Untangling snags earlier and reducing area by 10%

Untangling snags earlier and reducing area by 10%
by Don Dingee on 01-30-2014 at 6:00 pm

The over 20 years of experience behind Synopsys Design Compiler is getting a new look for 2014, and we had a few minutes with Priti Vijayvargiya, director of product marketing for RTL synthesis, to explore what’s in the latest version of the synthesis tool.

Previewed today, Synopsys Design Compiler 2013.12 continues to target … Read More


Because X doesn’t always mark the exact spot

Because X doesn’t always mark the exact spot
by Don Dingee on 11-30-2013 at 1:00 pm

Digital hardware has a habit of deciding – based on the bias and behavior of transistors – to drive outputs to a 0, or a 1, or if commanded a high-impedance Z state. SystemVerilog recognizes a fourth state: X, the “unknown” state a simulator has trouble inferring.

Simulators have a choice. Under X-optimism, they can convert the unknown… Read More