LRU replacement policy
解释了s3c44b0x cache的行替换策略
• each bit represents one branch point in a binary decision tree
• let 1 represent that the left side has been referenced more recently than the right side, and
0 vice-versa
are all 4 lines valid?
/ \
yes no, use an invalid line
|
|
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bit_0 == 0? state | replace ref to | next state
/ \ ------+-------- -------+-----------
y n 00x | line_0 line_0 | 11_
/ \ 01x | line_1 line_1 | 10_
2021-09-03 15:39:02
51KB
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基于嵌入式实时操作系统VxWorks平台的无人直升机控制系统、电子技术,开发板制作交流
2021-02-03 14:05:13
193KB
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基于RISC处理器S3C44B0X的新型智能交通信号机设计、电子技术,开发板制作交流
2021-02-03 14:05:09
187KB
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