OpenXiangShan/XiangShan
Nov 2024 – Nov 2024
1 Month active
Languages Used
Scala
Technical Skills
CPU ArchitectureHardware DesignRISC-V
Ziyue Zhang
PROFILE
Ziyue Zhang
Ziyue Zhang contributed to the OpenXiangShan project by developing enhancements across CPU architecture and embedded systems, focusing on RISC-V platforms. In the XiangShan repository, Zhang engineered a vector length state management feature that refactored the busy table and eliminated stale vector destination values, improving the reliability and correctness of vector operations. In December, Zhang expanded instruction set coverage in NEMU by implementing MMU-aware half-precision floating-point load/store support and enabled the Zvbb extension in riscv-isa-sim and ready-to-run, updating dependencies for streamlined validation. The work demonstrated depth in hardware design and C/Scala programming, addressing correctness and verification challenges.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
4Total
Bugs
0
Commits
4
Features
4
Lines of code
152
Activity Months2
Your Network
75 peopleSame Organization
@mails.ucas.edu.cn2
Work History
December 2024
3 Commits • 3 Features
Dec 1, 2024December 2024 performance summary focused on expanding ISA feature coverage, improving correctness under MMU, and stabilizing end-to-end validation pipelines across NEMU, riscv-isa-sim, and ready-to-run. Key work included enabling Zvbb support and MMU-aware half-precision FP operations, plus updating build-time dependencies to streamline verification.
3 Commits • 3 Features
Dec 1, 2024December 2024 performance summary focused on expanding ISA feature coverage, improving correctness under MMU, and stabilizing end-to-end validation pipelines across NEMU, riscv-isa-sim, and ready-to-run. Key work included enabling Zvbb support and MMU-aware half-precision FP operations, plus updating build-time dependencies to streamline verification.
December 2024
November 2024
1 Commits • 1 Features
Nov 1, 2024Concise monthly summary for 2024-11 focused on OpenXiangShan/XiangShan: Delivered a Vector Length State Management Enhancement that eliminates stale vector destination (vd) values when reading vector length (vl) state and refactors the busy table to support new read/write ports for vector length information. This improves correctness and performance of vector operations, reduces stale data risks, and strengthens the vector path reliability.
November 2024
1 Commits • 1 Features
Nov 1, 2024Concise monthly summary for 2024-11 focused on OpenXiangShan/XiangShan: Delivered a Vector Length State Management Enhancement that eliminates stale vector destination (vd) values when reading vector length (vl) state and refactors the busy table to support new read/write ports for vector length information. This improves correctness and performance of vector operations, reduces stale data risks, and strengthens the vector path reliability.
Activity
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Quality Metrics
Correctness95.0%
Maintainability90.0%
Architecture90.0%
Performance92.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
CScala
Technical Skills
CPU ArchitectureEmbedded SystemsHardware DesignRISC-V
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
OpenXiangShan/NEMU
Dec 2024 – Dec 2024
1 Month active
Languages Used
C
Technical Skills
CPU ArchitectureEmbedded SystemsRISC-V
OpenXiangShan/riscv-isa-sim
Dec 2024 – Dec 2024
1 Month active
Languages Used
C
Technical Skills
Embedded SystemsRISC-V
OpenXiangShan/ready-to-run
Dec 2024 – Dec 2024
1 Month active
Languages Used
No languages
Technical Skills
No skills