PIPELINED OUT OF ORDER PAGE MISS HANDLER
Abstract:
Systems, methods, and apparatuses relating to circuitry to implement a pipelined out of order page miss handler are described. In one embodiment, a hardware processor core includes an execution circuit to generate data storage requests for virtual addresses, a translation lookaside buffer to translate the virtual addresses to physical addresses, and a single page miss handler circuit comprising a plurality of pipelined page walk stages, wherein the single page miss handler circuit is to contemporaneously perform a first page walk within a first stage of the plurality of pipelined page walk stages for a first miss of a first virtual address in the translation lookaside buffer, and a second page walk within a second stage of the plurality of pipelined page walk stages for a second miss of a second virtual address in the translation lookaside buffer.
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