From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,T_DKIM_INVALID, T_RP_MATCHES_RCVD shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 1360E1F404 for ; Fri, 30 Mar 2018 18:58:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752374AbeC3S60 (ORCPT ); Fri, 30 Mar 2018 14:58:26 -0400 Received: from mail-wr0-f173.google.com ([209.85.128.173]:38086 "EHLO mail-wr0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752121AbeC3S60 (ORCPT ); Fri, 30 Mar 2018 14:58:26 -0400 Received: by mail-wr0-f173.google.com with SMTP id m13so8704643wrj.5 for ; Fri, 30 Mar 2018 11:58:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=U8Jq8P0mXO6UUNGGE50R6WrBGloKNoB4zcObZw81fiU=; b=n3fzV4F0qcjmFcXoqoGUCY1JsZwr+sX/VQEYaWPyPtVBMhHEvGs9qJR2QzoosXUpHg D0gGQpCHTe7y/2kzA/KwIPVW8d+HDqaKLLYcm2VnhTBxOP4vwCWEPC2S75PZwqtEw4aA sRNYfz/7MiFp2HF+v0rgyRhVnwDgiNMT9cUWDj5+ntZmtQqlTJko0JPOHuyv5/ndwsAC Jz2pQ7j6VSh7MDZbaSrSzIzc8RRrqr41R6CF9NIUN47VgQ4fzyr9gkGEnNhICI0KA/+1 tqwGCgVO0qGEzNUs56kCqARz9LhhjqRwu9+K6VpXch+lPQHDpsX7Hh9xFm67sPhGvVrr YXXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version :content-transfer-encoding; bh=U8Jq8P0mXO6UUNGGE50R6WrBGloKNoB4zcObZw81fiU=; b=Sxcf0jRnnqbBUnKRv9ACB8t2xBFZhDNRG0A69tvDKv7khB+TWw73GsGmNvAz1xorj4 tJDlzLQzxX5zs+fi96JPLUASmvnwBlgKiMf3v90LkBxqT0dp1AA1bsRr/HhtxUa5d4OG IxZz9NC6wUpZTnfLW051XPH7aPR49PrNBB7xYWugY9Yb2uSpsonF3wB8/gFZJhhIC97t InYat1p8jDNS4GwEFxyZmpxk/IeMq4bHLZzUJj7IgaXSa7aRpu0WcTP1FxG+bTvdfk5q 7IOH9vyKn2DnYMosnUYeSwJRY4usqvQNG7Ul+ZnpuziqD8+u5yzmjZ5Y0pxV/ivVPDYV we1g== X-Gm-Message-State: AElRT7H4WVT0tUEqbS6DGldjJxyXXOxpZ+4s8wxdceBmKcN0dkJlvpHh 3Etel/NqsFX8019JwZx4gIA= X-Google-Smtp-Source: AIpwx4/WKM7020hzJowXSvsXpR0ZuNegQ5IW6T9tfMap0L1OFlDk7msO8jzsO9HNYlIO+5Tjxf/EzQ== X-Received: by 10.223.128.227 with SMTP id 90mr97253wrl.1.1522436304563; Fri, 30 Mar 2018 11:58:24 -0700 (PDT) Received: from localhost (168.50.187.35.bc.googleusercontent.com. [35.187.50.168]) by smtp.gmail.com with ESMTPSA id 90sm11884491wrl.10.2018.03.30.11.58.23 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 30 Mar 2018 11:58:23 -0700 (PDT) From: Junio C Hamano To: =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason Cc: Johannes Schindelin , Jeff King , Stefan Beller , git , Thomas Rast , Phil Haack , Jason Frey , Philip Oakley , Duy Nguyen Subject: Re: A potential approach to making tests faster on Windows References: <899ea23951627426ccd0aac79f824af386c5590c.1522336130.git.johannes.schindelin@gmx.de> <20180329194159.GB2939@sigill.intra.peff.net> <87fu4hwgfa.fsf@evledraar.gmail.com> Date: Fri, 30 Mar 2018 11:58:23 -0700 In-Reply-To: <87fu4hwgfa.fsf@evledraar.gmail.com> (=?utf-8?B?IsOGdmFyIEFy?= =?utf-8?B?bmZqw7Zyw7A=?= Bjarmason"'s message of "Fri, 30 Mar 2018 20:45:45 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Ævar Arnfjörð Bjarmason writes: > On Fri, Mar 30 2018, Johannes Schindelin wrote [expressing frustrations > about Windows test suite slowness]: > > I've wondered for a while whether it wouldn't be a viable approach to > make something like an interpreter for our test suite to get around this > problem, i.e. much of it's very repetitive and just using a few shell > functions we've defined, what if we had C equivalents of those? > ... > > I don't have time or interest to work on this now, but thought it was > interesting to share. This assumes that something in shellscript like: > > while echo foo; do echo bar; done > > Is no slower on Windows than *nix, since it's purely using built-ins, as > opposed to something that would shell out. That's interesting; it certainly is appreciated to be constructive to find a usable solution.