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2.1. Compilation Overview
2.2. Using the Compilation Dashboard
2.3. Design Synthesis
2.4. Design Place and Route
2.5. Incremental Optimization Flow
2.6. Fast Forward Compilation Flow
2.7. Full Compilation Flow
2.8. Exporting Compilation Results
2.9. Integrating Other EDA Tools
2.10. Synthesis Language Support
2.11. Compiler Optimization Techniques
2.12. Synthesis Settings Reference
2.13. Fitter Settings Reference
2.14. Design Compilation Revision History
2.8.1. Exporting a Version-Compatible Compilation Database
2.8.2. Importing a Version-Compatible Compilation Database
2.8.3. Creating a Design Partition
2.8.4. Exporting a Design Partition
2.8.5. Reusing a Design Partition
2.8.6. Viewing Quartus Database File Information
2.8.7. Clearing Compilation Results
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
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3.3.2. Use Appropriate Coding Style to Reduce Synthesis Time
Your HDL coding style can also affect the synthesis time. For example, if you want to infer RAM blocks from your code, you must follow the guidelines for inferring RAMs. If RAM blocks are not inferred properly, the software implements those blocks as registers.
If you are trying to infer a large memory block, the software consumes more resources on the FPGA. This can cause routing congestion and increases compilation time significantly. If you see high routing utilization in certain blocks, review the code for such blocks.