Soft freeze for the glibc-2.43 release

Wilco Dijkstra Wilco.Dijkstra@arm.com
Wed Dec 17 16:12:22 GMT 2025


Hi Florian,

>>> I plan to post my batched free changes.  Do they reach parity with 32?
>>> Average tcache consumption should be less because we are not filling
>>> it as aggressively.
>>
>> Yes with tcache_count=32 the geomean of omnetpp and xalancbmk is within 0.1%.
>
> Sorry, and this was with batched free?

Yes that is batched free vs non-batched at tcache_count=32. Both options are also
practically the same with mxfast=0. Basically it's only bad for performance if tcache
size is small since it makes the effective size even smaller.

Cheers,
Wilco


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