AN 903: Accelerating Timing Closure: in Intel® Quartus® Prime Pro Edition

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ID 683664
Date 2/25/2021
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Document Table of Contents
Document Table of Contents x
1. AN 903: Accelerating Timing Closure in Intel® Quartus® Prime Pro Edition
1. AN 903: Accelerating Timing Closure in Intel® Quartus® Prime Pro Edition x
1.1. Step 1: Analyze and Optimize Design RTL 1.2. Step 2: Apply Compiler Optimization Techniques 1.3. Step 3: Preserve Satisfactory Results 1.4. AN 903 Document Revision History
1.1. Step 1: Analyze and Optimize Design RTL x
1.1.1. Correct Design Assistant Violations 1.1.2. Reduce Logic Levels 1.1.3. Reduce High Fan-Out Nets
1.2. Step 2: Apply Compiler Optimization Techniques x
1.2.1. Apply Compiler Optimization Modes and Strategies 1.2.2. Reduce Congestion for High Utilization
1.2.2. Reduce Congestion for High Utilization x
1.2.2.1. Experiment with Area and Routability Options 1.2.2.2. Consider Fractal Synthesis for Arithmetic-Intensive Designs
1.2.2.2. Consider Fractal Synthesis for Arithmetic-Intensive Designs x
1.2.2.2.1. Enabling or Disabling Fractal Synthesis
1.3. Step 3: Preserve Satisfactory Results x
1.3.1. Lock Down Clocks, RAMs, and DSPs 1.3.2. Preserve Design Partition Results
1.3.2. Preserve Design Partition Results x
1.3.2.1. Design Partition Settings
1. AN 903: Accelerating Timing Closure in Intel® Quartus® Prime Pro Edition

1.2.2. Reduce Congestion for High Utilization

Designs that utilize over 80% of device resources typically present the most difficulty in timing closure.
You can apply the following manual and automated techniques to further reduce congestion and simplify timing closure.
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