Multi-core multi-thread microprocessor-oriented virtual active page buffer method and device
A microprocessor and multi-threaded technology, applied in machine execution devices, electrical digital data processing, instruments, etc., can solve problems such as frequent opening and closing of active pages, frequent physical active pages, limited optimization space, etc., and achieve breakthrough access Memory bandwidth, multi-body load balance, and strong scalability
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[0042] Such as figure 1 , figure 2 with image 3 As shown, the implementation steps of the virtual active page buffering method for a multi-core multi-threaded microprocessor in this embodiment are as follows:
[0043] 1) Construct a virtual active page buffer (Virtual Open Page Buffer, VOP buffer) between the on-chip memory access component of the processor and the memory controller to obtain the memory access request from the on-chip memory access component of the processor and determine the access The type of the memory request. If the memory access request is a read request, then skip to step 2); if the memory access request is a prefetch read request, then skip to step 4); if the memory access request is a write request, then skip Go to step 7);
[0044] 2) According to the request address of the memory access request and the request address of the historical memory access request, it is judged whether the memory access mode of the memory access request meets the preset rule ...
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