Nelson Elhage

@nelson_elhage@robot.villas

Blog posts on systems, compilers, and performance.

Source: https://blog.nelhage.com/atom.xml

Homepage: https://blog.nelhage.com

Posts

98

Posts

From error-handling to structured concurrency
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Mar 23, 2026
Solving Regex Crosswords with Z3
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Oct 21, 2025
The ITTAGE indirect branch predictor
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Jul 4, 2025
Performance of the Python 3.14 tail-call interpreter
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Mar 9, 2025
Building personal software with Claude
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Jan 27, 2025
Finding near-duplicates with Jaccard similarity and MinHash
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Jul 3, 2024
Stripe's monorepo developer environment
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May 21, 2024
Performance engineering, profilers, and seeing the invisible
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Dec 18, 2023
Advent of Code in C++ Template Metaprogramming
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Dec 8, 2023
What's with ML software and pickles?
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Nov 8, 2023
Graceful behavior at capacity
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Aug 7, 2023
Efficiency trades off against resiliency
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Apr 15, 2023
Transformers for software engineers
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Apr 1, 2022
A Cursed Bug
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Feb 23, 2022
Distributed cloud builds for everyone
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May 31, 2021
Building LLVM in 90 seconds using Amazon Lambda
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May 21, 2021
Some opinionated thoughts on SQL databases
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Mar 30, 2021
Towards solving Ultimate Tic Tac Toe
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Jul 15, 2020
Write testable code by writing generic code
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Mar 12, 2020
Test suites as classifiers
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Mar 1, 2020
Systems that defy detailed understanding
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Feb 22, 2020
Computers can be understood
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Feb 16, 2020
Reflections on software performance
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Feb 3, 2020
Why the Sorbet typechecker is fast
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Jan 24, 2020
Testing and feedback loops
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Jan 19, 2020
Record/Replay testing in Sorbet
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Jan 13, 2020
Two kinds of testing
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Dec 24, 2019
The architecture of declarative configuration management
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Nov 12, 2019
A Go/C Polyglot
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Sep 5, 2019
Reader/reader blocking in reader/writer locks
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May 7, 2019
My Apollo Bibliography
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Apr 9, 2019
Three kinds of memory leaks
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Apr 29, 2018
Property Testing Like AFL
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Oct 24, 2017
Property-Based Testing Is Fuzzing
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Oct 3, 2017
Disable Transparent Hugepages
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Jul 10, 2017
Two Perspectives on the End-to-End Principle
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Jun 11, 2017
Running Tensorflow on AWS GPUs
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Feb 26, 2017
Thoughts On Kubernetes
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Feb 19, 2017
Measuring Capacity Through Utilization
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Jan 8, 2017
How I Write Tests
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Dec 29, 2016