Bryan Chan
Senior Principal Engineer at Huawei Technologies
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolBryan Chan is a Senior Principal Engineer with 11+ years of experience building LLVM-based compiler technology and runtime systems for heterogeneous computing across HPC, AI, and IoT domains. Based in Old Toronto, he leads R&D at Huawei and is a maintainer of Classic Flang, bringing deep compiler and systems expertise from a long tenure at IBM where he worked on Java JITs, DevOps infrastructure, and porting open-source stacks to IBM z Systems. His open-source contributions include improving portability and build systems for widely used projects like snappy-java and fixing subtle Fortran/LLVM integration bugs in flang—work that reflects a knack for cross-platform compatibility and low-level correctness. Known for shipping productionized language/runtime features (including a Go-based internal framework and dynamic software update support), he combines hands-on engineering with architectural leadership and an eye for pragmatic tooling.
11 years of coding experience
18 years of employment as a software developer
M.A.Sc., Computer Engineering, M.A.Sc., Computer Engineering at University of Toronto
Chinese, Japanese
Github Skills (14)
compiler-optimization10
fortran10
aix10
javas10
build-automation10
java10
llvm10
c119
sbt9
debug9
c179
debugging9
osgi9
build-system8
Programming languages (12)
Github contributions (5)
flang-compiler/flang
Jul 2020 - Nov 2022
Flang is a Fortran language front-end designed for integration with LLVM.
Role in this project:
Back-end Developer & Compiler Engineer
Back-end Developer & Compiler EngineerContributions:676 reviews, 109 commits, 286 PRs in 2 years 4 months
Contributions summary:Bryan primarily contributed to the flang compiler, with a focus on fixing bugs, enhancing test cases, and improving the compiler's internal workings. Their work included adapting tests for specific LLVM versions, fixing -Msave options, resolving segmentation faults, addressing incorrect assumptions about derived types, and addressing issues related to string array pointers. Additionally, the user improved the codebase by correcting warnings related to parentheses and casting hexadecimal literals.
fortran-languagefortran-compilercompilerfortranfront-end
xerial/snappy-java
Mar 2015 - Nov 2015
Snappy compressor/decompressor for Java
Role in this project:Back-end Developer & Build Engineer
Back-end Developer & Build EngineerContributions:14 commits, 5 PRs, 5 comments in 8 months
Contributions summary:Bryan's contributions primarily focused on expanding the platform's compatibility with various operating systems and architectures. They added support for Linux on IBM z Systems, integrated build configurations for different AIX environments, and made necessary adjustments for big-endian platforms. Furthermore, they updated the build process to integrate with the latest versions of the underlying Snappy library and associated build tools.
decompressorjavacompressorsnappy
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