vitaut 🤍❤️🤍 🇺🇦
Wait, it was abandoned? 😂 https://engineering.fb.com/2026/03/02/data-infrastructure/investing-in-infrastructure-metas-renewed-commitment-to-jemalloc/
Investing in Infrastructure: Meta’s Renewed Commitment to jemalloc

Meta recognizes the long-term benefits of jemalloc, a high-performance memory allocator, in its software infrastructure. We are renewing focus on jemalloc, aiming to reduce maintenance needs and mo…

Engineering at Meta
Mar 16 at 6:42pmWeb
Show threadAras Pranckevičius5d ago
@vitaut blender just (some months ago) moved away from jemalloc, on the basis of it being sunset lol
Show threadvitaut 🤍❤️🤍 🇺🇦5d ago
@aras what have they moved to?
Show threadAras Pranckevičius5d ago
@vitaut TBB malloc. Anecdotally, regressions on some workloads, but probably same or better on others. Workloads tend to be very different!
Show threadVlastimil Babka 🇨🇿🇪🇺🇺🇦4d ago
@vitaut I recall this post https://jasone.github.io/2025/06/12/jemalloc-postmortem/
But didn't see the current one, thanks.
Jason Evans

The jemalloc memory allocator was first conceived in early 2004, and hasbeen in public use for about 20 years now. Thanks to the nature of open source software licensing,jemalloc will remain publicly available indefinitely. But active upstream development has come to anend. This post briefly desc...

Show threadvitaut 🤍❤️🤍 🇺🇦4d ago
@vbabka Ah, now I remember.