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Action-power modeling

Model Building

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Innergy Quarx builds statistical power models that identify actions within your design and the power consumed by those actions.

Actions are identified from a few key signals in the DUT's (Design Under Test) activity file (FSDB/VCD).
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Power is obtained from DUT's cycle-based power data. This data may be generated using Innergy's tool, or obtained from your own power tool (Innergy works with all leading power tools).

Examples of Actions:
Actions can be small or large duration.
Small duration actions: memory transaction, opcode execution, a table lookup etc.
​Large duration actions: packet routing configuration change, or an image processing algorithm change etc.

 Model Usage 

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Action-power models may be used in simulation or for early 'what-if' power exploration. Models forecast power without needing any time- consuming gate simulations.
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RTL Simulation: Forecast power quickly and accurately for long running tests. For example: a long running block or full chip test

Emulation: Full chip emulation activity file (FSDB/VCD)

Software simulation: Activity trace from an Instruction Set Simulator

Early 'what-if' power exploration: Use model-generated power simulation to explore various 'what-if' power exploration scenarios:
  • High/medium/low traffic impact on power
  • Power v/s performance analysis
  • Voltage and frequency scaling
  • Clock gating changes
  • Changes to architecture

Power monitoring in silicon: Innergy can generate embeddable RTL IPs of the action-power models built for the SoC. These can be used to monitor and control power consumption in real time for power and performance optimization.​
User Experience

Model build process is efficient

Easy integration with your existing tools

We have made our build process very efficient by requiring few user inputs.
​Typical model build duration is a few hours for a major design block.
We work with all leading vendors in the EDA world to provide seamless integration into your tool flow.
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