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From: Samuel Thibault via Libc-alpha <libc-alpha@sourceware.org>
To: Sergey Bugaev <bugaevc@gmail.com>
Cc: bug-hurd@gnu.org, libc-alpha@sourceware.org
Subject: Re: [PATCH htl v3 3/5] htl: Reimplement GSCOPE
Date: Wed, 15 Sep 2021 01:28:43 +0200	[thread overview]
Message-ID: <20210914232843.6vdadxxnpd42sva6@begin> (raw)
In-Reply-To: <20210907133325.255690-4-bugaevc@gmail.com>

Sergey Bugaev, le mar. 07 sept. 2021 16:33:23 +0300, a ecrit:
> This is a new implementation of GSCOPE which largely mirrors its NPTL
> counterpart. Same as in NPTL, instead of a global flag shared between
> threads, there is now a per-thread GSCOPE flag stored in each thread's
> TCB. This makes entering and exiting a GSCOPE faster at the expense of
> making THREAD_GSCOPE_WAIT () slower.
> 
> The largest win is the elimination of many redundant gsync_wake () RPC
> calls; previously, even simplest programs would make dozens of fully
> redundant gsync_wake () calls.

That looks good, thanks!

Samuel

  reply	other threads:[~2021-09-14 23:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 13:33 [PATCH htl v3 0/5] Rewrite THREAD_GSCOPE Sergey Bugaev via Libc-alpha
2021-09-07 13:33 ` [PATCH htl v3 1/5] elf: Replace most uses of THREAD_GSCOPE_IN_TCB Sergey Bugaev via Libc-alpha
2021-09-14 23:30   ` Samuel Thibault via Libc-alpha
2021-09-07 13:33 ` [PATCH htl v3 2/5] htl: Move thread table to ld.so Sergey Bugaev via Libc-alpha
2021-09-14 23:27   ` Samuel Thibault via Libc-alpha
2021-09-15 14:14     ` Sergey Bugaev via Libc-alpha
2021-09-15 14:34       ` Samuel Thibault via Libc-alpha
2021-09-15 14:35         ` Samuel Thibault via Libc-alpha
2021-09-15 15:13         ` Sergey Bugaev via Libc-alpha
2021-09-15 15:16           ` Samuel Thibault via Libc-alpha
2021-09-07 13:33 ` [PATCH htl v3 3/5] htl: Reimplement GSCOPE Sergey Bugaev via Libc-alpha
2021-09-14 23:28   ` Samuel Thibault via Libc-alpha [this message]
2021-09-07 13:33 ` [PATCH htl v3 4/5] elf: Remove THREAD_GSCOPE_IN_TCB Sergey Bugaev via Libc-alpha
2021-09-14 23:29   ` Samuel Thibault via Libc-alpha
2021-09-07 13:33 ` [PATCH htl v3 5/5] testrun.sh: Add support for --tool=rpctrace Sergey Bugaev via Libc-alpha
2021-09-08  6:57   ` Florian Weimer via Libc-alpha
2021-09-09 23:25     ` Samuel Thibault via Libc-alpha
2021-09-07 17:05 ` [PATCH htl v3 0/5] Rewrite THREAD_GSCOPE Adhemerval Zanella via Libc-alpha

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