cs249r_book vs firefox-ios
cs249r_book and firefox-ios share 6 technologies: Rich, jinja2, markdown-it-py, markupsafe, mdurl, and dompurify. cs249r_book is written in Python and firefox-ios in Swift.
LinkedInWhat they share and what sets them apart
harvard-edge
cs249r_book
Machine Learning Systems: Foundations, Scaling, Agentic AI, and Physical AI (Vols I–IV) • Harvard CS249r | https://mlsysbook.ai
Python30kRead on November 8, 2026, at commit de87c01What is cs249r_book built with?Only in cs249r_book
- async-lru
- pyzmq
requests-cache
pyarrow
- anyio
- jupyter-core
jupyterlab-server
tornado
- Vite
- React
- idb
- Next.js
- cycler
fonttools
jupyterlab-pygments
- soupsieve
- tinycss2
contourpy
- ipywidgets
- jupyter-server-terminals
- jupyterlab-widgets
- matplotlib-inline
prompt-toolkit
seaborn
- widgetsnbextension
matplotlib
- Plotly
- argon2-cffi
- argon2-cffi-bindings
groq
- Ollama
OpenAI- torch
- transformers
torchvision
- scikit-learn
sentence-transformers
librosa
nltk
- torch-geometric
- bleach
- defusedxml
- ghostscript
mistune
- nbconvert
- pandocfilters
- pylatexenc
- pypandoc
- python-frontmatter
- tablib
webencodings
- xlrd
- xlwt
- xmltodict
- beautifulsoup4
pillow
lxml
- jupytext
- nbformat
- annotated-types
- cattrs
- fastjsonschema
- fqdn
- jsonschema-specifications
- referencing
- rfc3339-validator
- rfc3986-validator
- Pydantic
- jsonschema
- pydantic-core
prometheus-client
- python-json-logger
psutil
- Tailwind CSS
- Mermaid
- Chart.js
- D3
- compromise
katex
markdown-it
markdown-it-container
jspdf
- jspdf-autotable
- Framer
- react-medium-image-zoom
- Lucide
In common
mozilla-mobile
firefox-ios
Firefox for iOS
Swift13.1kRead on November 10, 2026, at commit 81b5f3aWhat is firefox-ios built with?Only in firefox-ios
- Sentry
- SnapKit
- @mozilla/readability
- SwiftDraw
- voluptuous
- SwiftyBeaver
Side by side
cs249r_bookfirefox-ios
SizeLines written by people and agents, without generated ones; code files, without tests.
cs249r_book821,581 lines written1,977 code files
firefox-ios592,956 lines written2,242 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
cs249r_book2.7% of its commits signed by AIWith Codex, Claude Code, Gemini CLI, and Cursor
firefox-ios0.2% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
cs249r_bookLast push November 8, 202622,351 commits30,011 stars
firefox-iosLast push November 10, 202620,850 commits13,068 stars
TestsThe files that test the code, and the share of code files a test imports.
cs249r_book629 test files16.6% of its code files have a test that imports them
firefox-ios1,280 test files54.3% of its code files have a test that imports them
Frequently asked questions
Which is bigger, cs249r_book or firefox-ios?
cs249r_book, with 821,581 lines written; firefox-ios has 592,956.
The proof: harvard-edge/cs249r_book's code at commit de87c01
Which has more GitHub stars, cs249r_book or firefox-ios?
cs249r_book, with 30,011 stars; firefox-ios has 13,068.
The proof: harvard-edge/cs249r_book on GitHub
Which has more tests, cs249r_book or firefox-ios?
firefox-ios, with 1,280 test files; cs249r_book has 629.
The proof: mozilla-mobile/firefox-ios's code at commit 81b5f3a
Which was updated more recently, cs249r_book or firefox-ios?
firefox-ios: its last push was on November 10, 2026, and cs249r_book's on November 8, 2026.
Which has more commits signed by AI, cs249r_book or firefox-ios?
cs249r_book: an AI signed 2.7% of its commits, with Codex, Claude Code, Gemini CLI, and Cursor; in firefox-ios, 0.2%.
The proof: the commits each tool signed in harvard-edge/cs249r_book
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