From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3215 2.6.0.0/16 X-Spam-Status: No, score=-4.3 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 13C6C1F5AE for ; Thu, 29 Apr 2021 14:13:57 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 1DF553947433; Thu, 29 Apr 2021 14:13:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1DF553947433 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1619705636; bh=09Fhvzz1GLfDwyoarAnfYjIfUEHOlu9ZN7ZwNyxeoCc=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=Ib7EEIvqME6AGvTL+8+nCGbRNak8Pp4Wa38rXH3ouYDNT6orRBejQCQ/cdQuWuSNP p5JgNShw/iGOalX61WqleHV4/LXCnmcsrjeKC80cfAhfWAwTilcL5z8iRPKIJ/cMdw S6kh5C3+Idwmq4uIs8TQm7orcKI1j16z0q+nG/T8= Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 43DB33947433 for ; Thu, 29 Apr 2021 14:13:53 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 43DB33947433 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-139-A2Fo8JwQN8yh1aqvnsxq5w-1; Thu, 29 Apr 2021 10:13:50 -0400 X-MC-Unique: A2Fo8JwQN8yh1aqvnsxq5w-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BA0FB89F9A2 for ; Thu, 29 Apr 2021 14:13:48 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-115-124.ams2.redhat.com [10.36.115.124]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2A4265D735; Thu, 29 Apr 2021 14:13:40 +0000 (UTC) To: Carlos O'Donell Subject: Re: [PATCH v4 4/4] Add generic C.UTF-8 locale (Bug 17318) References: <20210428130033.3196848-1-carlos@redhat.com> <20210428130033.3196848-5-carlos@redhat.com> Date: Thu, 29 Apr 2021 16:13:52 +0200 In-Reply-To: <20210428130033.3196848-5-carlos@redhat.com> (Carlos O'Donell's message of "Wed, 28 Apr 2021 09:00:33 -0400") Message-ID: <87eeetfaan.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: libc-alpha@sourceware.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" * Carlos O'Donell: > We add a new C.UTF-8 locale. This locale is not builtin to glibc, but > is provided as a distinct locale. The locale provides full support > for UTF-8 and this includes full code point sorting via collation > (excludes surrogates). Unfortuantely given the present implementation > in glibc this results in 28MiB of LC_COLLATE data for all possible > Unicode code points. Future improvements may reduce this size. Such > improvements likely require a shortcut for the collation data that > relies on C.UTF-8 single-byte sorting being equivalent to strcmp. > > The new locale is NOT added to SUPPORTED. Minimal test data for > specific code points (minus those not supported by collate-test) is > provided in C.UTF-8.in, and this verifies code point sorting is > working reasonably across the range. > > The next step is to reduce LC_COLLATE to a manageable size before we > enable the locale in SUPPORTED. Fully testing C.UTF-8 collation can > add ~5-7 minutes to the locale testing (collate-test, and xfrm-test > twice) so we don't enable full testing of all code points until we can > parallelize the sort-test test. Testing sort-test with C.UTF-8 minimal > test data passes cleanly. Can you compare this locale with what is in Fedora and Debian, for the non-collaction/CTYPE aspects? Are there other distributions which ship a downstream C.UTF-8 locale? Thanks, Florian