tag: open source

Differentiation And Architecture Licenses In RISC‑V
By Rupert Baines - 26 May, 2022 - Comments: 0

I was discussing with a colleague about the concept of architecture license in RISC-V. I realized that, in the open-source world, it can be a little tricky to grasp. In a traditional processor IP model, there is a clear distinction between an off-the-shelf IP license that gives some level of configuration but no customization and a fairly expensive architecture license enabling ... » read more

Research Platform for Heterogeneous Computing (ETH Zurich)
By Technical Paper Link - 09 May, 2022 - Comments: 0

New academic paper from ETH Zurich, "HEROv2: Full-Stack Open-Source Research Platform for Heterogeneous Computing." Abstract: "Heterogeneous computers integrate general-purpose host processors with domain-specific accelerators to combine versatility with efficiency and high performance. To realize the full potential of heterogeneous computers, however, many hardware and software design ... » read more

Database Reconstruction from Noisy Volumes: A Cache Side-Channel Attack on SQLite
By Technical Paper Link - 08 Sep, 2021 - Comments: 0

Authors: Aria Shahverdi, University of Maryland; Mahammad Shirinov, Bilkent University; Dana Dachman-Soled, University of Maryland Abstract: "We demonstrate the feasibility of database reconstruction under a cache side-channel attack on SQLite. Specifically, we present a Flush+Reload attack on SQLite that obtains approximate (or "noisy") volumes of range queries made to a private database... » read more

Working With RISC-V
By Ed Sperling - 17 Aug, 2021 - Comments: 0

RISC-V is coming on strong, but working with this open-source processor core isn't as simple as plugging in a commercial piece of IP. Zdenek Prikryl, CTO at Codasip, talks about utilizing hypervisors and open source tools and extensions to the RISC-V instruction set architecture, where design teams can run into problems, what will change as the architecture becomes more mature, the difference b... » read more

Continuing Challenges For Open-Source Verification
By Brian Bailey - 01 Jun, 2021 - Comments: 1

Experts at the Table: This is the last part of the series of articles derived from the DVCon panel that discussed Verification in the Era of Open Source. It takes the discussion beyond what happened in the panel and utilizes some of the questions that were posed, but never presented to the panelists due to lack of time. Contributing to the discussion are Ashish Darbari, CEO of Axiomise; Serge L... » read more

The Verification Mindset
By Ann Mutschler - 26 Apr, 2021 - Comments: 2

The practice of semiconductor verification has changed substantially over the years, and will continue to do so. The skillset needed for functional verification 20 years ago is hardly recognizable as a verification skillset today, and the same should be expected moving forward as design and verification becomes more abstract, the boundary of what is implemented in hardware versus firmware and s... » read more

RISC-V Targets Data Centers
By Ann Mutschler - 22 Apr, 2021 - Comments: 0

RISC-V vendors are beginning to aim much higher in the compute hierarchy, targeting data centers and supercomputers rather than just simple embedded applications on the edge. In the past, this would have been nearly impossible for a new instruction set architecture. But a growing focus on heterogeneous chip integration, combined with the reduced benefits of scaling and increasing demand for ... » read more

Stuck In A Rut
By Brian Bailey - 25 Mar, 2021 - Comments: 4

In the DVCon panel session about open-source verification, the first part of which has been published along with this blog, you will read about a fiery debate between the panelists. This is regarding the ability of the EDA industry to innovate. On one side is the accusation that there has been no real innovation since 1988. On the other side, there have been fantastic advances have been made th... » read more

Verification In The Open Source Era
By Brian Bailey - 25 Mar, 2021 - Comments: 1

Experts at the Table: Semiconductor Engineering sat down to discuss what open source verification means today and what it should evolve into, with Jean-Marie Brunet, senior director for the Emulation Division at Siemens EDA; Ashish Darbari, CEO of Axiomise; Simon Davidmann, CEO of Imperas Software; Serge Leef, program manager in the Microsystems Technology Office at DARPA; Tao Liu, staff hardwa... » read more

The Single Greatest Opportunity For Open Source
By Brian Bailey - 25 Feb, 2021 - Comments: 7

Next week, I will be moderating a panel at the virtual DVCon on the subject of open-source verification. I thought it would be good to advertise the event on LinkedIn to see if anyone wanted to send me well-structured questions for the panelists. What happened surprised me a little because the discussions almost exclusively went to the need for open-source verification tools. In my opinion, the... » read more

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