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Verilator is a software programming tool which converts the hardware description language Verilog to a cycle-accurate behavioral model in the programming languages C++ or SystemC. The generated models are cycle-accurate and 2-state; as a consequence, the models typically offer higher performance than the more widely used event-driven simulators ...
Using high-level synthesis, also known as ESL synthesis, the allocation of work to clock cycles and across structural components, such as floating-point ALUs, is done by the compiler using an optimisation procedure, whereas with RTL logic synthesis (even from behavioural Verilog or VHDL, where a thread of execution can make multiple reads and ...
The following table is split into two groups based on whether it has a graphical visual interface or not. The latter requires a separate program to provide that feature, such as Qucs-S, [1] Oregano, [2] or a schematic design application that supports external simulators, such as KiCad or gEDA.
Xspice [6] is an extension to Spice3 that provides additional C language code models to support analog behavioral modeling and co-simulation of digital components through a fast event-driven algorithm. Cider [7] adds a numerical device simulator to ngspice. It couples the circuit-level simulator to the device simulator to provide enhanced ...
The gEDA project offers a mature suite of free software applications for electronics design, including schematic capture using gschem, attribute management gattrib, bill of materials (BOM) generation, netlisting into over 20 netlist formats (gnetlist), analog and digital simulation (ngspice, gnucap, Icarus Verilog, and GTKWave, and Printed ...
The ability to generate VHDL and Verilog code from a MyHDL design. [2] The ability to generate a testbench (Conversion of test benches [3]) with test vectors in VHDL or Verilog, based on complex computations in Python. The ability to convert a list of signals. [4] The ability to convert output verification. [5] The ability to do co-simulation ...
Schematic capture + spice simulation Quite Universal Circuit Simulator (QUCS) Linux, Solaris, Mac, NetBSD, FreeBSD, Windows: GPL-2.0-or-later: Schematic capture + Verilog + VHDL + simulation. Qucs-S fork supports SPICE backends Ngspice, Xyce, & SpiceOpus. XCircuit: Unix: GPL: Used to produce netlists and publish high-quality drawings.
The GUI is used to create schematics, setup simulations, display simulation results, writing VHDL code, etc. The analog simulator, gnucsator, is a command line program which is run by the GUI in order to simulate the schematic which you previously setup.