Information processing method and device

An information processing method and technology for an information processing device, which are applied in the fields of electrical digital data processing, memory address/allocation/relocation, instruments, etc., can solve problems such as bottlenecks restricting processing speed, limited overall performance of system chips, and memory access speed, etc. Achieve the effect of improving the overall processing speed, saving chip area and chip power consumption, and improving the reading speed
CN103077129BActive Publication Date: 2016-07-13GALAXYCORE SHANGHAI
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
GALAXYCORE SHANGHAI
Publication Date
2016-07-13

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Abstract

The invention discloses an information processing method and device, which are suitable for pre-fetching caching. The information processing method comprises the following steps of: acquiring the information of data to be read according to an external reading command, and determining missing data in a cache memory according to the information of the data to be read and mark information of the cache memory; sequencing the missing data to form a reading command queue and a corresponding filling command queue; reading the missing data from an off-chip memory in sequence according to the reading command queue; and filling the missing data into the cache memory according to the filling command queue. The information processing device comprises the cache memory, a microprocessor, a first transient memory for storing the reading command queue, and a second transient memory for storing the filling command queue. According to the invention, the congestion phenomenon of the cache memory can be avoided or reduced, so that the processing speed of a chip can be improved.
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Description

technical field

[0001] The invention relates to the field of digital information processing, in particular to a prefetchable information processing method and device. Background technique

[0002] During the development of computer technology, the access speed of memory has always been much slower than the processing speed of CPU, so that the high-speed processing capability of CPU cannot be fully utilized, affecting the work efficiency of the entire computer system. Cache memory is used to alleviate the speed mismatch between CPU and memory. The use of high-speed cache memory technology has been quite common. The high-speed cache memory is a first-level memory that exists between the memory and the CPU. It is composed of a static memory chip (SRAM) and has a relatively small capacity, but its access speed can match the CPU. According to the principle of program locality, there is a high probability that those units adjacent to a unit of memory being used will be used. Th...

Claims

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