Go 1.22 Released
Everyone’s going loopy about Go’s latest language changes. Nobody seems to have noticed an important fix
Posts by Year
2024
Profile Guided optimisation
Learn how PGO improves use of inlining and CPU instruction caches. I show how to get biggest boost for your projects by using the right CPU profile
2023
CPU Profiling and Flame Graphs
Easily track down performance problems with flame graphs.
Defer
Why it’s important to use defer for maintainability and in the presence of panics. I also look at some common pitfalls.
Build Tags
The other “directive” that I didn’t cover last week is //go:build. This time I look at how and why you would use build tags and the new syntax.
Compiler Directives
A look at all of Go’s pragmas (except build tags). How //go:debug directive enhances Go’s backward compatibility. Plus recent changes to the language that af...
Go’s “Reference” Types
It’s important to understand the behaviour of maps, slices, etc
Go 1.21
Go 1.21 has just arrived! It has some nice things like PGO, and slices.Sort(), but beware of a pitfall
Welcome to My Blog!
I hope to contribute something of use to the ever-growing Go community.