From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ruby-core-bounces@ruby-lang.org>
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net
X-Spam-Level: 
X-Spam-ASN: AS4713 221.184.0.0/13
X-Spam-Status: No, score=-4.1 required=3.0 tests=AWL,BAYES_00,
	HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_PASS
	shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1
Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75])
	by dcvr.yhbt.net (Postfix) with ESMTP id BA4EE1F405
	for <normalperson@yhbt.net>; Fri, 10 Aug 2018 01:42:09 +0000 (UTC)
Received: from neon.ruby-lang.org (localhost [IPv6:::1])
	by neon.ruby-lang.org (Postfix) with ESMTP id 27502120AA2;
	Fri, 10 Aug 2018 10:42:08 +0900 (JST)
Received: from dcvr.yhbt.net (dcvr.yhbt.net [64.71.152.64])
 by neon.ruby-lang.org (Postfix) with ESMTPS id 882E8120A89
 for <ruby-core@ruby-lang.org>; Fri, 10 Aug 2018 10:42:04 +0900 (JST)
Received: from localhost (dcvr.yhbt.net [127.0.0.1])
 by dcvr.yhbt.net (Postfix) with ESMTP id F117E1F405;
 Fri, 10 Aug 2018 01:42:02 +0000 (UTC)
Date: Fri, 10 Aug 2018 01:42:02 +0000
From: Eric Wong <normalperson@yhbt.net>
To: ruby-core@ruby-lang.org
Message-ID: <20180810014202.pjesawqgzppmy276@dcvr>
References: <redmine.issue-14759.20180515082552@ruby-lang.org>
 <redmine.journal-73458.20180810005117.44bce2c8d93c88dd@ruby-lang.org>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <redmine.journal-73458.20180810005117.44bce2c8d93c88dd@ruby-lang.org>
X-ML-Name: ruby-core
X-Mail-Count: 88409
Subject: [ruby-core:88409] Re: [Ruby trunk Feature#14759] [PATCH] set
 M_ARENA_MAX for glibc malloc
X-BeenThere: ruby-core@ruby-lang.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: Ruby developers <ruby-core@ruby-lang.org>
List-Id: Ruby developers <ruby-core.ruby-lang.org>
List-Unsubscribe: <https://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>, 
 <mailto:ruby-core-request@ruby-lang.org?subject=unsubscribe>
List-Post: <mailto:ruby-core@ruby-lang.org>
List-Help: <mailto:ruby-core-request@ruby-lang.org?subject=help>
List-Subscribe: <https://lists.ruby-lang.org/cgi-bin/mailman/listinfo/ruby-core>, 
 <mailto:ruby-core-request@ruby-lang.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: ruby-core-bounces@ruby-lang.org
Sender: "ruby-core" <ruby-core-bounces@ruby-lang.org>

shyouhei@ruby-lang.org wrote:
> Yes the question is, what exactly is the value of
> MALLOC_ARENA_MAX that a user should specify to let malloc
> behave as it works in 2.5 now?

(Etc.nprocessors * 8) on 64-bit, (Etc.nprocessors * 2) on 32-bit.