Geza Lore
Principal Engineer at Tenstorrent
United Kingdom
Summary
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RockstarGeza Lore is a Principal Engineer with over a decade of experience bridging hardware and software, excelling in low-level software, digital design and hardware architecture. He has led performance-critical work at companies from ARM and Broadcom to Tenstorrent, and built tooling and simulators as an R&D architect and independent contractor. Geza’s hands-on contributions include assembly-level optimizations to the VP9 codec in libvpx and baseline JIT and code-size improvements for WPE WebKit, demonstrating deep proficiency in performance engineering across multimedia and browser runtimes. He’s comfortable designing processor microarchitecture, toolchains and execution engines, and has driven scalability and feature enhancements to EDA and simulator back-ends. Based in the UK and active in open-source, he combines pragmatic engineering with research-grade system thinking and a knack for squeezing measurable performance from constrained platforms.
10 years of coding experience
15 years of employment as a software developer
Stackoverflow
541reputation
17kreached
14answers
0questions
Github Skills (25)
algorithm10
32-bit10
algorithms10
vp910
javascript10
scripting10
javascriptcore10
c1110
data-structure10
c1710
jscript10
script10
code-generation10
performance-optimization10
data-structures10
Programming languages (11)
Github contributions (5)
zsh-users/zsh-history-substring-search
Mar 2016 - May 2017
🐠 ZSH port of Fish history search (up arrow)
Role in this project:
Software Engineer
Software EngineerContributions:9 commits, 7 PRs, 4 pushes in 1 year 2 months
Contributions summary:Geza primarily contributed to the zsh-history-substring-search plugin by implementing refactoring changes, optimizing the search functionality, and improving overall code efficiency. The refactoring efforts involved modifying the internal enumeration order and removing redundant code blocks. Furthermore, the user introduced features like the ability to ensure unique search results and optimized the plugin's performance by employing lazy enumeration.
zsh-pluginsarrowhistory-searchfishfish-shell
webmproject/libvpx
Oct 2015 - Sep 2016
Mirror only. Please do not send pull requests.
Role in this project:Back-end Developer / Performance Engineer
Back-end Developer / Performance EngineerContributions:147 commits in 11 months
Contributions summary:Geza's contributions primarily focus on optimizing the VP9 video codec within the libvpx repository. They implemented and optimized assembly code for block error calculations, specifically tailoring it for high bitdepth and 8-bit configurations. Further optimizations were made to quantizer routines, leading to performance improvements in both high bitdepth and 8-bit configurations. Additional work included converting motion search configuration data structures, improving performance.
pull-requests
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