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=-4.0 required=3.0 tests=AWL,BAYES_00, 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 687EB2037F for ; Mon, 22 Apr 2019 21:02:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729104AbfDVVCR (ORCPT ); Mon, 22 Apr 2019 17:02:17 -0400 Received: from cloud.peff.net ([104.130.231.41]:37280 "HELO cloud.peff.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1729095AbfDVVCR (ORCPT ); Mon, 22 Apr 2019 17:02:17 -0400 Received: (qmail 5954 invoked by uid 109); 22 Apr 2019 21:02:17 -0000 Received: from Unknown (HELO peff.net) (10.0.1.2) by cloud.peff.net (qpsmtpd/0.94) with SMTP; Mon, 22 Apr 2019 21:02:17 +0000 Authentication-Results: cloud.peff.net; auth=none Received: (qmail 2909 invoked by uid 111); 22 Apr 2019 21:02:48 -0000 Received: from sigill.intra.peff.net (HELO sigill.intra.peff.net) (10.0.0.7) by peff.net (qpsmtpd/0.94) with (ECDHE-RSA-AES256-GCM-SHA384 encrypted) SMTP; Mon, 22 Apr 2019 17:02:48 -0400 Authentication-Results: peff.net; auth=none Received: by sigill.intra.peff.net (sSMTP sendmail emulation); Mon, 22 Apr 2019 17:02:15 -0400 Date: Mon, 22 Apr 2019 17:02:15 -0400 From: Jeff King To: Martin Fick Cc: Git Mailing List Subject: Re: Resolving deltas dominates clone time Message-ID: <20190422210214.GA31079@sigill.intra.peff.net> References: <259296914.jpyqiltySj@mfick-lnx> <20190420035825.GB3559@sigill.intra.peff.net> <16052712.dFCfNLlQnN@mfick-lnx> <20190422205653.GA30286@sigill.intra.peff.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190422205653.GA30286@sigill.intra.peff.net> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Mon, Apr 22, 2019 at 04:56:54PM -0400, Jeff King wrote: > > I suspect at 3 threads, seems like the default? > > Ah, right, I forgot we cap it at 3 (which was determined experimentally, > and which we more or less attributed to lock contention as the > bottleneck). I think you need to use $GIT_FORCE_THREADS to override it. Ah, nevermind this. Using --threads will do what you expect. The cap at 3 only applies when we've just picked the number of available CPUs as a default. -Peff