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Lecture Notes in Computer Science
Some of today's superscalar processors, such as the Intel Pentium III, implement physical registers using the Reorder Buffer (ROB) slots. As much as 27% of the total CPU power is expended within the ROB in such designs, making the ROB a dominant source of power dissipation within the processor. This paper proposes three relatively independent techniques for the ROB power reduction with no or minimal impact on the performance. These techniques are: 1) dynamic ROB resizing; 2) the use ofdoi:10.1007/3-540-45716-x_29 fatcat:242nzaheyrcmbccys2xvsghvuq