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From: Florian Weimer <fw@deneb.enyo.de>
To: Mark Wielaard <mark@klomp.org>
Cc: Jonathon Anderson <jma14@rice.edu>,
	 elfutils-devel@sourceware.org,  Srdan Milakovic <sm108@rice.edu>
Subject: Re: [PATCH] libdw: add thread-safety to dwarf_getabbrev()
Date: Sun, 27 Oct 2019 08:59:00 -0000	[thread overview]
Message-ID: <87h83ufts2.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <2f4616d947caf5e1de3f5eefdf0a89ffa2c00e5e.camel@klomp.org> (Mark	Wielaard's message of "Sun, 27 Oct 2019 00:53:41 +0200")

* Mark Wielaard:

>> Current glibc versions have a thread-local fast path, which should
>> address some of these concerns.  It's still not a bump-pointer
>> allocator, but at least there are no atomics on that path.
>
> Since which version of glibc is there a thread-local fast path?

It was added in:

commit d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc
Author: DJ Delorie <dj@delorie.com>
Date:   Thu Jul 6 13:37:30 2017 -0400

    Add per-thread cache to malloc

So glibc 2.26.  But it is a build-time option, enabled by default, but
it can be switched off by distributions.

  reply	other threads:[~2019-10-27  8:59 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-16 19:24 Jonathon Anderson
2019-08-21 11:16 ` Mark Wielaard
2019-08-21 14:21   ` Jonathon Anderson
2019-08-23 21:22     ` Mark Wielaard
     [not found]   ` <1566396518.5389.0@smtp.mail.rice.edu>
2019-08-23 18:25     ` Mark Wielaard
2019-08-23 22:36       ` Jonathon Anderson
2019-08-21 21:50 ` Mark Wielaard
2019-08-21 22:01   ` Mark Wielaard
2019-08-21 22:21   ` Jonathon Anderson
2019-08-23 21:26     ` Mark Wielaard
2019-08-24 23:24 ` Mark Wielaard
2019-08-25  1:11   ` Jonathon Anderson
2019-08-25 10:05     ` Mark Wielaard
2019-08-26  1:25       ` Jonathon Anderson
2019-08-26 13:18         ` Mark Wielaard
2019-08-26 13:37           ` Jonathon Anderson
2019-08-27  3:52             ` Jonathon Anderson
2019-08-29 13:16               ` Mark Wielaard
2019-08-29 13:16                 ` [PATCH 3/3] lib + libdw: Add and use a concurrent version of the dynamic-size hash table Mark Wielaard
2019-10-25 23:50                   ` Mark Wielaard
2019-10-26  4:11                     ` Jonathon Anderson
2019-10-27 16:13                       ` Mark Wielaard
2019-10-27 17:49                         ` Jonathon Anderson
2019-10-28 14:08                           ` Mark Wielaard
2019-10-28 20:12                         ` Mark Wielaard
2019-11-04 16:21                           ` Mark Wielaard
2019-11-04 16:19                       ` Mark Wielaard
2019-11-04 17:03                         ` [PATCH] " Jonathon Anderson
2019-11-07 11:07                           ` Mark Wielaard
2019-11-07 15:25                             ` Jonathon Anderson
2019-11-08 14:07                               ` Mark Wielaard
2019-11-08 15:29                                 ` Jonathon Anderson
2019-11-10 23:24                                   ` Mark Wielaard
2019-11-11 23:38                                     ` Jonathon Anderson
2019-11-12 21:45                                       ` Mark Wielaard
2019-08-29 13:16                 ` [PATCH 1/3] Add some supporting framework for C11-style atomics Mark Wielaard
2019-10-22 16:31                   ` Mark Wielaard
2019-08-29 13:16                 ` [PATCH 2/3] libdw: Rewrite the memory handler to be thread-safe Mark Wielaard
2019-10-21 16:13                   ` Mark Wielaard
2019-10-21 16:28                     ` Jonathon Anderson
2019-10-21 18:00                       ` Mark Wielaard
2019-10-24 16:47                         ` Mark Wielaard
2019-10-26 10:54               ` [PATCH] libdw: add thread-safety to dwarf_getabbrev() Florian Weimer
2019-10-26 12:06                 ` Mark Wielaard
2019-10-26 16:14                   ` Florian Weimer
2019-10-26 16:45                     ` Jonathon Anderson
2019-10-26 16:50                       ` Florian Weimer
2019-10-26 22:53                         ` Mark Wielaard
2019-10-27  8:59                           ` Florian Weimer [this message]
2019-10-27 18:11                             ` Jonathon Anderson
2019-10-27 18:44                               ` Florian Weimer
2019-10-26 22:50                       ` Mark Wielaard
2019-10-27  0:56                         ` Jonathon Anderson
2019-10-28 13:26                           ` Mark Wielaard
2019-10-28 15:32                             ` Jonathon Anderson

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