pgaultier.bsky.social
@pgaultier.bsky.social
“Hell is other people”.

Sartres clearly did not have to support 4 different SQL databases in the same codebase at scale.

Lucky bastard.
October 16, 2025 at 4:11 PM
More DTrace, more Go, more blog articles!
gaultier.github.io/blog/how_to_...
#dtrace #golang #bug
How to reproduce and fix an I/O data race with DTrace
gaultier.github.io
October 2, 2025 at 8:25 AM
And another blog article, once again about Go and DTrace:

gaultier.github.io/blog/go_dtra...
#dtrace #golang
See all network traffic in a Go program, even when encrypted and compressed
gaultier.github.io
September 26, 2025 at 9:29 AM
I just wrote another Go + DTrace blog article!
This time: Are my SQL files read at build time or run time?
gaultier.github.io/blog/are_my_...

#golang #dtrace
Are my SQL files read at build time or run time?
gaultier.github.io
September 17, 2025 at 10:24 AM
Go, SQL, and DTrace: a marriage made in heaven?
New blog post!
gaultier.github.io/blog/observe...

#golang #dtrace #sql
Observe live SQL queries in Go with DTrace
gaultier.github.io
September 11, 2025 at 11:53 AM
An amusing blind spot in Go's static analysis
gaultier.github.io
August 22, 2025 at 9:25 AM
The good thing about spending your Friday afternoon pulling your hair troubleshooting a bug, is that it makes for a nice blog article afterwards…

gaultier.github.io/blog/subtle_...

#bug #golang
A subtle bug with Go's errgroup
gaultier.github.io
August 9, 2025 at 9:30 AM
Reposted
I joined the Go team just after exploiting a carry bug in a Go assembly core, and I've been looking for ways to prevent the next one ever since.

This year's attempt is very promising: mutation testing swapping e.g. ADC → ADD, CMOV → MOV, etc. to provide test coverage for constant time assembly.
Go Assembly Mutation Testing
Test coverage of delicate Go cryptographic assembly through a new mutation testing framework.
words.filippo.io
July 31, 2025 at 5:10 PM
Me: wow, my new work got me the new M4 MacBook Pro with 48 GB of RAM, every build is going to be instant!

npm run build: Worker terminated due to reaching memory limit: JS heap out of memory.

Tim Apple giveth, JavaScript taketh away
July 31, 2025 at 1:20 PM
Reposted
i hope to become the #1 RSS influencer
November 10, 2024 at 7:27 PM
Reposted
Modern webdev is so much. I'm installing so many packages and gems and I'm completely unsure of what is doing how and where.

One day I'll have to get used to this stuff. It's very different from Systems Engineering.
July 28, 2025 at 5:31 PM
Today I wanted to dtrace a nodejs application at work but then I discovered that nodejs removed dtrace support some time ago (static probes). Bummer.
Still can do a lot just dtrace-ing system calls… but still, unfortunate.

Reminds me of the talk “platform as a reflection of values…
July 25, 2025 at 5:04 PM
Reposted
... Well. I got a paper number, despite thinking I'd just hold onto it. No wording but I think it's about as complete as it can be.

thephd.dev/_vendor/futu...
N3657: Functions with Data - Closures in C (A Comprehensive Proposal Overviewing Blocks, Nested Functions, and Lambdas)
thephd.dev
July 23, 2025 at 10:47 PM
Me, after 10 years of coercing various crazy C & C++ build systems and mixed language codebases to work everywhere even on old unsupported BSDs: Unlimited power! I can do anything !

Me after 2 weeks of having to work with npm and the JavaScript world: I’m in danger.
July 24, 2025 at 10:27 AM
Ever wondered if it’s possible to use DTrace on a Go program? Turns out it’s super easy, barely an inconvenience!

gaultier.github.io/blog/an_opti...

#golang #dtrace #optimization #debugging
An optimization and debugging story with Go and DTrace
gaultier.github.io
July 3, 2025 at 9:39 AM
Reposted
Spent the last ~month trying to figure out why compiling my website took so long. Decided to turn it into a blog post :)

sharnoff.io/blog/why-rus...
"Why is the Rust compiler so slow?"
sharnoff.io
June 26, 2025 at 8:58 AM
A subtle data race in Go
gaultier.github.io
June 11, 2025 at 8:12 PM
What should your mutexes be named?
gaultier.github.io
June 10, 2025 at 6:30 AM
Reposted
I recently had the honor of interviewing Zen’s chief architect Mike Clark! I tried to fit in as many microarchitecture questions as I could, including x64 vs ARM ISA power efficiency, 4k vs larger page sizes, 64-byte cache lines, scatter/gather and more:
www.computerenhance.com/p/an-intervi...
An Interview with Zen Chief Architect Mike Clark
Zen is one of the most important microarchitectures in the history of the x86 ecosystem.
www.computerenhance.com
March 24, 2025 at 6:51 PM
Build PIE executables in Go: I got nerd-sniped
gaultier.github.io
March 19, 2025 at 10:21 AM
[1/2] The cloud, how it started vs how it's going.

(based on a recent discussion with colleagues)

#cloud #datacenter
February 19, 2025 at 9:44 PM
New day, new blog article!
Making my static blog generator 11 times faster:
gaultier.github.io/blog/making_...
#programming #git #optimization #odin
Making my static blog generator 11 times faster
gaultier.github.io
February 19, 2025 at 9:31 PM
New week, new blog article:
Making my debug build run 100x faster so that it is finally usable:
gaultier.github.io/blog/making_...

#programming #optimization #simd #c
Making my debug build run 100x faster so that it is finally usable
gaultier.github.io
February 18, 2025 at 8:45 AM