Questa Equivalence Check for FPGA ensures that the advanced optimizations required to achieve ambitious power, performance, and area goals do not alter the functional integrity of the design.
Supporting features such as fixed and distributed RAM/ROM inference, DSP optimization, finite state machine (FSM) recoding, and register retiming, it accelerates verification by reducing the need for gate-level simulations and by quickly identifying hard-to-detect issues within the implementation flow.
Customized FPGA vendor tool support and device-specific optimizations provide unparalleled accuracy in detecting design discrepancies, ensuring that the design performs as intended at every stage of synthesis and place-and-route (P&R).
Why choose Questa Equivalent FPGA for equivalence control?
Improved functionality, performance and cost
Questa Equivalent FPGA improves the quality of FPGA designs by enabling advanced verification methods for modern FPGA architectures. It helps reduce verification time and ensure functional correctness even after complex synthesis and P&R optimizations.
Full RTL check on the entire FPGA execution
Questa Equivalent FPGA ensures equivalence from RTL to final netlist by combining powerful combinational and sequential provers. It addresses FPGA-specific challenges, such as pipelining registers and recoding FSMs, while ensuring implementation consistency.
Faster error detection and debugging
With Questa Equivalent FPGA, you can quickly verify modern FPGA optimization flows and pinpoint the exact source of implementation errors, significantly reducing debugging cycles. This speeds up the design process and minimizes gate-level simulations.
Integration with vendor-specific tools
Questa Equivalent FPGA integrates directly with leading FPGA vendor tools, including AMD-Xilinx Vivado, Intel Quartus, and Microchip Libero, ensuring a smooth configuration and verification process with automatic script generation and seamless mapping to the chosen FPGA technology.
The retargeting flow Questa Equivalent FPGA helps extend the lifespan of legacy designs while taking advantage of the latest FPGA advances in performance, power efficiency, and security features.
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Advanced verification of FPGA implementation
Questa Equivalent FPGA provides comprehensive verification coverage for modern FPGA designs, supporting advanced optimizations such as DSP inference, FSM recoding, and RAM/ROM inference. Verifying the implementation flow ensures that the design maintains functional equivalence from the RTL to the final netlist.
Combinational and sequential demonstrators
Combining advanced combinational and sequential demonstrators, Questa Equivalent FPGA addresses complex FPGA-specific problems such as register pipelining, retiming, and clock domain traversal. This enables a comprehensive verification process, ensuring that optimizations do not introduce functional discrepancies.
Rapid error detection and debugging
With powerful debugging tools, Questa Equivalent FPGA quickly identifies and isolates design problems, providing targeted resolution of counterexamples. GUI visualization, automatic reset detection, and trace generation speed up the process of error detection and correction, reducing audit bottlenecks.
Support for specific optimization
Questa Equivalent FPGA integrates seamlessly with leading FPGA vendor tools, such as AMD-Xilinx Vivado, Intel Quartus, and Microchip Libero, offering device-specific profiling. It supports advanced architectural features, enabling efficient verification for optimizations such as register packing, retiming, and power optimization.
Minimized gate-level simulation
Questa Equivalent FPGA reduces the need for time-consuming gate-level simulations through formal equivalence checking, making it easier to verify FPGA designs without compromising quality or increasing verification time. This significantly shortens the overall design and verification cycle.
"Equivalent FPGA ensures that optimizations do not alter the functionality of the design by promptly detecting discrepancies during synthesis and place-and-route."
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