static: Reduce stddev of initial solution

YosysHQ / nextpnr

nextpnr portable FPGA place and route tool

ISC License

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static: Reduce stddev of initial solution #1253

Closed gatecat closed 7 months ago

gatecat commented 7 months ago

This does increase runtime a bit, but it improves HPWL and hopefully reduces the amount of chaos a bit by reducing the dependence on the initial random starting positions.