Debugging Verification Constraints

Debugging Verification Constraints
by Paul McLellan on 07-23-2013 at 3:44 pm

In his DAC keynote last year (2012) Mike Mueller of ARM compared how much CPU was required to verify the first ARM versus one of the latest ARM Cortex CPUs. Of course the newer CPU is hundreds of times larger than the first ARM but the amount of verification required was millions of times as much, requiring ARM to construct their own datacenter… Read More


Accelera Technical Excellence Award

Accelera Technical Excellence Award
by Paul McLellan on 11-30-2012 at 3:46 pm

The Accellera Systems Initiative, most well-known for driving the standardization of various aspects of Verilog and SystemVerilog before handing the standards off to the IEEE, has announced that nominations are open for the 2013 Technical Excellence Award. This recognizes outstanding contributions in the creation of EDA… Read More


How many languages an Engineer should speak?

How many languages an Engineer should speak?
by ahmed.shahein on 06-08-2012 at 9:37 am

I speak VHDL and SystemC, others speak Verilog and SystemVerilog … what do you speak?

Before getting into the core of the topic let me give you some round figures, engineers love numbers. Julian Lonsdale “European Sales Manager at Aldec” informed me at the Xfest Munich last month that Aldec carried out a survey to evaluate the usage… Read More


Learning Verilog for ASIC and FPGA Design

Learning Verilog for ASIC and FPGA Design
by Daniel Payne on 11-02-2011 at 11:17 am

Verilog History
Prabhu Goel founded Gateway Design Automation and Phil Moorby wrote the Verilog language back in 1984. In 1989 Cadence acquired Gateway and Verilog grew into a de-facto HDL standard. I first met Prabu at Wang Labs in 1982 where I designed a rather untestable custom chip named the WL-2001 (yes, it was named to honor… Read More


A Verilog Simulator Comparison

A Verilog Simulator Comparison
by Daniel Payne on 09-22-2011 at 2:40 pm

Intro
Mentor, Cadence and Synopsys all offer Verilog simulators, however when was the last time that you benchmarked your simulator against a tool from a smaller company?

I just heard from an RTL designer (who wants to remain anonymous) about his experience comparing a Verilog simulator called CVC from Tachyon against ModelSim… Read More


Simulating in the Cloud

Simulating in the Cloud
by Paul McLellan on 09-13-2011 at 1:43 pm

Yesterday I met with David Hsu who is the marketing guy for Synopsys’s cloud computing solution that they announced at their user-group meeting earlier this year. It was fun to catch up; David used to work for me back in VLSI days although he was an engineer writing place and route software back then.

David admits that this is… Read More