From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-11.4 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,T_DKIMWL_WL_MED,USER_IN_DEF_DKIM_WL shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 2A21A1F597 for ; Wed, 18 Jul 2018 21:02:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728908AbeGRVmL (ORCPT ); Wed, 18 Jul 2018 17:42:11 -0400 Received: from mail-yb0-f193.google.com ([209.85.213.193]:37268 "EHLO mail-yb0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726633AbeGRVmL (ORCPT ); Wed, 18 Jul 2018 17:42:11 -0400 Received: by mail-yb0-f193.google.com with SMTP id r3-v6so2415042ybo.4 for ; Wed, 18 Jul 2018 14:02:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=t6mSIWRjVjZWUm1tkEg+y7Q1sLTz9OWNaBty4N2dq70=; b=V45Pzk9OljGwW/SB69f7U3B4nFa7AnZiwPmfrPUpyEwaluW0FwWT9tdVopR6k5t56O fIZYcbMOx4XNUbaPikBptbxukOzYkDVspb71M+hOYofTvO0DXwCWPSaCBOFDqJ7CSOkN C/DE5cXrog6otreuoKmIea2FombG6fwYlKNC08yX8GbM1dBXKwSdMmBOqnZEF0pMT67Y otJvaHp+j+pqT+pmURALZEdC0YS10GgdportHdWEQYR/YqjLoQFXkrWRgDxtRJ2QeXW6 V93OAJroLV8RqIinVDI2Z+vtVLYMfyj7SiPghEleUAqNFi++VxkahdkkD7MioDEahNAy UDzw== 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:cc:content-transfer-encoding; bh=t6mSIWRjVjZWUm1tkEg+y7Q1sLTz9OWNaBty4N2dq70=; b=Qmhy8uZXtmeMoYosJTBrXflKgiSTjOI6kfUt1xAPpO1XxyFlAfyST08WZS6praJyCe EfTuLy4ovoonDsy3xG5d4Sm0yHrzWTzb8N9QnZ4qBcCkJEAXmn5uCWxkm0iBJx8h3oKl BQ2XRmnPqjG2LRkxizYDj7ZCyyg/uK4iYJGgK1PXAbLtjvlgTjYvGsWINpRJr8ilWdvl BSMNFFHliz4pjP5DpHf48PQUVx9gOecNcpPsURvr/KTwGWgx5VhNFYMwA5L2qqsYwLHf KAqMRxLg3RERMQTJjiKDmRotHlQ8mE1XiAsJF0ARXp8/hChfVkT2CiPL2naVrz816clh q4gA== X-Gm-Message-State: AOUpUlGN8KHSKc7r4ahqLbRbm3g0LRLy57tD5M6NykmGNcIjUuSyD3sk myYkPiadlOLwIf5jAQOUjl8fUliC4j5KIvIVOQCQy/WPWQI= X-Google-Smtp-Source: AAOMgpd4ZXyFCNo5nBQK7w0p3diT05EWywN7mMmonAXyJ014ZZD4RE4tFySeKBlP9RZH8fXtZFxTljnVNt8IrtP34YY= X-Received: by 2002:a5b:307:: with SMTP id j7-v6mr4108983ybp.352.1531947750179; Wed, 18 Jul 2018 14:02:30 -0700 (PDT) MIME-Version: 1.0 References: <20180718204458.20936-1-benpeart@microsoft.com> In-Reply-To: <20180718204458.20936-1-benpeart@microsoft.com> From: Stefan Beller Date: Wed, 18 Jul 2018 14:02:19 -0700 Message-ID: Subject: Re: [PATCH v1 0/3] [RFC] Speeding up checkout (and merge, rebase, etc) To: Ben Peart Cc: git , Junio C Hamano Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org > don=EF=BF=BDt The encoding seems to be broken somehow (also on) https://public-inbox.org/git/20180718204458.20936-1-benpeart@microsoft.com/ > When I brought up this idea with some other git contributors they mention= ed > that multi threading unpack_trees() had been discussed a few years ago on https://public-inbox.org/git/CACsJy8A0KUyxK_2NAMh+da9yithZM5d68rhqEVZe3NcMx= inAjA@mail.gmail.com/ https://public-inbox.org/git/20160415095139.GA3985@lanh/ > the list but that the idea was discarded. They couldn=EF=BF=BDt remember= exactly > why it was discarded and none of us have been able to find the email thre= ads > from that earlier discussion. As a result, I decided to write up this RFC > and see if the greater git community has ideas, suggestions, or more > background/history on whether this is a reasonable path to pursue or if > there are other/better ideas on how to speed up checkout especially on la= rge > repos. If you want more than a bare bones threaded queue, see https://public-inbox.org/git/1440724495-708-5-git-send-email-sbeller@google= .com/ for inspiration. Stefan