The-OpenROAD-Project/OpenROAD

Multi-cut vias are not yet supported in the detail router

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#3,071 创建于 2023年3月23日

 (21 条评论) (0 个反应) (1 位负责人)Verilog (903 个派生)auto 404
Staledrtenhancementhelp wanted

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描述

Description

As stated in title, currently OpenROAD doesn't support multi-cut vias which could be a crucial functionality as shown in the figure below.(In FlewPR.cpp) So I believe it's impossible to set constraint in ndr rule for multi-cut vias since it's basically not support in the OpenROAD router.

image

Suggested Solution

Further modification need to be done for the router or create a new router just for multi-cut vias.

Additional Context

No response

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