations by using the Gaussian elimination method To evaluate the floating-point performance of high-performance computer systems, and to estimate the floating-point performance of the computer system by the time it takes to solve the above-mentioned N-ary dense linear algebraic equations, in the process of solving the above-mentioned N-ary dense linear algebraic equations, Linpack needs to read the matrix corresponding to the above N-ary dense linear algebraic equations, and solve the N-ary first-order dense linear algebraic equations according to the read matrix. ...
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IPC IPC(8): G06F12/0873
Inventor 张晓辉李雪峰
Owner LOONGSON TECH CORP