Samuel Marks - Visiting Postdoctoral Scholar at Offscale.io

Samuel Marks

Visiting Postdoctoral Scholar at Offscale.io

United States

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Summary

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Senior

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Top School

Samuel Marks, PhD is a multidisciplinary software engineer and researcher with 14+ years building scalable ML systems, compilers, and cross-platform DevOps tooling for both industry and medicine. He currently contracts with Google on the high-performance MaxText LLM (JAX/XLA for TPU/GPU scale) while pursuing charitable, open-source ophthalmic diagnostics at Harvard Medical School / Mass. Eye and Ear. As founder of Offscale.io and past CTO roles, he ships production-grade infrastructure that runs natively across Windows, Linux, macOS and unconventional platforms, often implemented in shell, C, Go and Rust. A prolific open-source maintainer with 800+ repos and a 1024+ day contribution streak, he’s contributed performance tweaks to critical projects like XLA and correctness fixes to Keras. His work uniquely bridges bleeding-edge ML compiler optimization and low-cost medical hardware/software distribution, with all device blueprints and data pledged to the public domain.

14 years of coding experience

4 years of employment as a software developer

IT Networking Information Technology, IT Networking Information Technology at TAFE NSW

[postdoc] Ophthalmology Research Fellow Glaucoma, [postdoc] Ophthalmology Research Fellow Glaucoma at Harvard Medical School

Bachelor of Science (B.Sc.) [CompSci], Bachelor of Science (B.Sc.) [CompSci] at Macquarie University

The University of Sydney

Visiting Postdoctoral Fellow Department of Pediatrics, Visiting Postdoctoral Fellow Department of Pediatrics at Stanford University

Stackoverflow

Stats

1,715reputation

2.2mreached

29answers

25questions

Badges

compiler-construction

top-5%

python

top-5%

Github Skills (31)

c-language10

lib10

python10

back-end-development10

cmake10

c1110

c1710

keras10

deep-learning10

tensorflow10

compiler-optimization10

xla10

vcpkg10

package-manager10

cpp10

Programming languages (38)

C#CStandard MLCMakeMakefileGoHTMLJupyter Notebook

Github contributions (5)

microsoft/vcpkg

Jun 2019 - Aug 2022

C++ Library Manager for Windows, Linux, and MacOS

Role in this project:

Backend Developer

Contributions:36 reviews, 17 commits, 37 PRs in 3 years 2 months

Contributions summary:Samuel primarily contributed to the `microsoft/vcpkg` repository by adding and upgrading ports, demonstrating expertise in managing and integrating C++ libraries. Their work involved adding new ports for libraries like `ppconsul`, `zookeeper`, `etcdcpp`, `zkpp`, `rexo`, `guilite`, `randomstr`, `c89stringutils`, `rhasheq`, `libcurl-simple-https`, `septag-dmon`, `inih`, `murmur3`, `keccak-tiny`, `ed25519`, and `libaes-siv`, as well as upgrading existing ones. These changes included modifying CMake files, portfile.cmake, and incorporating patches to ensure the libraries build and function correctly within the vcpkg environment.

c-plus-plussetuptoolspackage-managermacoscplusplus

openxla/xla

Dec 2020 - Dec 2021

A machine learning compiler for GPUs, CPUs, and ML accelerators

Role in this project:

Back-end Developer

Contributions:117 commits in 11 months

Contributions summary:Samuel primarily contributed to code optimization by adding calls to `reserve()` before populating vectors within various C++ source files. These changes were applied across multiple subdirectories of the project, suggesting a focus on improving the efficiency of data structures like vectors. The commits indicate a concern for performance and memory allocation within the XLA compiler. The work appears to be related to data structure optimization, which is critical for compiler performance.

compilercommunity-drivenmachine-learningmodular

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