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JaguarRoute

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Jaguar Placer And Jaguar Router (JPlace and JRoute, JP&R)
-- JPlace (currently focuses on re-placing cells without clock pins)
-- Given a legal placement, JPlace will replace (or re-optimize) the cells without clock pins.

-- JRoute (currently focuses on routing signal nets)
-- Given a design with routed power and clock nets, and partially or fully unrouted signal nets, JRoute will rip-up and reroute all signal nets.

-- IO format: LEF/DEF 5.8, and all intermediate results are in the same format.
-- Performance, in terms of the decrease of wire count (wc), wire length (wl), and via count (vc), is summarized in the following table for two designs:

Design wc wl vc
d65 39.7% 6.7% 24.1%
d28 22.2% 2.0% 15.5%

(More details are available in benchmarks.)

While JP&R does not encompass all components, to fully leverage its strengths and the capabilities of third-party tools in the market, its primary role is to provide the best initial placement and/or routing for existing tools. The remaining tasks leading up to tape-out can then be handled by these existing tools. By offering a superior initial P&R framework, with shorter wire lengths and fewer vias, an alternative and/or improved final result can be achieved.