C jemalloc improvements

[cracauer@]

Fakebook is putting some steam behind jemalloc(3). In case you don't know, FreeBSD's default malloc at this time is jemalloc. So FreeBSD should benefit from any improvements as long as they are not some Linux-only nonsense.

That reminds me that I haven't benchmarked against tcmalloc in a long time. I don't know who's champ right now.

Also wonder whether phkmalloc might still be a good choice for single threaded programs such as compilers and most linkers. It was (is?) a pretty cool malloc that was overtaken by core count.

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.fb.com

 

[mer]

I remember the resistence when jemalloc first came in, I think around 5.x.

 

[atax1a]

i have nothing to add, i just want to say (french accent) j'accuse? no! j'malloc!

 

[elephant]

i have nothing to add, i just want to say (french accent) j'accuse? no! j'malloc!

Excusez-moi, mais no (anglais) = non (francais).

 

[mer]

Jason Evans malloc.
jemalloc
no french, no german, no canadian
why overcomplicate things? read the article

 

[elephant]

This post is something of the prequel to the Meta blog post above.

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...

jasone.github.io

It's great to see a turn-around.