From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/10343 Path: news.gmane.org!.POSTED!not-for-mail From: Yuxin Ren Newsgroups: gmane.linux.lib.musl.general Subject: Re: application frequently map and unmap memory Date: Tue, 2 Aug 2016 12:58:07 -0400 Message-ID: References: <20160802161839.GU15995@brightrain.aerifal.cx> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1470157108 10809 195.159.176.226 (2 Aug 2016 16:58:28 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 2 Aug 2016 16:58:28 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-10356-gllmg-musl=m.gmane.org@lists.openwall.com Tue Aug 02 18:58:22 2016 Return-path: Envelope-to: gllmg-musl@m.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by blaine.gmane.org with smtp (Exim 4.84_2) (envelope-from ) id 1bUd1K-0002O8-J2 for gllmg-musl@m.gmane.org; Tue, 02 Aug 2016 18:58:22 +0200 Original-Received: (qmail 5557 invoked by uid 550); 2 Aug 2016 16:58:21 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Original-Received: (qmail 5534 invoked from network); 2 Aug 2016 16:58:20 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gwmail-gwu-edu.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=tJ/NweS2B4dOw/+R6MIL1NOzWdz1X8HkPET9frNMock=; b=SIrQm2kicvuCWrgFGEpIg9sk0uo3+BZQWcvQ1dxnOWzyDerI+24oPhtaIw8Lp5pqUD X7QqmQcwac8Uh8U77YMfGWc2Y2HaAJJDF923ECAIihlGnQRay+vb95DgWIuOrF4+TJEI Te5FzVTfeHTmhmTeWvwSkJoj5TPqEoegFg/loVbeK7t8qwsd3qtGEQywvUChJYNSR6CP +dGRn9JaOlGx1Ftp9YL/EtdCiTGQ6nlIsV6S5d5UVzQoPsSuBfY/N0mt3VLScwQCu3qa r0zGkXDwz/OSHSlUJYxmm+/DjCJOXbT+UsOmlNjtsJyPk819+SlUGLCwQ22aToiDJzXk lnLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=tJ/NweS2B4dOw/+R6MIL1NOzWdz1X8HkPET9frNMock=; b=ig49fisDmcJqWpmjMHRoB7423vIEUrTIIxywP3wV6USeC0eVQKVfaLSVhy3O+nOz9b vqjc81Et+WHrzFvKjVnu34K3TUFvkg6CqmQQ6Qa/8rtnatV/YWyJWjWB8zxHHudAYfIj kFaPROcNYGrO7i2QHkxb5+qGW4qg/GOlh36KH54QowbpFmjkgrH2HZscJYsuHbMDw/eY opVHUSf95WheqEibbbBcNtF05wRq/7fCYzYjLcBwR9qb3oPwTk5DgbtV1Yjp+KC/M5B1 z9HzxMj5SebjuL9lzCTU45fjIgLEstcndtWpRG2UrIfLMuBICNVurI3A+z4zLuxixr7M u1iw== X-Gm-Message-State: AEkoousenUbkx9bmgyV7B56mVIARCSQe3P4VL5VgkS41UWNz0Hl6iuNP27zcBIqHy9E9ztri8oArbEma20GOENQy X-Received: by 10.202.51.130 with SMTP id z124mr15021930oiz.184.1470157087950; Tue, 02 Aug 2016 09:58:07 -0700 (PDT) In-Reply-To: <20160802161839.GU15995@brightrain.aerifal.cx> Xref: news.gmane.org gmane.linux.lib.musl.general:10343 Archived-At: I am looking for real-world applications I guess if some applications use large chunk of memory, map and unmap are necessary. I just am not aware which applications have such requirements. Thanks.. On Tue, Aug 2, 2016 at 12:18 PM, Rich Felker wrote: > On Mon, Aug 01, 2016 at 06:06:29PM -0400, Yuxin Ren wrote: >> Hi all, >> >> Are there any applications that stress the memory mapping and unmapping utility >> (It frequently map and unmap memory)? > > Are you looking for real-world applications with this type of load? Or > artificial stress tests? I would not expect to find many of the former > since these are costly operations and there are usually better ways to > do whatever is needed. The latter should be easy to write if needed, > though. > > Rich