Meta’s Renewed Commitment to jemalloc

[OP] gaffneyc | a day ago

TLDR; Meta is once again investing into making jemalloc a general purpose allocater and not just built for their purposes.

Related: https://jasone.github.io/2025/06/12/jemalloc-postmortem/

tobin_baker | 16 hours ago

What does this coded language mean?

In recent years, there has been a gradual shift away from the core engineering principles that have long guided jemalloc’s development.

zem | 16 hours ago

probably just that they started rushing code out the door instead of taking the time to get it right, and that the accumulated technical debt finally caught up with them.

vi_mi | 14 hours ago

Does anyone know about a proper discussion they can link to for ARM related performance point in the article?

Quick search issues on github seems to be resolved by now