YosysHQ/yosys
Apr 2025 – May 2025
2 Months active
Languages Used
SystemVerilogTclVerilog
Technical Skills
Digital DesignDigital Logic DesignFPGA DevelopmentHardware Description LanguageHardware Description Language (HDL)Verilog
Adrien Prost-Boucle
PROFILE
Adrien Prost-boucle
Contributed to the YosysHQ/yosys open-source synthesis tool by enhancing FPGA memory mapping and improving edge-case handling in digital logic modules. Developed a scalable single-port URAM mapping supporting 144-bit width and 2048-depth, introducing a dedicated Verilog module for width conversion and port configuration, and added automated tests to ensure reliable synthesis for memory-intensive designs. Addressed URAM port indexing warnings by correcting bit widths and alignment, increasing synthesis robustness. Additionally, fixed Xilinx all-x edge-case handling across mux and shift modules, refactoring logic to improve maintainability and correctness. Work utilized SystemVerilog, Verilog, and digital logic design expertise throughout both feature and bugfix efforts.
Overall Statistics
Feature vs Bugs
33%Features
Repository Contributions
5Total
Bugs
2
Commits
5
Features
1
Lines of code
243
Activity Months2
Your Network
100 peopleSame Organization
@univ-grenoble-alpes.fr13
Shared Repositories
87
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Work History
May 2025
3 Commits • 1 Features
May 1, 2025In May 2025, delivered a scalable URAM mapping enhancement in Yosys to support large single-port memories (144-bit width, 2048-depth). Introduced a dedicated URAM type and Verilog module to manage width conversion and port configurations, enabling larger on-chip memories and more efficient FPGA designs. Added automated tests for 2048 x 144b to validate the mapping and ensure reliability. Fixed URAM port indexing warnings by correcting bit widths and alignment, improving synthesis robustness. These changes expand design space for memory-intensive blocks, reduce external memory dependency, and align with the project’s roadmap and customer needs.
3 Commits • 1 Features
May 1, 2025In May 2025, delivered a scalable URAM mapping enhancement in Yosys to support large single-port memories (144-bit width, 2048-depth). Introduced a dedicated URAM type and Verilog module to manage width conversion and port configurations, enabling larger on-chip memories and more efficient FPGA designs. Added automated tests for 2048 x 144b to validate the mapping and ensure reliability. Fixed URAM port indexing warnings by correcting bit widths and alignment, improving synthesis robustness. These changes expand design space for memory-intensive blocks, reduce external memory dependency, and align with the project’s roadmap and customer needs.
May 2025
April 2025
2 Commits
Apr 1, 2025Concise monthly summary for 2025-04 focusing on YosysHQ/yosys bug fix: Xilinx all-x edge-case handling across mux and shift modules. The work improves robustness for all-x inputs and clarity of the all-x trimming logic. This reduces risk of incorrect synthesis results in Xilinx flows and improves maintainability.
April 2025
2 Commits
Apr 1, 2025Concise monthly summary for 2025-04 focusing on YosysHQ/yosys bug fix: Xilinx all-x edge-case handling across mux and shift modules. The work improves robustness for all-x inputs and clarity of the all-x trimming logic. This reduces risk of incorrect synthesis results in Xilinx flows and improves maintainability.
Activity
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Quality Metrics
Correctness86.0%
Maintainability80.0%
Architecture84.0%
Performance68.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
SystemVerilogTclVerilog
Technical Skills
Digital DesignDigital Logic DesignFPGA DesignFPGA DevelopmentHardware Description LanguageHardware Description Language (HDL)Memory MappingVerificationVerilog
Repositories Contributed To
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