Bad malloc performance in glibc 2.3?

[Wolfram Gloger]

> I have 2 reports of bad malloc performance in glibc 2.3. It appears
> that malloc_consolidate () takes way too much CPU time under certain
> conditions. malloc in 2.2 is ok. Has anyone seen it?

Can you send me a test case?

Anyway, I have one patch sort of pending which may help performance in
some cases but still might hurt other ones (as always :-( ).
I'll send it tomorrow for you to try out.

Regards,
Wolfram.