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1.3.2.1. Using Simulation Signal Activity Data in Power Analysis
1.3.2.2. Signal Activities from RTL (Functional) Simulation, Supplemented by Vectorless Estimation
1.3.2.3. Signal Activities from Vectorless Estimation and User-Supplied Input Pin Activities
1.3.2.4. Signal Activities from User Defaults Only
1.5.1. Complete Design Simulation Power Analysis Flow
1.5.2. Modular Design Simulation Power Analysis Flow
1.5.3. Multiple Simulation Power Analysis Flow
1.5.4. Overlapping Simulation Power Analysis Flow
1.5.5. Partial Design Simulation Power Analysis Flow
1.5.6. Vectorless Estimation Power Analysis Flow
2.4.1. Clock Power Management
2.4.2. Pipelining and Retiming
2.4.3. Architectural Optimization
2.4.4. I/O Power Guidelines
2.4.5. Dynamically Controlled On-Chip Terminations (OCT)
2.4.6. Memory Optimization (M20K/MLAB)
2.4.7. DDR Memory Controller Settings
2.4.8. DSP Implementation
2.4.9. Reducing High-Speed Tile (HST) Usage
2.4.10. Unused Transceiver Channels
2.4.11. Periphery Power reduction XCVR Settings
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1.3.2. Specifying Signal Activity Data
The accuracy of the power estimation depends on how representative signal activity data is during power analysis. The Power Analyzer allows you to specify signal activity data from the following sources:
- .vcd files generated by simulation of the gate-level design netlist, by supported third-party simulators
- User-entered node, entity, and clock assignments
- User-entered default toggle rate assignment
- Vectorless estimation (selected devices)
You can mix and match the signal activity data sources on a signal-by-signal basis. The following figure shows the priority scheme applied to each signal.
Figure 5. Signal Activity Data Source Priority Scheme