Method of estimating power consumption of each instruction proce

Details Method of estimating power consumption of each instruction proce Method of estimating power consumption of each instruction proce

1997-07-17

1999-08-24

Sheikh, Ayaz R.

Electrical computers and digital processing systems: support

Computer power control

Having power source monitoring

712237, 712238, 713300, 713400, 39550041, G06F 100

Patent

active

059419911

ABSTRACT:
This invention provides a method of estimating the power consumption of a microprocessor with the use of an instruction file that is simple and easy to prepare. A microprocessor (3, 4) reads instructions out of a main memory (2) or an instruction cache (1) and executes them. A group of instructions that include at least one target instruction whose power consumption is to be estimated is repeatedly executed in simulations, to find the power consumption of the microprocessor on the target instruction in a cache miss state, as well as the power consumption of the microprocessor on the target instruction in a cache hit state, according to the power consumption of the microprocessor in given cycles.

REFERENCES:
patent: 5557557 (1996-09-01), Frantz et al.
patent: 5682320 (1997-10-01), Khouja et al.
patent: 5694607 (1997-12-01), Dunstan et al.
patent: 5752259 (1998-05-01), Tran
Li et al., Performance Estimation of Embodded Software with Instruction Cache Modeling, (1995), pp. 380-387.
Vivek Tiwari, et al., "Power Analysis of Embedded Software: A First Step towards Software Power Minimization", IEEE-94, pp. 384-390, 1994.

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