What is Xcelium?

Xcelium is a parallel logic simulator developed by Cadence Design Systems. It is used for verifying the functional correctness of digital hardware designs, typically integrated circuits, ASICs, and FPGAs. Xcelium supports various simulation languages, including Verilog, SystemVerilog, VHDL, and SystemC. It's commonly used for tasks such as functional verification, regression testing, and power analysis of digital designs before they are manufactured.