Yakui Zhao
Linux Graphics Engineer at Intel corportation
Minhang District, Shanghai, China
Summary
🤩
RockstarYakui Zhao is a Linux graphics engineer with 26 years of experience, currently contributing to Intel from Minhang District, Shanghai. He specializes in low-level graphics and virtualization subsystems, having improved stability and performance in the ACRN hypervisor and advanced VP9 and AVC support in Intel’s media stack. His work spans kernel ACPI power management, hypervisor VMEXIT/MMIO/CPUID handling, and media-driver optimizations—demonstrating fluency across hardware-facing software layers. Notably, he has added codec features that pass HRD tests and enhanced hypervisor handling of EDID and scanout windows, reflecting attention to both standards compliance and real-world device interoperability. Colleagues rely on him for complex, performance-sensitive fixes that bridge device behavior and compiler/hardware quirks.
26 years of coding experience
Github Skills (33)
acr10
assembly10
c-language10
video-encoding10
hyper-v10
c-programming10
c1110
linux-kernel10
mio10
power-management10
decoding10
x8610
c1710
media10
hyper10
Programming languages (2)
Github contributions (5)
intel/libva
Aug 2012 - Jun 2017
Libva is an implementation for VA-API (Video Acceleration API)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:24 commits, 1 PR, 14 comments in 4 years 11 months
Contributions summary:Yakui primarily contributed to the `intel/libva` repository, focusing on enhancing the video encoding capabilities. Their work involved adding support for the SEI segment in CBR mode for AVC encoding, crucial for passing HRD tests. They also modified the MPEG2 encoding by initializing the `f_code` based on supported levels. Additionally, they generalized the avcenc test case, including display and encoding order, reference lists, and IDR frame insertions. Furthermore, the user introduced an ROI example to the avcenc test.
apiaccelerationvideo-decodingvideo-processingvideo-api
projectacrn/acrn-hypervisor
Mar 2018 - Sep 2022
Project ACRN hypervisor
Role in this project:Back-end Developer
Back-end DeveloperContributions:85 reviews, 119 commits, 45 PRs in 4 years 7 months
Contributions summary:Yakui primarily focused on low-level hypervisor development, as evidenced by the code changes within the ACRN hypervisor project. They implemented and modified code related to virtual machine exit handling (vmexit), memory-mapped I/O (MMIO) operations, and CPUID emulation, specifically addressing optimization and correctness issues. Their contributions improved the hypervisor's stability and performance by addressing compiler optimizations and improving the handling of hardware interactions. They also worked on features to improve the handling of the EDID and supported more scanout windows.
hypervisoracrn
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.