Jonas Paulsson
LLVM Backend Developer For System Z at IBM Deutschland GmbH
Sweden
Summary
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Rockstar🎓
Top SchoolJonas Paulsson is a compiler engineer with over a decade of hands-on experience building and optimizing LLVM backends, currently focused on the SystemZ backend at IBM. He excels at turning assembly-level analysis and benchmarking into concrete compiler improvements, from instruction selection and scheduling to custom optimization passes. Previously he built an LLVM backend for a DSP at Ericsson, implementing VLIW scheduling, hardware loop transformations, multi-flag modelling, and other advanced backend techniques. Based in Sweden with an MSc in Computer Science from Lund, Jonas is equally comfortable diving into low-level codegen details and contributing upstream patches, bringing a pragmatic blend of performance tuning and compiler architecture expertise.
10 years of coding experience
5 years of employment as a software developer
Master of Science (MSc), Computer science, Master of Science (MSc), Computer science at Lunds tekniska högskola
Stackoverflow
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Github Skills (40)
reduction10
modular10
database-access10
llvm10
mono10
toolchain10
compiler10
clang10
blockchain9
static-analyzer9
coding-style9
llvm-ir9
ethereum8
evm8
objective-c8
Programming languages (3)
Github contributions (5)
chapuni/llvm-project-legacy
Oct 2015 - Dec 2022
Contributions:398 commits in 7 years 2 months
vgvassilev/llvm
May 2017 - Sep 2021
llvm with cling-specific patches
Contributions:256 commits in 4 years 4 months
llvm-irpatchesclingllvm
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