Zuoming Shi is a Software Engineer II at Microsoft with 11 years of experience building high-performance graphics and ML infrastructure for Windows and NPUs. He has driven performance and reliability improvements across DirectML, Direct3D ecosystems, WARP, and imaging APIs, shipping features that enabled imaging on millions of devices and perf tracking for hundreds of millions of sessions. Zuoming combines low-level systems expertise (JITs, video/YUV support, memory-refactors) with ML deployment work—designing NPU conformance tests and surfacing numerical-format gaps in ONNX runtimes. He contributes to open-source tooling such as PresentMon, where his work eliminated memory leaks and improved event handling used by NVIDIA, AMD, and Intel. A pragmatic engineer with a strong research background (MS CSE, top honors BS), he also brings product-minded creativity from game and educational app projects that reached museums and classrooms.
11 years of coding experience
5 years of employment as a software developer
Master's degree, Computer Science and Engineering, Master's degree, Computer Science and Engineering at University of Washington
Capture and analyze the high-level performance characteristics of graphics applications on Windows.
Role in this project:
Performance Engineer
Contributions:34 reviews, 23 commits, 10 PRs in 4 months
Contributions summary:Zuoming primarily focused on optimizing the performance characteristics of the `presentmon` tool, a graphics application performance analyzer. Their contributions involved removing debug assertions to streamline event destruction, moving assertions for improved frame completion tracking, and implementing a circular buffer to prevent memory leaks related to present events. The user's changes directly improved the efficiency and stability of the present event handling within the tool.
Contributions:117 commits, 65 pushes, 9 branches in 3 months
jamgame-jamspringjavatest-repository
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Zuoming Shi - Software Engineer II - DirectML at Microsoft