( ESNUG 380 Item 4 ) -------------------------------------------- [10/25/01]

From: [ Mr. Bigglesworth ]
Subject: Verplex (Again) Tramples Chrysalis & Formality In User Benchmarks

Hi John.

I thought I would share this data with you.  Keep me anonymous on this.

We've been looking into a formal verification solution that can handle our
big chips.  From a technical standpoint, it seems like a no-brainer.

         Chip 1 (RTL2Gate)  2.5 M gates, hier design:

                                  Time            Memory
                                 --------        ---------
         Avanti Chrysalis 3.0    527 min         1310 Mbyte
         SNPS Formality 2000.11   No Data*         No Data*
         Verplex Tuxedo 2.0.8.a    6 min          302 Mbyte

            * - Formality had setup problems


         Chip 2 (Gate2Gate)  4 M gates, flat design:

                                  Time            Memory
                                 --------        ---------
         Avanti Chrysalis 3.0    3596 min        14870 Mbyte
         SNPS Formality 2000.11   112 min         2399 Mbyte
         Verplex Tuxedo 2.0.8.a    89 min         2817 Mbyte


         Chip 3 (RTL2Gate)  7.5 M gates, hier design:

                                  Time            Memory
                                 --------        ---------
         Avanti Chrysalis 3.0    255 min         1300 Mbyte
         SNPS Formality 2000.11   No Data*         No Data*
         Verplex Tuxedo 2.0.8.a   34 min          697 Mbyte

            * - Formality had setup problems


Chyrsalis Design Verifyer was the most complicated to run.  Formality
was also difficult to setup, but not as bad.  For Tuxedo, within 30
minutes, we had everything up and running and comparing.

    - [ Mr. Bigglesworth ]


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