Jan 31, 2023

Runtime costs and strategies for static initialization in Go

Execution tracer overhaul Authored by [email protected] with a mountain of input from others. In no particular order, thank you to Felix Geisendorfer, Nick Ripley, Michael Pratt, Austin Clements,...

Go 1.21 RC brings language improvements, new standard library packages, PGO GA, backward and forward compatibility in the toolchain and faster builds.

Google's Go compiler and runtime team meets periodically (roughly weekly) to discuss ongoing development of the compiler and runtime. While not open to the public, there's been desire by th...

Learn about the upcoming go1.21 performance improvements that reduce the overhead of execution tracing from up to 20% to less than 1% for most applications.

Similar to: #45453. Each ARM sub-architecture iteration adds some new instructions, some of which may be useful for Go. For example, ARMv8.2 introduced: v8.1: FEAT_LSE, Large System Extensions (tho...

Go is often praised for its fast build times.
While they are pretty quick, they are slow enough that I spend a lot of time waiting for them, enough that it prompted me to go down the rabbit hole of thoroughly analyzing them.
This post covers all aspects of…

We’re starting a project to overhaul the inlining optimization pass in the Go compiler, with the goal of having a far more effective inliner in Go 1.22. This issue will track this work. This docume...

After almost a decade, I have finally implemented #8898, special-casing the channels used for timers (or maybe the timers used for channels) so that the timers are not in the timer heap when there ...