Instruction window

An instruction window in computer architecture refers to the set of instructions which can execute out of order in an out-of-order speculative CPU.

In particular, in a conventional design, the instruction window consists of all instructions which are in the re-order buffer (ROB). In such a processor, any instruction within the instruction window can be executed when its operands are ready. Out-of-order processors derive their name because this may occur out-of-order (if operands to a younger instruction are ready before those of an older instruction).

单词	Instruction window
释义	Instruction window 英语百科 Instruction window An instruction window in computer architecture refers to the set of instructions which can execute out of order in an out-of-order speculative CPU. In particular, in a conventional design, the instruction window consists of all instructions which are in the re-order buffer (ROB). In such a processor, any instruction within the instruction window can be executed when its operands are ready. Out-of-order processors derive their name because this may occur out-of-order (if operands to a younger instruction are ready before those of an older instruction).
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