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From: Andreas Schwab <schwab@linux-m68k.org>
To: Siddhesh Poyarekar <siddhesh@sourceware.org>
Cc: "Michael Kerrisk \(man-pages\)" <mtk.manpages@gmail.com>,
	 Carlos O'Donell <carlos@redhat.com>,
	 libc-alpha <libc-alpha@sourceware.org>
Subject: Re: [PATCH 2/2] Document the M_ARENA_* mallopt parameters
Date: Tue, 18 Oct 2016 17:18:00 -0000	[thread overview]
Message-ID: <87twc9d19y.fsf@linux-m68k.org> (raw)
In-Reply-To: <968422de-27f2-3359-6a76-61c152c253dd@sourceware.org> (Siddhesh Poyarekar's message of "Tue, 18 Oct 2016 22:16:12 +0530")

On Okt 18 2016, Siddhesh Poyarekar <siddhesh@sourceware.org> wrote:

> So something like this is more accurate:
>
>     The default value of this parameter is 0, meaning that the limit on
>     the number of arenas is determined by the number of CPU cores
>     online and the size of the '''long''' datatype.  For 32-bit systems
>     the limit of on the number of arenas is 2 * '''number of CPU cores
                                              twice the
>     online''' while 64-bit systems, the limit on the number of arenas
>     is 8 * '''number of CPU cores online'''.  If information on CPU
         eight times the
>     cores is not available, it is assumed that there are 2 CPU cores
>     online.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

  reply	other threads:[~2016-10-18 17:18 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-10 17:26 [PATCH 1/2] Add note on MALLOC_MMAP_* environment variables Siddhesh Poyarekar
2016-10-10 17:26 ` [PATCH 2/2] Document the M_ARENA_* mallopt parameters Siddhesh Poyarekar
2016-10-17 14:04   ` [PING][PATCH " Siddhesh Poyarekar
2016-10-17 16:09   ` [PATCH " Carlos O'Donell
2016-10-18  7:15     ` Michael Kerrisk
2016-10-18 10:07       ` Siddhesh Poyarekar
2016-10-18 13:50         ` Michael Kerrisk (man-pages)
2016-10-18 14:30           ` Siddhesh Poyarekar
2016-10-18 16:03             ` Michael Kerrisk (man-pages)
2016-10-18 16:46               ` Siddhesh Poyarekar
2016-10-18 17:18                 ` Andreas Schwab [this message]
2016-10-19  6:53                 ` Michael Kerrisk (man-pages)
2016-10-19  7:09                   ` Siddhesh Poyarekar
2016-10-10 17:33 ` [PATCH 1/2] Add note on MALLOC_MMAP_* environment variables DJ Delorie
2016-10-10 17:42   ` Siddhesh Poyarekar
2016-10-11  6:20   ` Michael Kerrisk
2016-10-11 18:19     ` DJ Delorie
2016-10-11 19:03       ` Michael Kerrisk (man-pages)
2016-10-12 11:57       ` Siddhesh Poyarekar
2016-10-17 19:40     ` Carlos O'Donell
2016-10-11 19:35 ` Kalle Olavi Niemitalo
2016-10-17 14:04 ` [PING][PATCH " Siddhesh Poyarekar
2016-10-17 16:13 ` [PATCH " Carlos O'Donell
2016-10-17 16:16   ` Siddhesh Poyarekar
2016-10-24 14:08 [PATCH 0/2] Malloc manual cleanups Siddhesh Poyarekar
2016-10-24 14:08 ` [PATCH 2/2] Document the M_ARENA_* mallopt parameters Siddhesh Poyarekar
2016-10-25  7:51   ` Rical Jasan
2016-10-25 21:55   ` DJ Delorie
2016-10-26  5:42     ` Siddhesh Poyarekar

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