about glibc performance
Konstantin Kharlamov
hi-angel@yandex.ru
Fri Mar 22 22:20:00 GMT 2019
В Сб, мар 23, 2019 at 12:38 ДП (AM), Eric Wong
<normalperson@yhbt.net> написал:
> Jimmie <zpjjimmie@163.com> wrote:
>> Hi,
>> For serveral days, I did some test about the memory performance of
>> glibc(2.17) and tcmalloc(gperformance 2.7), and my test results
>> indicate that glibc is more efficient then tcmalloc.
>> generally, people think tcmalloc is efficient than glibc 2.3, but I
>> use glibc 2.17, so I wonder if glibc 2.17 did some improvement on
>> memory performance.
>> looking forward to your reply, thank you.
>
> You may also want to check out my proof-of-concept wfcqueue patch
> which optimizes message passing:
>
> https://public-inbox.org/libc-alpha/20180731084936.g4yw6wnvt677miti@dcvr/
>
> Unfortunately, integrating wfcqueue/URCU into glibc will take
> much effort :<
Also in future, I think, "restartable sequences" should improve malloc
performance, right? I'm wondering, when will they appear…
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