Control method for improving utilization rate of storage bus by avoiding tFAW

The invention provides a control method for improving the utilization rate of a storage bus by avoiding tFAW. According to the control method, the command sequence of the DDR memory is detected, and the command sequence is reordered according to the tFAW window time sequence, so that the influence o...

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Bibliographic Details
Main Authors HUANG NIANZHI, SONG LINGJIAN, SONG CHAO
Format Patent
LanguageChinese
English
Published 13.12.2019
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention provides a control method for improving the utilization rate of a storage bus by avoiding tFAW. According to the control method, the command sequence of the DDR memory is detected, and the command sequence is reordered according to the tFAW window time sequence, so that the influence of tFAW window time can be eliminated by the command interval of every two banks in the same row. According to the method, the situation of empty equal tFAW windows can be effectively reduced, and the bus utilization rate is improved. 本发明提供了一种通过规避tFAW提高存储总线利用率的控制方法，该控制方法通过对DDR存储器的命令序列进行检测，并根据tFAW窗口时序对该命令序列重新排序，使得两两同bank同行的命令间隔能够消除tFAW窗口时间的影响。才用本发明方法能有效减少空等tFAW窗口的情况，提高总线利用率。
Bibliography:Application Number: CN201910872545