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Your kids may be going house to house for treats,
but you can get a big OVM sugar rush from Cadence's OVM World contributions. Each delectible nugget is wrapped in documentation that helps you savor all the goodness. So reach into the bowl and indulge in these methodology sweets!
From day 1 the OVM has employed a factory mechanism for both simple reuse and multi-language consistancy. While factories are the generally accepted practice for object oriented languages, users migrating to the OVM from other methodologies may be more comfortable with extending procedural and structural elements using callbacks. This donation adds callbacks to the OVM SV (SystemVerilog) library.
With it's roots in eRM, users of the OVM can access to the collective experience of 5000+ tapeouts over nearly a decade using the contributed OVC (OVM Verification Component) Compliance Checklist. Since each donation is open, it is easy for the ecosystem to take them and create value-added products. Amiq has done this by automating the checklist in an OVM DVE. A demo of the OVM e version was recently blogged and one demoing the OVM SV (SystemVerilog) version will be up shortly.
When everything works perfectly, life is just so easy. Unfortunately (or fortunately for those of us who need the work!!), it rarely works that way. The Objection Mechanism package adds a number of capabilities to help coordinate and manage complex testbenches. It includes hierarchical status coordination, objection handling, simplified end-of-test coordination, heartbeat detection of malfunctioning objects, and more.
Fourth in alphabetical order, this most downloaded contribution on the entire OVM World website with 1500+ at the time this blog was written. In its second release now, this register package contains significant improvements recommended by our customers and the OVM Advisory Group (OAG). Among these include greatly improved capacity/performance, multi-bus system-level control, alignment with IP_XACT 1.5, and much more. We do recommend upgrading from our 1.1 version and there is documentation on how to do so. The most-often asked question is "when will there be a joint package" and we are continuing to work with Mentor on that so say stuned to the OVM World and this blog!
OVM messages are critical to understanding both nominal and error conditions in your testbench. However, when you scale up the environment those innocent string manipulations can become very expensive regardless of the verbosity settings. This contribution show you how to optimize your messaging to improve OVM testbench performance. Like all of our contributions, this should improve your life regardless of the simulator you choose. Of course, this blogger would prefer y'all use Incisive Enterprise Simulator!!
Christmas / Hanukkah / Kwanzaa is coming next. Will there be more treats?
Yes! The genIES are hard at work conjuring up more magical treats for you so visit the OVM World contributions area and this blog frequently or sign-up for the RSS feed.