From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by sourceware.org (Postfix) with ESMTPS id 11998385B832 for ; Sun, 5 Apr 2020 08:50:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 11998385B832 Received: by mail-wm1-x32f.google.com with SMTP id x25so430403wmc.0 for ; Sun, 05 Apr 2020 01:50:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=x3Inz4DAS7AOZAhT8Rnw1LGTPsWgkry0i1uueQ4xzAs=; b=A5OfprPixvWNJgzzvF+O9Jk8N4yCWKYs5vm6ML7LdYksx2iaC4eVNJRWfh5XBt6vqa B691Hp4v4K7EPnT1AcDWqreVR4W5tZw+TeonjSuGSwxCWZv9A2c8eP5k8LwmW/e2NJ88 FYrV/PF0zt9B1aHdaj4OpFOxUKHh9TUTeWVq0IOvEHZ68V4HVQS0WCfH+XnwO0h9AwmZ DAqQGPzL53PUIhOmZyAnUsW7vGCYcfmQI1SVvPmD+i+KuJ1Oo8RsAu00BijLPhsQuyvu xKBsrU8hgVWlm5vVSmwud6xARfF8jZ/xoox8Q5vFbqlo0faNxsf4sbWwI0MAUdGoH6Rn pJjA== X-Gm-Message-State: AGi0PuZpXEaKMmbHP0qrXqEUdyXYUmO0BWYlnNWXL4MlmZo3isqWvtGr RwzbRK55aNsPLwW0IXGwC69PRRenVp0I2JP3dsv9L8yu3C0= X-Google-Smtp-Source: APiQypKWJKkZGrddOWpF3laYNAwCEzJfMZOEfRs+tAInceb7XY82R2E/K67MdoYVa+zQWC5EJkdHOHzBpmKQPlaAhnA= X-Received: by 2002:a1c:7c18:: with SMTP id x24mr17538861wmc.41.1586076600625; Sun, 05 Apr 2020 01:50:00 -0700 (PDT) MIME-Version: 1.0 References: <51717d4a9c861fd90b5f9a58b84b308a@mail.kylheku.com> <1239492934.20200405004017@yandex.ru> In-Reply-To: <1239492934.20200405004017@yandex.ru> From: Csaba Raduly Date: Sun, 5 Apr 2020 10:49:49 +0200 Message-ID: Subject: Re: Using ARM GNU GCC with Cygwin To: cygwin list X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 05 Apr 2020 08:50:03 -0000 On Sat, Apr 4, 2020 at 11:50 PM Andrey Repin wrote: > Greetings, Kaz Kylheku! > > > On 2020-04-04 02:00, Ben wrote: > >> Is there something else I'm missing? > > > That by cross-compiling for your targets on Cygwin instead of a real > > POSIX OS, you will something like double your compile times, if not > > more. > > Proof, please. > > This is not cross-compiling, but... git clone https://github.com/eclipse/titan.core.git cd titan.core time make -j8 On Cygwin: real 7m46.830s user 22m3.272s sys 3m33.598s On WSL Ubuntu: real 2m12.984s user 5m11.656s sys 2m16.875s Csaba -- You can get very substantial performance improvements by not doing the right thing. - Scott Meyers, An Effective C++11/14 Sampler So if you're looking for a completely portable, 100% standards-conformant way to get the wrong information: this is what you want. - Scott Meyers (C++TDaWYK)