-O3 Enables slow optimizations for the code Verilator itself generates (as opposed to "-CFLAGS -O3" which effects the C compiler's optimization. -O3 may improve simulation performance at the cost of compile time.
This PR adds a .with_performance_optimizations(bool) to the builder.
As per verilator documentation:
This PR adds a
.with_performance_optimizations(bool)
to the builder.