Unit Instance

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        "Note that I say \"reasonably\" contiguous rather than simply \"contiguous\".  From the point of view of a 128K direct mapped cache, the physical address 0 is the same as the physical address 128K.  So two side-by-side pages in your virtual address space may wind up being offset 128K and offset 132K in physical memory, but could also easily be offset 128K and offset 4K in physical memory and still retain the same cache performance characteristics.  So page-coloring does _not_ have to assign truly contiguous pages of physical memory to contiguous pages of virtual memory, it just needs to make sure it assigns contiguous pages from the point of view of cache performance and operation."
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        "Note that I say \"reasonably\" contiguous rather than simply \"contiguous\".  From the point of view of a 128K direct mapped cache, the physical address 0 is the same as the physical address 128K.  So two side-by-side pages in your virtual address space may wind up being offset 128K and offset 132K in physical memory, but could also easily be offset 128K and offset 4K in physical memory and still retain the same cache performance characteristics.  So page-coloring does _not_ have to assign truly contiguous pages of physical memory to contiguous pages of virtual memory, it just needs to make sure it assigns contiguous pages from the point of view of cache performance and operation."
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    "timestamp": "2021-03-20T20:43:38.923867Z"
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