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11 août 2026Motor

The simulator reaches 148/148 against GHDL

Kmila's simulation engine is validated automatically against GHDL, the reference open-source VHDL simulator. Each case runs the same design in both simulators and compares their waveforms.

The current bench stands at 148 of 148 identical cases, over thousands of signal samples, without a single discrepancy. The cases range from counters and state machines to user-defined functions, signal attributes ('event, 'stable, 'last_value) and VHDL-2008 constructs.

This parity is the project's foundation of trust: what you see simulate in Kmila behaves the way it would in the open industry-standard tool.