hdl / bazel_rules_hdl

Hardware Description Language (Verilog, VHDL, Chisel, nMigen, etc) with open tools (Yosys, Verilator, OpenROAD, etc) rules for Bazel (https://bazel.build)
Apache License 2.0
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Adds support for default driving cell in ABC #281

Closed QuantamHD closed 9 months ago

QuantamHD commented 9 months ago

If no default driving cell is provided primary inputs are assumed to have infinite drive strength in ABC. This leads to very poor STA performance out of synthesis.