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From: Josh Triplett <josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org>
To: Mathieu Desnoyers
	<mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
Cc: Ben Maurer <bmaurer-b10kYP2dOMg@public.gmane.org>,
	Linus Torvalds
	<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Dave Watson <davejwatson-b10kYP2dOMg@public.gmane.org>,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	"Paul E. McKenney"
	<paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Boqun Feng <boqun.feng-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-api <linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Paul Turner <pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Andrew Hunter <ahh-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Andi Kleen <andi-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>,
	Chris Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
	rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Will
Subject: Re: [RFC PATCH v8 1/9] Restartable sequences system call
Date: Mon, 29 Aug 2016 09:10:24 -0700	[thread overview]
Message-ID: <20160829161023.snsjfsudoxzwosvj@x> (raw)
In-Reply-To: <91715400.22162.1472483812389.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>

On Mon, Aug 29, 2016 at 03:16:52PM +0000, Mathieu Desnoyers wrote:
> ----- On Aug 27, 2016, at 12:22 AM, Josh Triplett josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org wrote:
> > Ben, Mathieu, Dave, do you have jemalloc benchmark numbers with and
> > without rseq?  (As well as memory usage numbers for the reduced memory
> > usage of per-CPU pools rather than per-thread pools?)
> 
> Before I started reimplementing rseq, the numbers presented by Facebook
> at https://lkml.org/lkml/2015/10/22/588 were in my opinion a good proof
> that rseq is useful. I'm not sure if their memoryidler API was used back
> then.
> 
> I could take Dave's jemalloc branch adapted to Paul Turner's rseq and
> adapt it to mine. Then we could use this allocator to compare the
> memory use and speed of heavily multi-threaded applications.
> 
> Thoughts ?

That seems like it would provide a good concrete benchmark of this work,
and demonstrate the value of it.

  parent reply	other threads:[~2016-08-29 16:10 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-19 20:07 [RFC PATCH v8 0/9] Restartable sequences system call Mathieu Desnoyers
     [not found] ` <1471637274-13583-1-git-send-email-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2016-08-19 20:07   ` [RFC PATCH v8 1/9] " Mathieu Desnoyers
     [not found]     ` <1471637274-13583-2-git-send-email-mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2016-08-19 20:23       ` Linus Torvalds
     [not found]         ` <CA+55aFz+Q33m1+ju3ANaznBwYCcWo9D9WDr2=p0YLEF4gJF12g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-08-19 20:44           ` Josh Triplett
2016-08-19 20:59             ` Linus Torvalds
2016-08-19 20:56           ` Andi Kleen
     [not found]             ` <20160819205611.GF5871-1g7Xle2YJi4/4alezvVtWx2eb7JE58TQ@public.gmane.org>
2016-08-19 21:19               ` Paul E. McKenney
     [not found]                 ` <20160819211946.GJ3482-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-08-19 21:32                   ` Linus Torvalds
2016-08-19 23:35                     ` Paul E. McKenney
2016-08-19 21:24             ` Josh Triplett
2016-08-19 22:59               ` Dave Watson
2016-08-25 17:08           ` Mathieu Desnoyers
     [not found]             ` <545371402.19191.1472144912215.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2016-08-25 17:56               ` Ben Maurer
2016-08-27  4:22                 ` Josh Triplett
2016-08-29 15:16                   ` Mathieu Desnoyers
     [not found]                     ` <91715400.22162.1472483812389.JavaMail.zimbra-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org>
2016-08-29 16:10                       ` Josh Triplett [this message]
2016-08-30  2:01                     ` Boqun Feng
2016-08-27 12:21       ` Pavel Machek
2016-08-19 20:07   ` [RFC PATCH v8 2/9] tracing: instrument restartable sequences Mathieu Desnoyers
2016-08-19 20:07   ` [RFC PATCH v8 3/9] Restartable sequences: ARM 32 architecture support Mathieu Desnoyers
2016-08-19 20:07   ` [RFC PATCH v8 4/9] Restartable sequences: wire up ARM 32 system call Mathieu Desnoyers
2016-08-19 20:07   ` [RFC PATCH v8 5/9] Restartable sequences: x86 32/64 architecture support Mathieu Desnoyers
2016-08-19 20:07 ` [RFC PATCH v8 6/9] Restartable sequences: wire up x86 32/64 system call Mathieu Desnoyers
2016-08-19 20:07 ` [RFC PATCH v8 7/9] Restartable sequences: powerpc architecture support Mathieu Desnoyers
2016-08-19 20:07 ` [RFC PATCH v8 8/9] Restartable sequences: Wire up powerpc system call Mathieu Desnoyers
2016-08-19 20:07 ` [RFC PATCH v8 9/9] Restartable sequences: self-tests Mathieu Desnoyers
  -- strict thread matches above, loose matches on Subject: below --
2016-11-26 23:43 [RFC PATCH v8 1/9] Restartable sequences system call Paul Turner

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