From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: bignum branch Date: Tue, 17 Jul 2018 05:42:20 +0300 Message-ID: <83wotu7fcj.fsf@gnu.org> References: <87o9fbbw1t.fsf@tromey.com> <86in5jdj49.fsf@gmail.com> <83wotxaiwi.fsf@gnu.org> <86k1pxmvmx.fsf@gmail.com> <83efg4a6ie.fsf@gnu.org> <41221ccf-0c1a-c7e6-2204-e3f9056f7eb5@cs.ucla.edu> <838t6c9wx5.fsf@gnu.org> <53ba128d-7888-e15a-c4a2-1d7a65f51345@cs.ucla.edu> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1531795245 15851 195.159.176.226 (17 Jul 2018 02:40:45 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 17 Jul 2018 02:40:45 +0000 (UTC) Cc: andrewjmoreton@gmail.com, emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jul 17 04:40:41 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ffFur-00040R-4E for ged-emacs-devel@m.gmane.org; Tue, 17 Jul 2018 04:40:41 +0200 Original-Received: from localhost ([::1]:56801 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ffFwy-0007HH-2A for ged-emacs-devel@m.gmane.org; Mon, 16 Jul 2018 22:42:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48097) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ffFwN-0007H1-1X for emacs-devel@gnu.org; Mon, 16 Jul 2018 22:42:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ffFwI-0005mR-Df for emacs-devel@gnu.org; Mon, 16 Jul 2018 22:42:15 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59057) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ffFwI-0005mL-9i; Mon, 16 Jul 2018 22:42:10 -0400 Original-Received: from [176.228.60.248] (port=1308 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ffFwH-0005lV-NI; Mon, 16 Jul 2018 22:42:10 -0400 In-reply-to: <53ba128d-7888-e15a-c4a2-1d7a65f51345@cs.ucla.edu> (message from Paul Eggert on Mon, 16 Jul 2018 12:02:34 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:227491 Archived-At: > Cc: andrewjmoreton@gmail.com, emacs-devel@gnu.org > From: Paul Eggert > Date: Mon, 16 Jul 2018 12:02:34 -0700 > > Eli Zaretskii wrote: > > Not sure what you mean by "our GMP substitute source code". Do you > > mean mini-gmp? I didn't yet look at it, and so I don't know what that > > means in practice. (Someone said it's less efficient than GMP?) > > Yes, I meant mini-gmp. The functions in mini-gmp have the same problem, so I'm unsure why this solution is better. > And yes, it'd be less efficient than real GMP, something > we'd have to live with on 32-bit-long hosts until GMP gets its act together > (which I hope wouldn't take that long). I don't think the efficiency loss would > be major, as bignums aren't commonly used. To, just published a patch that should work with mini-gmp and GMP alike, so I think we already have a way ahead.