OpenXiangShan/XiangShan
Nov 2024 – Nov 2024
1 Month active
Languages Used
Scala
Technical Skills
CPU ArchitectureHardware DesignRISC-V
Ziyue Zhang
PROFILE
Ziyue Zhang
Over a two-month period, this developer contributed to OpenXiangShan projects by building and enhancing features focused on CPU architecture and RISC-V systems. In the XiangShan repository, they improved vector operation reliability by eliminating stale vector destination values and refactoring the busy table for better vector length state management, using Scala and hardware design principles. Their work in NEMU introduced MMU-aware half-precision floating-point load/store support, ensuring correct memory translation for RVZFH instructions in C. Additionally, they enabled Zvbb extension support in riscv-isa-sim and updated Spike dependencies in ready-to-run, streamlining ISA feature coverage and validation pipelines across multiple environments.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
4Total
Bugs
0
Commits
4
Features
4
Lines of code
152
Activity Months2
Your Network
77 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