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 Decoding Formal

Posts Tagged ‘formal verification’

Seven Ways That Formal Verification is Like a Team Sport

Wednesday, February 15th, 2017

I recently started to develop an appreciation for the sport of cricket during our Oski company-wide, off-site meeting in beautiful Udaipur, India. Before that, if you had mentioned cricket, I would be more likely to think of the bugs I hear chirping on summer nights and that sometimes find their way into my garage.

John Wright speaks at the Oski off-site

However, that began to change on January 26, 2017, when Oski employees were treated to a talk by legendary cricket player and coach, John Wright.  Wright was propelled to stardom when he enjoyed a successful 5-year stint as the first foreign coach of the Indian national team between 2000 and 2005.  With the support of Indian captain, Sourav Ganguly, he transformed the Indian cricket team from a group of super-talented individuals, but under-achievers as a team, to consistent world champions. Highlights included beating the Australian juggernaut, who were on a run of sixteen consecutive test wins, and beating Pakistan on their home turf for the first time in more than 50 years.

Interestingly, it was not through a new team system nor by adding new individual skills that this was accomplished.  As an outsider, he succeeded against all odds by a series of small, thoughtful behavioral changes.  Let’s examine these changes and the lessons we can learn from them as formal verification engineers.

John Wright answers questions after his talk

  1. Team First

“Don’t do anything to hurt the team”, says Wright. A winning team must have good chemistry. They must portray an image of being the model team. That means individuals must prioritize the team’s schedule and not keep everyone else waiting. It means warming up as a team before games; treating each other with respect; having a positive attitude, while not being afraid to deal with the negative. This is the responsibility of all team players, but the tone is set by the leaders, starting with the team captain and coach.
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Oski Decoding Formal Club – A First-Timer’s Perspective

Monday, December 12th, 2016

It’s undeniable: I am a newcomer to the formal verification scene. As one of the newest members of the Oski team, I didn’t know what to expect when I attended the Oski Decoding Formal Club meeting on October 11th. Oski hosted the event at the acclaimed Parcel 104 Restaurant in the Santa Clara Marriott hotel. The ever popular event was sponsored by Synopsys, and provided attendees from semiconductor companies like Apple, Cavium, Cisco, Intel, NVIDIA, Qualcomm, Western Digital and Xilinx with a great opportunity to network with other formal verification experts and engineers. Our taste buds were treated to a delectable meal made with locally harvested and sustained California ingredients, a Parcel 104 specialty, while Mandar Munishwar (Qualcomm), Ankit Saxena (Oski) and Vigyan Singhal (Oski) engaged our minds with presentations on intriguing formal topics.

Ankit Saxena (Oski) started off the series with a deep dive into “Verifying the Datapath for an AMD Processor”, which he worked on jointly with Sankar Gurumurthy (AMD), Farhan Rahman (AMD) and Ashutosh Prasad (Oski). Ankit’s talk described how data transform designs such as complex multipliers and dividers can be formally verified. View talk here.

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Another Reason to Stay an Extra Day in Austin

Friday, June 3rd, 2016

If you are attending the Design Automation Conference (DAC) in Austin, Texas, June 5-9, and need a good reason to stay an extra day, look no further. Oski Technology is offering a one-day primer on advanced formal verification techniques at the DAC Decoding Formal one-day training, “Achieving Formal Sign-off”, on Thursday, June 9, from 10 a.m. until 5 p.m. at the Hilton Hotel, Austin. 
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Part 2: Formal Verification Program Leader: The Critical Role of Planning and Measurement

Tuesday, May 17th, 2016

As in any engineering endeavor, formal verification involves engaging individuals in many different roles, often including formal managers and, given the technically deep and complex nature of FV, nearly always one or more formal experts. The manager of the formal verification effort on a project may have formal as his or her primary or sole responsibility, or may manage multiple aspects of verification (e.g. both simulation and FV). However, even a full-time formal verification manager may or may not drive the overall formal program in their company or organization.

In part one of this discussion, I talked about the emerging role of the Formal Verification (FV) Program Leader, an individual who enables and drives the formal process by navigating organizational dynamics, understanding designs and their verification complexities and schedules, developing and presenting ROI trade-offs, etc.; all to help achieve project goals. I listed six aspects of this role that the FV Program Leader must master in order to effectively lead the adoption and deployment of formal verification: Organization, Training and Upskilling, Test Planning, Progress Metrics, Sign-off Process, and Post Mortem Analysis.
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Recap of the 2016 Oski Formal Puzzler – “Chessboard Challenge” (+ Video)

Thursday, March 24th, 2016

In December 2015, Oski challenged formal users to build the fastest testbench to solve our Oski Formal Puzzler – the Chessboard ChallengeBerkeley Math Circle Monthly Contest 8, 2011, proposed and designed by Evan O’Dorney, three-time Putnam Fellow.  Jesse Bingham from Intel submitted the winning entry, as was announced during a presentation at the recent meeting of the Decoding Formal Club in Santa Clara, CA on February 29, 2016. This was an opportunity to promote the adoption of formal verification across the semiconductor industry, and share formal techniques by showing how they might be used to solve a fun formal puzzle. (more…)

The Formal Verification Program Leader: An Emerging Role in Verification

Monday, February 22nd, 2016

Formal verification of hardware designs has been around for more than 25 years. Commercial tools, for example from AT&T Bell Labs and IBM, started appearing in the 1990s. It’s only recently that formal verification has been adopted into design and verification flows, due to a number of reasons. It’s harder to learn than simulation or emulation because of its complexity, and it takes time for a verification engineer to become proficient in using it. Formal verification experts typically learn 100s of different techniques over the course of their careers.

Now that we are in the era of formal verification, an important new role is emerging –– the Formal Verification Program Leader (FV Program Leader). (more…)

Formal 2025: It’s Back to the Future!

Friday, November 13th, 2015

The recent Decoding Formal Club meeting hosted by Oski Technology on October 21, 2015 at the Computer History Museum in Mountain View celebrated the club’s 2nd anniversary with a “back to the future” twist.

While many of the predictions in the movie “Back to Future Part II” did not come true on October 21, 2015, the day of “the future” to which Marty McFly and Doc Brown time travel in a flying silver DeLorean sports car, that didn’t deter us from inviting attendees from Apple, ARM, Arteris, Broadcom, Ericsson, Google, Imagination, Microsoft, NVIDIA, Palo Alto Networks, Qualcomm and others to make some timely predictions for formal verification in 2025. The group was comprised of formal experts with years of experience, as well as engineers who are new to formal verification, so the predictions for 2025 were daring, but quite possible.

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Oski on the Bay in San Francisco

Wednesday, August 12th, 2015

EDA’s verification market segment is not the only place where something’s named for the Cal (University of California, Berkeley) mascot Oski. A Blue and Gold Fleet boat named Oski sails out of Pier 39 in San Francisco and takes visitors around the Bay and Alcatraz.

When I saw the Oski pulling away from the pier, I couldn’t help but draw an analogy between Oski Technology’s mission and the choppy waters the boat was heading into on that sunny day. Sunny days and choppy waters are something verification engineers can face on a daily basis. Verification tasks are so challenging in today’s for system-on-chip (SoC) designs that verification alone takes more than 60% of the project cycle. What’s more, simulation alone for SoC designs will leave large holes for bugs to sneak through, all the way to silicon. The challenge of verification actually is more daunting than the choppy waters of San Francisco Bay.
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Decoding Formal @ DAC – Join Oski for Four Days of Formal Fun

Saturday, June 6th, 2015

Oski Decoding Formal Events are usually hosted at the Computer History Museum in Mountain View and have attracted lots of formal enthusiasts in the bay area. Deep formal talks from Oski, lectures given by formal experts from different companies, good networking, cool gifts and museum tours have become the signature of these events that formal engineers look forward to, every quarter.

To reach out to formal enthusiasts around the world and create a bigger event than usual, the 2015 Q2 Decoding Formal event will be hosted at DAC. Our theme is proving completeness of End-to-End Formal for Sign-off.

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The Impact of Great Teachers

Friday, May 1st, 2015

My daughter has been learning violin for the last 5 years with a wonderful Suzuki teacher. She emphasizes proper posture, beautiful tone and a good work ethic. This has built a solid foundation for my daughter to venture into learning other instruments. Last fall my daughter started playing flute for her school band, and viola at Young String Ensemble, the youngest division of Portland Youth Philharmonic, founded in 1929 as the first youth orchestra in the United States.

To help her prepare for the upcoming audition for the more advanced Portland Youth Conservatory Orchestra, we decided she would take some viola lessons with the Oregon Symphony Principal Violist. We were totally blown away after just one lesson.

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