220 34897 article Path: news.gmane.org!.POSTED!not-for-mail From: euloanty@live.com Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Thoughts on more methods towards containers in the future Date: Sat, 14 Oct 2017 06:41:03 -0700 (PDT) Lines: 105 Approved: news@gmane.org Message-ID: References: <973f04da-1354-44f4-9d1f-23f04596b8dc@isocpp.org> <20171014085305.GA24512@fukushima.lysator.liu.se> <79c51b8c-6cc2-4872-8651-9dae513d1e21@isocpp.org> <1550fc17-cf97-438d-9e7a-862f729adbf5@isocpp.org> <0cc942cf-a217-4175-98b0-b466ac224dc7@isocpp.org> <561eb731-f0fc-4c9e-8e5f-43083b64af17@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_6356_676853891.1507988463693" X-Trace: blaine.gmane.org 1507988480 24059 195.159.176.226 (14 Oct 2017 13:41:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 14 Oct 2017 13:41:20 +0000 (UTC) Cc: euloanty@live.com To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBDPYX6PYRQNBB4FHRDHQKGQEF3N526A@isocpp.org Sat Oct 14 15:41:16 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-vk0-f71.google.com ([209.85.213.71]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e3MgT-0003Qi-Lv for gclcip-std-proposals@m.gmane.org; Sat, 14 Oct 2017 15:40:57 +0200 Original-Received: by mail-vk0-f71.google.com with SMTP id 126sf4327110vkj.0 for ; Sat, 14 Oct 2017 06:41:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:x-original-sender:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=u1s3YyQT4NAOZBbBQqAQlT4ppOyMoQ4saw6GRSgw3Jc=; b=gmE+oHij6tgDjFv+VJpQmhJ9ftTwWEs7YkcSoeNgK+DXQjtUzOYL9rcXgr0iWCY71a 4bmDunK+GK+FLGDSAW+m8NvUflJhQK5i0k6X4+3FYL7H9wGva1Q3jGxWHHz9lZ/HzDmY yj1txUTYdni8vXoJeN8PeVmbWrcjGdNh9jhqn1CU8s8Es6pLiULiAQCMjbR80latp8XF r05191TKwHCQwmQDx1TsmGveFBbElOkYwqcA9LBfWt8P1qgMn4VYVe9QK2K6MvMnerHN PY3xVPPSxZXWN+sI8VI/uRpG80wBGFdNsu1dJQyJbLuRb2ZEvsTKbb1+5NytfjqfEFSV 6xNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version:x-original-sender:reply-to :precedence:mailing-list:list-id:x-spam-checked-in-group:list-post :list-help:list-archive:list-subscribe:list-unsubscribe; bh=u1s3YyQT4NAOZBbBQqAQlT4ppOyMoQ4saw6GRSgw3Jc=; b=hkmY5JDkbhwtpGbX+ZLNmN3MxV1TWXP95YXp5I45/sKwml73M4Ai+H33KUswRg3ZgJ PTXzjJDf2wKV1Ud68+RXXV/cx9ABiTHTH4vja26e+Kf2JSSEyC/gWWCZo9uCr9b7fd0Y nBJGybdMzwnBwDhnltPxlEQlk7efACreS9is/RNHK6as6ChIyNEZC/LWPjQNuoFDoOvt LYBQsi+TvtnQloaN9fR2/FncfJxGNPptl/6Zmgd0UWkg507OjLVxQnkPz1G6/J2B/eeY H43cERaOSvGCMCSf9yHRHAvzpCPCB6hhBn/M2UANxtp54nttU3rXitQo5PqG1dNnhvEC BC3g== X-Gm-Message-State: AMCzsaWal1zd0LjF4NAKLFnXXtWvZ69SbU1l3uv/a4VEJ1Q9JkqDrQzU wS9Q5uIciJTmbgCyZB/NQ1pz9w== X-Google-Smtp-Source: AOwi7QD5Hmc1oMW0qMQZ6PdQd0kDidjcwBJR5qcZZyq5EMj454+ZXMOy8bA84I7Qf8upsvJi8g7vpA== X-Received: by 10.31.9.211 with SMTP id 202mr2332158vkj.80.1507988465010; Sat, 14 Oct 2017 06:41:05 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.31.188.207 with SMTP id m198ls2379059vkf.21.gmail; Sat, 14 Oct 2017 06:41:04 -0700 (PDT) X-Received: by 10.31.161.87 with SMTP id k84mr289834vke.7.1507988464176; Sat, 14 Oct 2017 06:41:04 -0700 (PDT) In-Reply-To: <561eb731-f0fc-4c9e-8e5f-43083b64af17@isocpp.org> X-Original-Sender: euloanty@live.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:34897 Archived-At: ------=_Part_6356_676853891.1507988463693 Content-Type: multipart/alternative; boundary="----=_Part_6357_1833108532.1507988463694" ------=_Part_6357_1833108532.1507988463694 Content-Type: text/plain; charset="UTF-8" g++ 7.2 g++ , -O2 clang 4.9 -O2 VS 2017 -O2 They all cant optimize it On Saturday, October 14, 2017 at 9:39:43 AM UTC-4, Todd Fleming wrote: > If you benchmarked, then please report your timings, especially for > vector. Indicate which compiler including version you used and compiler > options. > > Todd > > On Saturday, October 14, 2017 at 9:27:44 AM UTC-4, ejsvifq mabmip wrote: >> >> https://github.com/euloanty/cqwrteur-vector/blob/master/deque.cc >> >> Try this code. >> >> BTW. deque is "slower" than vector because of this dumb check if >> >> On Saturday, October 14, 2017 at 9:24:37 AM UTC-4, eulo...@live.com >> wrote: >> >>> O2 wont eliminate this cost. It is not optimization issue. I always use >>> -O2 to compile my programs >>> >>>> >>>> -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/ab441c8f-4cf0-479f-908d-cc8e3c97ceb2%40isocpp.org. ------=_Part_6357_1833108532.1507988463694 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
g++ 7.2

g++ , -O2
=

clang 4.9 -O2

VS 201= 7 -O2

They all cant optimize it


= On Saturday, October 14, 2017 at 9:39:43 AM UTC-4, Todd Fleming wrote:
If you bench= marked, then please report your timings, especially for vector. Indicate wh= ich compiler including version you used and compiler options.

Todd

On Saturday, October 14, 2017 at 9:27:44 AM UTC-4, e= jsvifq mabmip wrote:

<= /div>
Try this code.

BTW. deque is "slowe= r" than vector because of this dumb check if

On Saturday, Octob= er 14, 2017 at 9:24:37 AM UTC-4, eulo...@live.com wrote:
O2 wont eliminate this c= ost. It is not optimization issue. I always use -O2 to compile my programs<= br>

=
=

--
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+unsubscribe@isocpp.org.
To post to this group, send email to std-proposals@isocpp.org.
To view this discussion on the web visit https://groups.google.= com/a/isocpp.org/d/msgid/std-proposals/ab441c8f-4cf0-479f-908d-cc8e3c97ceb2= %40isocpp.org.
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