Transistors double every 18 months, parameters double every 4. @Synopsys Chief Product Officer Ravi Subramanian on the steepening curve facing chipmakers: "For the past 40 years, much of the advances in what was required and possible with a chip has been driven by Moore's law." "Moore's law allowed people to double the number of transistors within a piece of silicon every 18 months...that used to be the rhythm at which technology evolved and products evolved." "Today the driver for…