Dne 26.7.2018 v 20:58 Carlos O'Donell napsal(a): > On 07/26/2018 12:24 PM, Vít Ondruch wrote: >> >> Dne 26.7.2018 v 18:03 Jason L Tibbitts III napsal(a): >>>>>>>> "FW" == Florian Weimer <fweimer@xxxxxxxxxx> writes: >>> FW> I would like to request a change of the Packaging Guidelines, >>> FW> advising packagers not to interpose malloc. >>> >>> How strong of a restriction are you looking for? This sort of feels >>> like something which would at the strongest be a "SHOULD NOT" but maybe >>> you're looking for an absolute ban. >>> >>> Some maintainers may find it difficult to comply with an absolute ban if >>> the relevant software doesn't make it easy to change the allocator. And >>> some upstreams may have strong preferences for one allocator over >>> another (which I imagine would often be linked to performance). Will >>> assistance be offered to modify affected packages? What about >>> contacting upstreams? >>> >>> How many packages would need to change to meet this guideline? >> Just FTR, there is ongoing discussion about changing default to jemalloc >> in Ruby: >> >> https://bugs.ruby-lang.org/issues/14718 >> >> Wouldn't it be better if glibc maintainers joined such discussions to >> improve glibc malloc implementation? > This is an orthogonal problem. I've responded in the Ruby ticket. I very appreciate your response to upstream ticket, because otherwise, you know, I am the one who would have to justify whatever the decision would be to one or to the other side. But I don't really want to take sides .... > Improving glibc's malloc will take time, and we have already started. > > We tackled performance for qemu and DJ Delorie implemented lockless thread > caching to reduce the fast path just like tcmalloc and jemalloc. > > The next step is to tackle RSS and it is poorly understand and non-trivial. I understand. Thx for the effort. V. _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx/message/RDUVGACOYBVARJWB6TXOU3DFDRK3J363/
