Daisy Hollman
Member Of Technical Staff at Anthropic
San Francisco, California, United States
Summary
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RockstarDaisy Hollman is a Member of Technical Staff in San Francisco with 14 years of software engineering experience focused on high-performance back-end systems. At Anthropic she applies deep systems and performance engineering expertise to production-scale problems, drawing on a track record of optimizing parallel execution and memory abstractions. Her open-source contributions include core work on Kokkos—improving tasking, multi-queue designs, and allocator resilience—and enhancements to the Psi4 quantum chemistry package that bridge C++ computation with Python workflows. This blend of scientific computing and low-level performance tuning means she’s comfortable both refactoring core libraries and adding pragmatic hooks for higher-level integrations. Colleagues would note her strength in translating complex numerical and concurrency requirements into maintainable, scalable code.
14 years of coding experience
Stackoverflow
6,176reputation
290kreached
16answers
30questions
Github Skills (27)
scheduled-tasks10
quantum-chemistry10
c-language10
cluster-computing10
computational-chemistry10
scheduler10
chemistry10
scheduling10
sched10
parallel-computing10
task-scheduler10
performance-optimization10
cprogramming-language10
scientific-computing10
job-scheduling10
Programming languages (7)
Github contributions (5)
kokkos/kokkos
Oct 2018 - Mar 2021
Kokkos C++ Performance Portability Programming Ecosystem: The Programming Model - Parallel Execution and Memory Abstraction
Role in this project:
Back-end Developer & Performance Engineer
Back-end Developer & Performance EngineerContributions:207 reviews, 351 commits, 72 PRs in 2 years 5 months
Contributions summary:Daisy made several changes to the tasking system within the Kokkos library. These changes included refactoring code for multiple queues, refactoring task base, implementing memory allocation error handling, and general refactoring for performance optimization. The commits suggest involvement in core library modifications related to parallel computing and high-performance processing, with an emphasis on efficiency.
memorympic-plus-plusmulti-threadingkokkos
psi4/psi4
Oct 2012 - Oct 2013
Open-Source Quantum Chemistry – an electronic structure package in C++ driven by Python
Role in this project:Back-end Developer
Back-end DeveloperContributions:53 commits in 1 year
Contributions summary:Daisy contributed to the Psi4 quantum chemistry software package, focusing on back-end development tasks. Their commits include implementing stand-alone functionality, modifying options, and incorporating Python hooks for one-body integrals. They also worked on merging branches, specifically integrating new features and updates into the codebase. The changes reveal a focus on core computational chemistry functionalities and integrating with other software components.
physicschemistrypythonquantum-computingelectronic-structure
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