tag: glitch power

Decoding Glitch Power at the RTL Stage
By Ansys - 07 Aug, 2024 - Comments: 0

In the context of analyzing digital semiconductor circuits, a glitch is any unwanted or unused signal transition, or toggle. A glitch is often a transient signal that is much shorter than a clock period and therefore is not captured by the next register stage. We also encounter full transition glitches, or transport glitches, which refer to toggles in a data path circuit that cover a full clock... » read more

IC Power Optimization Required, But More Difficult To Achieve
By Adam Kovac - 18 Jul, 2024 - Comments: 0

Power optimization is playing an increasingly vital role in chip and chip and system designs, but it's also becoming much harder to achieve as transistor density and system complexity continue to grow. This is especially evident with advanced packages, chiplets, and high-performance chips, all of which are becoming more common in complex designs. Inside data centers, racks of servers are str... » read more

Glitch Power Issues Grow At Advanced Nodes
By Ann Mutschler - 11 Jan, 2024 - Comments: 0

An estimated 20% to 40% of total power is being wasted due to glitch in some of the most advanced and complex chip designs, and at this point there is no single best approach for how and when to address it, and mixed information about how effective those solutions can be. Glitch power is not a new phenomenon. DSP architects and design engineers are well-versed in the power wasted by long, sl... » read more

Issues In Calculating Glitch Power
By Ed Sperling - 11 Oct, 2023 - Comments: 0

The amount of power consumed by redundant non-functional toggles, or glitch power, can be as high as 35% of total power consumption in a design. What can be done about that? Godwin Maben, low-power architect and scientist at Synopsys, takes a deep dive into the causes of glitch, how it is affected by new process nodes and heterogeneous integration, and the impact of different workloads, higher ... » read more

Achieving Consistent RTL Power Accuracy
By Synopsys - 23 May, 2023 - Comments: 0

Are you struggling to accurately estimate RTL power consumption early in your design process? RTL power estimation can be inaccurate due to the complexity of the designs, the various power domains, and the use of multiple tools in the design process. Designers can make effective power-performance-area tradeoffs early by using a holistic methodology that includes both architectural and micro-arc... » read more

Addressing Power Challenges In AI Hardware
By Solaiman Rahim - 04 Feb, 2021 - Comments: 0

Artificial intelligence (AI) accelerators are essential for tackling AI workloads like neural networks. These high-performance parallel computation machines provide the processing efficiency that such high data volumes demand. With AI playing increasingly larger roles in our lives—from consumer devices like smart speakers to industrial applications like automated factories—it’s paramount ... » read more

For AI Hardware, Power Optimization Starts With Software And Ends At Silicon
By Solaiman Rahim - 04 Sep, 2020 - Comments: 0

Artificial intelligence (AI) processing hardware has emerged as a critical piece of today’s tech innovation. AI hardware architecture is very symmetric with large arrays of up to thousands of processing elements (tiles), leading to billion+ gate designs and huge power consumption. For example, the Tesla auto-pilot software stack consumes 72W of power, while the neural network accelerator cons... » read more

Power Management Becomes Top Issue Everywhere
By Ann Mutschler - 12 Mar, 2020 - Comments: 1

Power management is becoming a bigger challenge across a wide variety of applications, from consumer products such as televisions and set-top-boxes to large data centers, where the cost of cooling server racks to offset the impact of thermal dissipation can be enormous. Several years ago, low-power design was largely relegated to mobile devices that were dependent on a battery. Since then, i... » read more

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