Intel® Quartus® Prime Standard Edition User Guide: Power Analysis and Optimization

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ID 683506
Date 9/24/2018
Public
Document Table of Contents
Document Table of Contents x
1. Power Analysis 2. Power Optimization A. Intel® Quartus® Prime Standard Edition User Guides
1. Power Analysis x
1.1. Comparison of the EPE and the Intel® Quartus® Prime Power Analyzer 1.2. Power Estimations and Design Requirements 1.3. Power Analyzer Walkthrough 1.4. Inputs for the Power Analyzer 1.5. Power Analysis in Modular Design Flows 1.6. Power Analyzer Compilation Report 1.7. Scripting Support 1.8. Power Analysis Revision History
1.4. Inputs for the Power Analyzer x
1.4.1. Operating Settings and Conditions 1.4.2. Sources for Signal Activity Data
1.4.2. Sources for Signal Activity Data x
1.4.2.1. Waveforms from Supported Simulators 1.4.2.2. .vcd Files from Third-Party Simulation Tools 1.4.2.3. Signal Activities from RTL (Functional) Simulation, Supplemented by Vectorless Estimation 1.4.2.4. Signal Activities from Vectorless Estimation and User-Supplied Input Pin Activities 1.4.2.5. Signal Activities from User Defaults Only
1.4.2.2. .vcd Files from Third-Party Simulation Tools x
1.4.2.2.1. Generating a .vcd in a EDA Simulation Tool 1.4.2.2.2. Generating a .vcd from ModelSim® Software
1.4.2.3. Signal Activities from RTL (Functional) Simulation, Supplemented by Vectorless Estimation x
1.4.2.3.1. RTL Simulation Limitation
1.5. Power Analysis in Modular Design Flows x
1.5.1. Complete Design Simulation 1.5.2. Modular Design Simulation 1.5.3. Multiple Simulations on the Same Entity 1.5.4. Overlapping Simulations 1.5.5. Partial Simulations 1.5.6. Node Name Matching Considerations 1.5.7. Glitch Filtering 1.5.8. Node and Entity Assignments 1.5.9. Default Toggle Rate Assignment 1.5.10. Vectorless Estimation
1.5.5. Partial Simulations x
1.5.5.1. Specifying Start and End Time when Performing Signal-Activity Calculations using the Limit VCD Period Option
1.5.7. Glitch Filtering x
1.5.7.1. Enabling Tool Based Glitch Filtering 1.5.7.2. Enabling Glitch Filtering During Power Analysis
1.5.8. Node and Entity Assignments x
1.5.8.1. Timing Assignments to Clock Nodes
1.7. Scripting Support x
1.7.1. Running the Power Analyzer from the Command–Line
2. Power Optimization x
2.1. Factors Affecting Power Consumption 2.2. Power Dissipation 2.3. Design Space Explorer II for Power-Driven Optimization 2.4. Power-Driven Compilation 2.5. Design Guidelines 2.6. Power Optimization Advisor 2.7. Power Optimization Revision History
2.1. Factors Affecting Power Consumption x
2.1.1. Design Activity and Power Analysis 2.1.2. Device Selection 2.1.3. Environmental Conditions 2.1.4. Device Resource Usage 2.1.5. Signal Activity
2.1.4. Device Resource Usage x
2.1.4.1. Number, Type, and Loading of I/O Pins 2.1.4.2. Number and Type of Hard Logic Blocks 2.1.4.3. Number and Type of Global Signals
2.1.5. Signal Activity x
2.1.5.1. Toggle Rate 2.1.5.2. Static Probability
2.4. Power-Driven Compilation x
2.4.1. Power-Driven Synthesis 2.4.2. Power-Driven Fitter 2.4.3. Area-Driven Synthesis 2.4.4. Gate-Level Register Retiming 2.4.5. Intel® Quartus® Prime Compiler Settings 2.4.6. Assignment Editor Options
2.4.1. Power-Driven Synthesis x
2.4.1.1. Memory Block Optimization 2.4.1.2. Power-Aware Logic Mapping 2.4.1.3. Power-Aware Memory Balancing
2.5. Design Guidelines x
2.5.1. Clock Power Management 2.5.2. Pipelining and Retiming 2.5.3. Architectural Optimization 2.5.4. I/O Power Guidelines 2.5.5. Memory Optimization (M20K/MLAB) 2.5.6. DDR Memory Controller Settings 2.5.7. DSP Implementation 2.5.8. Reducing High-Speed Tile (HST) Usage 2.5.9. Unused Transceiver Channels 2.5.10. Periphery Power reduction XCVR Settings
2.5.1. Clock Power Management x
2.5.1.1. Clock Enable in Memory Blocks 2.5.1.2. LAB Clock Power 2.5.1.3. Clock Enables 2.5.1.4. Global Signals 2.5.1.5. Merge Clocks
2.5.1.1. Clock Enable in Memory Blocks x
2.5.1.1.1. Memory Power Reduction Example
2.5.1.2. LAB Clock Power x
2.5.1.2.1. LAB-Wide Clock Enable Example
2.5.1.4. Global Signals x
2.5.1.4.1. Viewing Clock Details in the Chip Planner
2.5.5. Memory Optimization (M20K/MLAB) x
2.5.5.1. Implementation 2.5.5.2. Rd/Wr Enables
2.5.10. Periphery Power reduction XCVR Settings x
2.5.10.1. Transceiver Settings 2.5.10.2. I/O Current Strength
2.6. Power Optimization Advisor x
2.6.1. Set Realistic Timing Constraints 2.6.2. Appropriate Device Family 2.6.3. Dynamic Power 2.6.4. Static Power 2.6.5. Appropriate I/O Standards 2.6.6. Use RAM Blocks 2.6.7. Shut Down RAM Blocks 2.6.8. Clock Enables on Logic 2.6.9. Pipeline Logic to Reduce Glitching
2.6.1. Set Realistic Timing Constraints x
2.6.1.1. Find Timing Information
1. Power Analysis
2. Power Optimization
A. Intel® Quartus® Prime Standard Edition User Guides

2.7. Power Optimization Revision History

The following revision history applies to this chapter:

Table 12.  Document Revision History
Document Version Intel® Quartus® Prime Version Changes
2018.09.24 18.1.0
  • Initial release in Intel Quartus Prime Standard Edition User Guide.
  • Added topic: Factors Affecting Power Consumption, moved from chapter: Power Analysis
  • Extended content about Power Optimization Advisor with a description of recommendations.
  • Added design guidelines: DDR Memory Controller Settings, DSP Implementation, Reducing High-Speed Tile (HST) Usage, Unused Transceiver Channels, Periphery Power reduction XCVR Settings
2018.06.11 18.0.0
  • Moved general information about the Design Space Explorer (DSE II) to the Design Optimization Overview chapter, left a section about using DSE II for Power-Driven Optimization.
2018.05.07 18.0.0
  • Moved general information about the Design Space Explorer (DSE II) to the Design Optimization Overview chapter, left a section about using DSE II for Power-Driven Optimization.
2016.10.31 16.1.0
  • Removed statement of support for gate-level timing simulation.
2015.11.02 15.1.0 Changed instances of Quartus II to Intel® Quartus® Prime .
  • Updated screenshot for DSE II GUI.
  • Added information about remote hosts for DSE II.
2014.12.15 14.1.0
  • Updated location of Fitter Settings, Analysis & Synthesis Settings, and Physical Synthesis Optimizations to Compiler Settings.
  • Updated DSE II GUI and optimization settings.
2014.06.30 14.0.0 Updated the format.
May 2013 13.0.0 Added a note to “Memory Power Reduction Example” on Qsys and SOPC Builder power savings limitation for on-chip memory block.
June 2012 12.0.0 Removed survey link.
November 2011 10.0.2 Template update.
December 2010 10.0.1 Template update.
July 2010 10.0.0
  • Was chapter 11 in the 9.1.0 release
  • Updated Figures 14-2, 14-3, 14-6, 14-18, 14-19, and 14-20
  • Updated device support
  • Minor editorial updates
November 2009 9.1.0
  • Updated Figure 11-1 and associated references
  • Updated device support
  • Minor editorial update
March 2009 9.0.0
  • Was chapter 9 in the 8.1.0 release
  • Updated for the Quartus II software release
  • Added benchmark results
  • Removed several sections
  • Updated Figure 13–1, Figure 13–17, and Figure 13–18
November 2008 8.1.0
  • Changed to 8½” × 11” page size
  • Changed references to altsyncram to RAM
  • Minor editorial updates
May 2008 8.0.0
  • Added support for Stratix IV devices
  • Updated Table 9–1 and 9–9
  • Updated “Architectural Optimization” on page 9–22
  • Added “Dynamically-Controlled On-Chip Terminations” on page 9–26
  • Updated “Referenced Documents” on page 9–29
  • Updated references
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