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Can the open BSIM4 standard provide a means for fair simulator benchmarking?

karbiu

I’d like to inquire and obtain some background information on the BSIM4 model.  As I understand, the BSIM4 is an open industrial standard on a MOS device compact model that is supported by most commercial circuit simulators, including Mentor’s Eldo and Cadence’s Spectre.  This seems to provide a means for a fair performance benchmarking between Eldo and Spectre.  In the past, the speed benchmarking between Eldo and Spectre was often obscured by proprietary models and we used to say we were comparing apples to oranges when different compact models were used in the Eldo and Spectre simulations.  Now with the adoption of BSIM4 models by new design kits, it seems to me that the use of identical models for different simulators is possible.  Am I correct?  In particular, does/can the open BSIM4 standard guarantee that the Eldo BSIM4 model is fully equivalent to the Spectre BSIM4 model? 

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