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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