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: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.1 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 532F520248 for ; Tue, 12 Mar 2019 10:11:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726325AbfCLKLw (ORCPT ); Tue, 12 Mar 2019 06:11:52 -0400 Received: from mail-io1-f43.google.com ([209.85.166.43]:34308 "EHLO mail-io1-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725873AbfCLKLw (ORCPT ); Tue, 12 Mar 2019 06:11:52 -0400 Received: by mail-io1-f43.google.com with SMTP id n11so1605290ioh.1 for ; Tue, 12 Mar 2019 03:11:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gViPfLlwQLcS8oOyXIMuMc97cGmWGgWTizO11pUJY2M=; b=PPd0ihRf0lJqgfTMgaA1eQyy2IoN+AA+5YQvgIRjR88sTtgPhrcIF7ZcZNKksiTXFD xug3uSV+wmr8nELPJSvmPf74PBEntVqEzUboQ/NY+1H+ZHLp0835n0aSsWZt5mIcffSs vH6dlgKaksXN4sEhtr5jG8VusmVooeG4GXOGFh75xkA8bq6a8P5zoKvHTI4p0pBP5Icn p8I/0PfPgeCrVRdAvncVgdHSHC+moXAvbWc0kqD3w4P7MSNguf0d9MVN7slqnnnzpLwm 2YxMmBvyQv9J4Bjvrh1oWV+hE+/WbNY4HR96rmCSyAeSmyZpGZUSYAoYzyf40qX/mdbR Xf5A== 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; bh=gViPfLlwQLcS8oOyXIMuMc97cGmWGgWTizO11pUJY2M=; b=e1uhwvlQB2iNlE8HxG0ph6PMFLP4fjHWQHqNWZrXseKhuRgWbf16sF0WavFcLLTJHN FzP/HV+8yXMu6WyYfF0ODdBB3P+uGAZHkjYo6gdneW0QK2rRpbNhFnZO+ACKcYGKnFbp lF5vSmvKOBKeukFZG8NG710/AGtYTnhWGkmO4XjOK7dQJEiQAO9B/or9F2daWMrDR6wI N/gwbbuw0vvvM4i+DP3Nkt12ZyTWoXQ4Ykf1HM+ywdTVAm1vd8CkD5ZKEHRVkLjIXL9g SdYHaWn/De0SOtcd6EewteIuigdzP8vDynFShZwskrEC89RGhXHCHa5eqcZIgol+CGqa wI5Q== X-Gm-Message-State: APjAAAXw1nyeJRnPKN+kfmylV1V7Y7vqYyq4GuDkdci9degSnzq06wuq YqUhyRBQl7KRCBIJEBK7UbdYKVgoobU7+t35ttxCGw== X-Google-Smtp-Source: APXvYqyhPuqvaf9WWZoZ2y3XeTCVy96HweUf1Q9/uttkDsdVcM2ZTY7Wyh/HjhKUKqpMCHwIKG1PObxNW77zLju/NAM= X-Received: by 2002:a5d:9357:: with SMTP id i23mr16502082ioo.236.1552385511230; Tue, 12 Mar 2019 03:11:51 -0700 (PDT) MIME-Version: 1.0 References: <20190302150900.GU6085@hank.intra.tgummerer.com> <20190305045140.GH19800@sigill.intra.peff.net> <20190312100237.GA20471@ash> In-Reply-To: <20190312100237.GA20471@ash> From: Duy Nguyen Date: Tue, 12 Mar 2019 17:11:24 +0700 Message-ID: Subject: Re: Questions on GSoC 2019 Ideas To: Matheus Tavares Bernardino Cc: Jeff King , Christian Couder , Thomas Gummerer , git , =?UTF-8?B?0J7Qu9GPINCi0LXQu9C10LbQvdCw0Y8=?= , Elijah Newren , Tanushree Tumane Content-Type: text/plain; charset="UTF-8" Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Tue, Mar 12, 2019 at 5:02 PM Duy Nguyen wrote: > We have to analyze case by case. It may turn out that there are many s/are/aren't/ > opportunity to utilize multi threads. I think checkout is definitely a > good candidate. For "git diff" and "git log" maybe you can try "perf" > to see how much workload is locked in pack access (mostly inflation, > because it's easier to spot from the profile report) -- Duy