Intel® Quartus® Prime Pro Edition User Guide: Design Compilation

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ID 683236
Date 12/19/2022
Public
Document Table of Contents
Document Table of Contents x
1. Answers to Top FAQs 2. Design Compilation 3. Reducing Compilation Time 4. Intel® Quartus® Prime Pro Edition User Guide Design Compilation Archives A. Intel® Quartus® Prime Pro Edition User Guides
2. Design Compilation x
2.1. Compilation Overview 2.2. Using the Compilation Dashboard 2.3. Design Netlist Infrastructure (Beta) 2.4. Design Synthesis 2.5. Design Place and Route 2.6. Incremental Optimization Flow 2.7. Fast Forward Compilation Flow 2.8. Full Compilation Flow 2.9. Exporting Compilation Results 2.10. Integrating Other EDA Tools 2.11. Synthesis Language Support 2.12. Compiler Optimization Techniques 2.13. Synthesis Settings Reference 2.14. Fitter Settings Reference 2.15. Design Compilation Revision History
2.1. Compilation Overview x
2.1.1. Compilation Flows 2.1.2. Compilation Hierarchy 2.1.3. Compilation Monitoring
2.3. Design Netlist Infrastructure (Beta) x
2.3.1. Exploring the RTL Analyzer (Beta) 2.3.2. Early Timing Analysis (Beta) 2.3.3. DNI Use Case Examples
2.3.1. Exploring the RTL Analyzer (Beta) x
2.3.1.1. Sweep Hints Viewer 2.3.1.2. Connectivity Tracer 2.3.1.3. Object Set Console 2.3.1.4. Module Interfaces 2.3.1.5. Bundled Instances 2.3.1.6. Auto-hide Unconnected Pins 2.3.1.7. Filtering Ports and Nets 2.3.1.8. Expand Connections
2.3.2. Early Timing Analysis (Beta) x
2.3.2.1. Synopsys* Design Constraint (SDC) on RTL 2.3.2.2. Post-Synthesis Static Timing Analysis (STA) 2.3.2.3. Types of SDC Files Used in the Intel® Quartus® Prime Software
2.3.2.1. Synopsys* Design Constraint (SDC) on RTL x
2.3.2.1.1. Registering the SDC-on-RTL SDC File 2.3.2.1.2. Applying the SDC-on-RTL Constraints 2.3.2.1.3. Inspecting SDC-on-RTL Constraints 2.3.2.1.4. Creating Constraints in SDC-on-RTL SDC Files
2.3.3. DNI Use Case Examples x
2.3.3.1. Scripting Routine Tasks Using DNI Tcl Commands 2.3.3.2. Traversing the DNI Netlist Using Tcl Commands
2.4. Design Synthesis x
2.4.1. Running Synthesis 2.4.2. Viewing Synthesis Reports 2.4.3. Viewing Synthesis Dynamic Report
2.4.1. Running Synthesis x
2.4.1.1. Preserving Registers During Synthesis 2.4.1.2. Preserving Signals for Monitoring and Debugging
2.5. Design Place and Route x
2.5.1. Running the Fitter 2.5.2. Viewing Fitter Reports
2.5.1. Running the Fitter x
2.5.1.1. Fitter Commands 2.5.1.2. Disabling or Enabling Physical Synthesis Optimization
2.5.2. Viewing Fitter Reports x
2.5.2.1. Plan Stage Reports 2.5.2.2. Place Stage Reports 2.5.2.3. Route Stage Reports 2.5.2.4. Retime Stage Reports 2.5.2.5. Finalize Stage Reports
2.5.2.2. Place Stage Reports x
2.5.2.2.1. Global Signal Visualization Report
2.5.2.3. Route Stage Reports x
2.5.2.3.1. Global Router Congestion Hotspot Summary Report 2.5.2.3.2. Global Router Wire Utilization Map Report
2.6. Incremental Optimization Flow x
2.6.1. Concurrent Analysis During Synthesis or Fitting 2.6.2. Analyzing Compiler Snapshots 2.6.3. Validating Periphery (I/O) after the Plan Stage
2.6.2. Analyzing Compiler Snapshots x
2.6.2.1. Running Snapshot Viewer
2.6.2.1. Running Snapshot Viewer x
2.6.2.1.1. Analyzing Failing Paths with Snapshot Viewer 2.6.2.1.2. Analyzing Clocking with Snapshot Viewer 2.6.2.1.3. Analyzing High Fan-out Nets with Snapshot Viewer 2.6.2.1.4. Validating Timing Constraints with Snapshot Viewer 2.6.2.1.5. Analyzing Congestion with Snapshot Viewer
2.7. Fast Forward Compilation Flow x
2.7.1. Step 1: Run Register Retiming 2.7.2. Step 2: Review Retiming Results 2.7.3. Step 3: Run Fast Forward Compile 2.7.4. Step 4: Review Fast Forward Results 2.7.5. Step 5: Implement Fast Forward Recommendations 2.7.6. Retiming Restrictions and Workarounds
2.7.2. Step 2: Review Retiming Results x
2.7.2.1. Locate Critical Chains
2.7.3. Step 3: Run Fast Forward Compile x
2.7.3.1. Fast Forward Compile By Hierarchy 2.7.3.2. HyperFlex Settings
2.7.4. Step 4: Review Fast Forward Results x
2.7.4.1. Clock Fmax Summary Report 2.7.4.2. Fast Forward Details Report
2.8. Full Compilation Flow x
2.8.1. Full Compilation Flow with Temporary Optimization Mode
2.9. Exporting Compilation Results x
2.9.1. Exporting a Version-Compatible Compilation Database 2.9.2. Importing a Version-Compatible Compilation Database 2.9.3. Creating a Design Partition 2.9.4. Exporting a Design Partition 2.9.5. Reusing a Design Partition 2.9.6. Viewing Quartus Database File Information 2.9.7. Clearing Compilation Results
2.9.6. Viewing Quartus Database File Information x
2.9.6.1. QDB File Attribute Types
2.10. Integrating Other EDA Tools x
2.10.1. Generating a VQM Netlist for other EDA Tools
2.11. Synthesis Language Support x
2.11.1. Verilog and SystemVerilog Synthesis Support 2.11.2. VHDL Synthesis Support
2.11.1. Verilog and SystemVerilog Synthesis Support x
2.11.1.1. Verilog HDL Input Settings (Settings Dialog Box) 2.11.1.2. Design Libraries 2.11.1.3. Verilog HDL Configuration 2.11.1.4. Initial Constructs and Memory System Tasks 2.11.1.5. Verilog HDL Macros
2.11.1.3. Verilog HDL Configuration x
2.11.1.3.1. Hierarchical Design Configurations
2.11.2. VHDL Synthesis Support x
2.11.2.1. VHDL Input Settings (Settings Dialog Box) 2.11.2.2. VHDL Standard Libraries and Packages 2.11.2.3. VHDL wait Constructs 2.11.2.4. VHDL-2019 Conditional Analysis Tool Directives
2.12. Compiler Optimization Techniques x
2.12.1. Compiler Optimization Modes 2.12.2. Allow Register Retiming 2.12.3. Automatic Gated Clock Conversion 2.12.4. Enable Intermediate Fitter Snapshots 2.12.5. Fast Preserve Option 2.12.6. Fractal Synthesis Optimization
2.12.6. Fractal Synthesis Optimization x
2.12.6.1. Enabling or Disabling Fractal Synthesis
2.13. Synthesis Settings Reference x
2.13.1. Advanced Synthesis Settings
3. Reducing Compilation Time x
3.1. Factors Affecting Compilation Results 3.2. Strategies to Reduce the Overall Compilation Time 3.3. Reducing Synthesis Time and Synthesis Netlist Optimization Time 3.4. Reducing Placement Time 3.5. Reducing Routing Time 3.6. Reducing Static Timing Analysis Time 3.7. Setting Process Priority 3.8. Reducing Compilation Time Revision History
3.2. Strategies to Reduce the Overall Compilation Time x
3.2.1. Running the ECO Compilation Flow 3.2.2. Enabling Multi-Processor Compilation 3.2.3. Using Block-Based Compilation
3.3. Reducing Synthesis Time and Synthesis Netlist Optimization Time x
3.3.1. Settings to Reduce Synthesis Time and Synthesis Netlist Optimization Time 3.3.2. Use Appropriate Coding Style to Reduce Synthesis Time
3.4. Reducing Placement Time x
3.4.1. Placement Effort Multiplier Settings
3.5. Reducing Routing Time x
3.5.1. Identifying Routing Congestion with the Chip Planner
3.5.1. Identifying Routing Congestion with the Chip Planner x
3.5.1.1. Areas with Routing Congestion 3.5.1.2. Congestion due to HDL Coding style
1. Answers to Top FAQs
2. Design Compilation
3. Reducing Compilation Time
4. Intel® Quartus® Prime Pro Edition User Guide Design Compilation Archives
A. Intel® Quartus® Prime Pro Edition User Guides

2.15. Design Compilation Revision History

This document has the following revision history.
Document Version Intel® Quartus® Prime Version Changes
2022.12.19 22.4
  • Added Filtering.
  • Added Expand Connections.
  • Revised Object Set Console with additional information and images.
2022.09.26 22.3
  • Added Early Timing Analysis (Beta).
  • Added Synopsys* Design Constraint (SDC) on RTL.
  • Added Registering the SDC-on-RTL SDC File.
  • Added Applying the SDC-on-RTL Constraints.
  • Added Managing SDC-on-RTL Constraints.
  • Added Writing Constraints in SDC-on-RTL SDC Files.
  • Added Post-synthesis Static Timing Analysis (STA).
  • Added Types of SDC Files Used in the Intel® Quartus® Prime Software.
  • Added Object Set Console.
  • Added Module Interfaces.
  • Added Connectivity Tracer.
  • Added DNI Use Case Examples.
  • Added Scripting Routine Tasks Using DNI Tcl Commands.
  • Added Traversing the DNI Netlist Using Tcl Commands.
  • Added Viewing Synthesis Dynamic Report.
  • Split the topic Instances Bundling and Auto-hiding Unconnected Pins into separate topics Bundled Instances and Auto-hide Unconnected Pins.
  • Revised Bundled Instances with additional information.
  • Revised images in Exploring the RTL Analyzer and Design Netlist Infrastructure (DNI).
2022.06.21 22.2
  • Added Design Netlist Infrastructure (DNI).
  • Added Exploring the RTL Analyzer.
  • Added Module Interfaces.
  • Added Instances Bundling and Auto-hiding Unconnected Pins.
2022.03.28 22.1
  • Added Compilation Monitoring.
  • Added Global Router Congestion Hotspot Summary Report.
  • Revised Full Compilation Flow.
  • Added Full Compilation Flow with Temporary Optimization Mode.
2022.01.27 21.4
  • Revised Compiler Optimization Modes topic to provide implication details of various modes.
2021.11.03 21.3
  • Made a minor correction in Reusing a Design Partition step 4.
  • Removed the callouts from Creating a Design Partition topic.
2021.10.04 21.3
  • Added Preserving Signals for Monitoring and Debugging topic.
  • Revised Preserving Registers During Synthesis topic for new debugging signal preservation assignments.
  • Revised Viewing Synthesis Reports topic to include new warnings summary reports.
  • Revised Optimization Modes topic to include new optimization modes.
  • Revised VHDL Synthesis Support to include VHDL 2019 support.
  • Revised VHDL Input Settings (Settings Dialog Box) topic to include VHDL 2019 support.
  • Added VHDL-2019 Conditional Analysis topic.
2021.06.21 21.2
  • Added Version-Compatible Compilation Database Support table.
2021.03.29 21.1
  • Added Check Unregistered Ports report to "Validating Timing Constraints with Snapshot Viewer" topic.
  • Updated "Running Snapshot Viewer" topic to indicate the reports that are available after the final snapshot.
  • Removed reference to Rapid Recompile from "Enable Intermediate Filter Snapshots". Support for Rapid Recompile has been removed.
  • Added information to "Using the Compilation Dashboard" to indicate that an interrupted compilation flow can be resumed.
2020.12.14 20.3
  • Corrected typo in "Automatic Gated Clock Conversion" topic.
2020.11.09 20.3
  • Added new "Integrating Other EDA Tools" topic.
  • Added new "Generating a VQM Netlist for Other EDA Tools" topic.
2020.09.28 20.3
  • Added references to ECO Compilation Flow.
  • Removed references to deprecated Early Place Compiler flow.
2020.05.08 20.1
  • Added note about programming file differences between versions to "Compilation Overview" topic.
2020.04.13 20.1
  • Added new "Fast Forward Compile by Hierarchy" topic.
  • Added new assignment to "Fitter Settings Reference" topic..
  • Updated "Verilog and SystemVerilog Synthesis Support" topic for SystemVerilog 2012 support.
  • Added programming file generation support for Intel® Agilex™ devices.
  • Added "Analyzing with the Snapshot Viewer" topic.
  • Added "Running the Snapshot Viewer" topic.
  • Added "Analyzing Failing Paths with Snapshot Viewer" topic.
  • Added "Analyzing Clocking with Snapshot Viewer" topic.
  • Added "Analyzing High Fan-Out Nets with Snapshot Viewer" topic.
  • Added "Analyzing Constraints with Snapshot Viewer" topic.
  • Added "Analyzing Congestion with Snapshot Viewer" topic.
  • Removed Early Place Flow
  • Removed Synthesis Reports figure and table.
  • Removed Heat-Map in Global Signal Visualization Report figure
  • Changed sentence in Fast Forward Compilation to The Fitter automatically retimes registers across RAM and DSP blocks from The Fitter does not automatically retime registers across RAM and DSP blocks.
  • Added more Preservation Level information to Design Partition table.
2019.10.20 19.3
  • Added "Automatic Gated Clock Conversion" topic.
  • Updated "Fractal Synthesis Optimization" and "Enabling or Disabling Fractal Synthesis" topics for automated fractal synthesis for small multipliers.
2019.09.30 19.3
  • Added support for Intel® Agilex™ devices throughout.
  • Added "Global Signal Visualization Report" topic.
  • Added "Global Router Wire Utilization Map" topic.
  • Added "Fast Preserve Option" topic.
  • Reordering of some topics to match design flow.
2019.07.02 19.1
  • Made minor changes in "Fractal Synthesis Optimization" topic.
  • Added a note in step 3a of "Running Synthesis" about enabling fractal synthesis project-wide.
  • Added details about synthesis of PRESERVE_FANOUT_FREE_NODE to "Partial Reconfiguration Design Guidelines."
  • Corrected typo in "Step 3: Run Fast Forward Compile and Hyper-Retiming."
  • Removed "Enabling Timing-Driven Synthesis" topic.
2019.04.01 19.1
  • In "Running Synthesis", removed a step about enabling fractal synthesis project-wide.
  • Updated the "Fractal Synthesis Optimization" topic to describe signed multiplication feature that is now supported by multiplier regularization and arithmetic packing algorithms.
2019.01.03 18.1.0
  • Added snapshot description to "Compilation Overview" and linked to content from "Exporting a Design Partition" and "Exporting a Version-Compatible Compilation Database."
2018.10.19 18.1
  • Described dependency of Rapid Recompile on Enable Intermediate Fitter Snapshots option.
2018.09.24 18.1
  • Described option to enable or disable intermediate Fitter snapshots and updated descriptions of compilation flows and dashboard accordingly.
  • Added "Exporting Compilation Results section and subtopics."
  • Described migration of full chip database in "Exporting a Version-Compatible Compilation Database" topic.
  • Described automated .qdb partition export in "Exporting a Design Partition" topic.
  • Described viewing QDB file metadata in "Viewing Quartus Database File Information."
  • Added "Fractal Synthesis Optimization" topic and updated "Running Synthesis" topic steps for new option.
  • Described new Compiler Optimization Modes and described notice that appears for extended optimization modes added via .qsf.
  • Described new Global Signal Visualization Report.
  • Added "Factors Affecting Compilation Results" topic.
  • Added "Using the Compilation Dashboard" topic.
  • Added description of Enable Auto-Pipelining setting.
  • Added description of Enable Formal Verification Support to "Advanced Synthesis Settings."
  • Added description of Report PR Initial Values as Errors option to "Advanced Synthesis Settings."
  • Added description of Size of the Latch Report option to "Advanced Synthesis Settings."
  • Added description of Size of the PR Initial Conditions Report option to "Advanced Synthesis Settings."
  • Added description of Advanced Physical Synthesis option to "Fitter Settings Reference."
  • Added description of Allow DSP Retiming option to "Fitter Settings Reference."
  • Added description of Allow Early Global Retiming in the Fitter option to "Fitter Settings Reference."
  • Added description of Allow Hyper-Aware Register Chain Area Optimizations in the Fitter option to "Fitter Settings Reference."
  • Added description of Allow RAM Retiming option to "Fitter Settings Reference."
  • Added description of Number of Example Nodes Reported in Fitter Messages option to "Fitter Settings Reference."
  • Added description of Physical Placement Effort option to "Fitter Settings Reference."
  • Added description of Use Checkered Pattern as uninitialized RAM Content option to "Fitter Settings Reference."
  • Updated description of Safe State Machine option for Auto setting.
  • Removed support for Ignore ROW GLOBAL Buffers option.
  • Removed support for Ignore CARRY Buffers option.
  • Removed support for Ignore CASCADE Buffers option.
2018.05.07 18.0
  • Updated Optimization Modes topic to add Compile Time (Aggressive).
  • Relocated concurrent analysis content from the Early Place Flow topic to a new Concurrent Analysis During Synthesis or Fitting topic.
  • Rapid Recompile now supports Intel® Stratix® 10 devices.
  • Enhanced description of Retime Stage Reports.
  • Enhanced description of Retime Stage to include classic register retiming.
Table 56.  Document Revision History

Date

Version

Changes

2017.11.06 17.1.0
  • Added support for Intel® Stratix® 10 Hyper-Aware design flow, Hyper-Retiming, Fast Forward compilation, and Fast Forward Viewer.
  • Added Advanced HyperFlex Settings topic.
  • Added Retiming Restrictions and Workarounds topic.
  • Added statement about Fast Forward compilation support for retiming across RAM and DSP blocks.
  • Added Concurrent Analysis topic.
  • Added Analyzing Fitter Snapshots topic.
  • Added Compilation Dashboard Early Place stage control image.
  • Added Running late_place After Early Place topic.
  • Updated for latest Intel® naming conventions.
2017.05.08 17.0.0
  • Added reference to initial compilation support for Cyclone® 10 GX devices.
  • Described concurrent analysis following Early Place.
  • Updated Compilation Dashboard images for Timing Analyzer, Report, Setting, and Concurrent Analysis controls.
  • Updated description for Auto DSP Block Replacement in Advanced Synthesis Settings.
  • Updated Advanced Fitter Settings for Allow Register Retiming, and for removal of obsolete SSN Optimization option.
  • Added Prevent Register Retiming topic.
  • Added Preserve Registers During Synthesis topic.
  • Removed limitation for Safe State Machine logic option.
  • Added references to Partial Reconfiguration and Block-Based Design Flows.
2016.10.31 16.1.0
  • Implemented Intel re-branding.
  • Described Compiler snapshots and added Analyzing Snapshot Timing topic.
  • Updated project directory structure diagram.
  • Described new Fitter stage menu commands and reports.
  • Added description of Early Place Flow, Implement Flow, and Finalize Flow.
  • Added description of Incremental Optimization in the Fitter.
  • Reorganized order of topics in chapter.
  • Removed deprecated Per-Stage Compilation (Beta) Compilation Flow.
2016.05.03 16.0.0
  • Added description of Fitter Plan, Place and Route stages, reporting, and optimization.
  • Added Per-Stage Compilation (Beta) Compilation Flow
  • Added Compilation Dashboard information.
  • Removed support for Safe State Machine logic option. Encode safe states in RTL.
  • Added Generating Dynamic Synthesis Reports topic.
  • Updated Quartus project directory structure.
2015.11.02 15.1.0
  • First version of document.
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