Efrain Garay

Solutions architect. I measure systems, networks, low-level work and AI models on my own machines, and publish the numbers with the failures included.

Chile Joined on Aug 20, 2026 https://efraingaray.com

Efrain Garay

Sep 28

Wild beats mold linking Rust 20 times out of 20, and in release the linker is no longer the bottleneck

#rust #linkers #benchmarks #performance

1 min read

Efrain Garay

Sep 28

TabPFN and TabICL against tuned XGBoost: the model that does not train won on fourteen tables out of fourteen

#machinelearning #benchmarks #datascience #python

1 min read

Efrain Garay

Sep 28

Rust Coreutils 0.12 vs GNU 9.12: almost everything works the same, starting a process costs nearly 3x more

#rust #linux #benchmarks #performance

1 min read

Efrain Garay

Sep 28

Your architecture diagram is lying: I tested both ways of writing it as code

#architecture #plantuml #devops #tools

1 min read

Efrain Garay

Sep 10

Don't put getaddrinfo on your proxy's hot path

#rust #programming #webdev #opensource

2 min read

Efrain Garay

Sep 6

pg_anon caught 1 of my 8 PII columns. My schema isn't in English.

#postgres #database #security #programming

3 min read

Efrain Garay

Aug 21

I translated DOOM from C to Rust in 23 seconds, then used AI for what it is good at

#showdev #rust #programming #ai

3 min read

Efrain Garay

Aug 20

Go 1.27's SIMD ties with NumPy until the data fits in cache

#go #performance #programming #python

3 min read

DEV Community

Efrain Garay

Badges

Writing Debut

Wild beats mold linking Rust 20 times out of 20, and in release the linker is no longer the bottleneck

TabPFN and TabICL against tuned XGBoost: the model that does not train won on fourteen tables out of fourteen

Rust Coreutils 0.12 vs GNU 9.12: almost everything works the same, starting a process costs nearly 3x more

Your architecture diagram is lying: I tested both ways of writing it as code

Don't put getaddrinfo on your proxy's hot path

pg_anon caught 1 of my 8 PII columns. My schema isn't in English.

I translated DOOM from C to Rust in 23 seconds, then used AI for what it is good at

Go 1.27's SIMD ties with NumPy until the data fits in cache