OpenXiangShan/XiangShan
Sep 2025 – Nov 2025
3 Months active
Languages Used
Scala
Technical Skills
Scalabackend developmenthardware designbranch predictionhardware simulationperformance optimization
Gao-Zeyu
PROFILE
Gao-zeyu
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
5Total
Bugs
2
Commits
5
Features
2
Lines of code
195
Activity Months3
Your Network
69 peopleSame Organization
@mails.ucas.ac.cn16
Work History
November 2025
2 Commits • 1 Features
Nov 1, 2025Monthly summary for OpenXiangShan/XiangShan - 2025-11: Delivered focused branch-prediction improvements and a critical redirect handling fix, with instrumentation enabling measurable validation of performance and reliability. Key outcomes include enhanced BPUnit behavior, robust redirect handling, and data-driven validation tooling that supports future optimizations and risk reduction in production workloads.
2 Commits • 1 Features
Nov 1, 2025Monthly summary for OpenXiangShan/XiangShan - 2025-11: Delivered focused branch-prediction improvements and a critical redirect handling fix, with instrumentation enabling measurable validation of performance and reliability. Key outcomes include enhanced BPUnit behavior, robust redirect handling, and data-driven validation tooling that supports future optimizations and risk reduction in production workloads.
November 2025
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for OpenXiangShan/XiangShan focused on stabilizing core training state handling and ensuring reliable initialization of training bits in the Ittage class. Implemented a targeted bug fix to correct x-state initialization when valid, preventing incorrect training behavior and improving model training reliability.
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for OpenXiangShan/XiangShan focused on stabilizing core training state handling and ensuring reliable initialization of training bits in the Ittage class. Implemented a targeted bug fix to correct x-state initialization when valid, preventing incorrect training behavior and improving model training reliability.
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 performance summary for OpenXiangShan/XiangShan focused on architectural refinement of the ITTAGE branch predictor and improved write buffering for the ittageTable. Delivered targeted enhancements to training update logic, introduced ITTAGE entry management structures, and replaced the wrbypass path with a writeBuffer to increase throughput. These changes are expected to reduce mispredictions and improve overall CPU throughput.
2 Commits • 1 Features
Sep 1, 2025September 2025 performance summary for OpenXiangShan/XiangShan focused on architectural refinement of the ITTAGE branch predictor and improved write buffering for the ittageTable. Delivered targeted enhancements to training update logic, introduced ITTAGE entry management structures, and replaced the wrbypass path with a writeBuffer to increase throughput. These changes are expected to reduce mispredictions and improve overall CPU throughput.
September 2025
Activity
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Quality Metrics
Correctness84.0%
Maintainability84.0%
Architecture84.0%
Performance84.0%
AI Usage24.0%
Skills & Technologies
Programming Languages
Scala
Technical Skills
Scalabackend developmentbranch predictionhardware designhardware simulationperformance optimization
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