To perform an optimum arrangement by exerting the performance of an automatic arrangement tool at the maximum.

This method comprises a step S2 of setting a desired cell utilization ratio to a functional macro of a subject; a step S5 of determining the arrangement range of the function macro of the subject; a step S6 of determining whether the cell utilization ratio in the arrangement range of the functional macro of the subject satisfies a set desired cell utilization ratio or not; a step S7 of setting an arrangement area to satisfy the desired cell utilization ratio; a step S8 of rearranging the functional macro of the subject in the set arrangement area; a step S9 of determining whether other functional macros are included in the arrangement area or not; a step S10 of removing the other functional macros in the arrangement area to the outside of the arrangement area; a and step S11 of performing the fine adjustment of the arrangement position of the functional macro of the subject within the arrangement area or the rearrangement of a block having an arrangement error.

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