tag: Ansys Apache

The Next Big Threat: Power And Performance
By Ed Sperling - 17 Jan, 2014 - Comments: 3

In the shiny world of consumer electronics and powerful computers, taking a grinder to the outside of a package may sound more like safecracking than sophisticated electronic code hacking. The reality is there is more in common than most semiconductor companies would like to admit, and the starting point often is just as crude. To no small extent, systems on chip have become miniature safes.... » read more

Mostly Accurate Computing
By Ann Mutschler - 16 Jan, 2014 - Comments: 0

“Approximate computing” is a new concept in computers, allowing them to perform calculations for certain tasks that don’t require perfect accuracy with the goal of improving efficiency and reducing energy consumption. But do the concepts apply when it comes to managing power? And is there a philosophical approach when it comes to thinking about power management? To a large extent, that... » read more

Performance Still Trumps Power
By Brian Bailey - 16 Jan, 2014 - Comments: 2

When it comes to technology, the past was always simpler than the present and the future looks daunting. In part, this is because finding a solution to a problem allows us to discover the next problem. Over time, the previous problem becomes more understood and solutions improve to the point where it is no longer considered a problem. It was a fairly easy choice about how to implement functiona... » read more

Power’s Impact On Hierarchy Modification
By Ann Mutschler - 16 Jan, 2014 - Comments: 2

RTL restructuring in which the logical hierarchy of a design is modified is usually done to manage complex designs. When power management is added to this task, new challenges crop up. Consider switchable power or voltage domains, which are a common way to manage power is to use switchable power or voltage domains. When implementing this technique, all the logic in such a domain must hang of... » read more

The Road Ahead For 2014
By Brian Bailey - 16 Jan, 2014 - Comments: 1

Semiconductor Engineering asked several thought leaders in the industry about the market drivers that are affecting their product planning operations for 2014. While almost everyone sees mobile devices continuing to be the major driver during 2014, there are some emerging areas that may start to have a larger impact. This article takes a look at some of those and the impacts they could have on ... » read more

Power Noise And Reliability Sign-off For The Sub-20nm FinFET Era
By Aveek Sarkar - 16 Jan, 2014 - Comments: 1

There is a greater focus on power noise and reliability simulations and sign-off as the complexity of SoC designs continue to increase with 100+ different voltage islands, clock and power gating techniques, and multiple IPs each operating on different clock and power domains, etc. The technology node migration from 40nm to 20nm is driving requirements for electro-migration (EM) and reliability ... » read more

Power Delivery Network (PDN) Verification Coverage
By Various Writers - 15 Jan, 2014 - Comments: 0

This paper presents a methodology for comprehensive power grid verification coverage, including identification of power grid weaknesses early in the design cycle. To download this white paper, click here. » read more

Blog Review: Dec. 11
By Ed Sperling - 11 Dec, 2013 - Comments: 0

Synopsys’ Brent Gregory has developed a career growth checklist for computer science majors. They should hang this in the hallway at universities. Cadence’s Brian Fuller interviews Saar Drimer, a UK hardware engineer who has been experimenting with odd-shaped PCBs. According to Drimer, 45-degree angles aren’t always optimal. But what happens to all the expensive tools everyone has bee... » read more

The Path To Power Signoff Is Getting Longer
By Ed Sperling - 06 Dec, 2013 - Comments: 0

Signoff on power used to be a fairly simple check-the-box kind of activity. Even if power budgets weren’t exactly met, they could usually be fixed in future iterations of a chip, whether that involved derivatives or new revs of the same chip. A number of things have changed since the much simpler days of 45/40nm and above, however. Power is now a market differentiator. In many cases, i... » read more

What’s Next For Power Optimization
By Brian Bailey - 05 Dec, 2013 - Comments: 1

Today it is difficult to find a design that does not consider some kind of power optimization. Mobile needs it to preserve battery life, data centers need it to reduce operating cost, and many are finding they need it to meet tougher regulatory requirements. In a survey conducted two years ago, there was no segment of the industry that was not taking a serious look at reducing their power profi... » read more

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