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Mon, 28 Sep 2026 07:14:52 -0400 (EDT) Received: by mail (OpenSMTPD) with ESMTPSA id 8ebe383d (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Mon, 28 Sep 2026 11:14:50 +0000 (UTC) Date: Mon, 28 Sep 2026 13:14:47 +0200 From: Patrick Steinhardt To: Tamir Duberstein Cc: git@vger.kernel.org, Junio C Hamano , Jeff King Subject: Re: [PATCH v2 2/2] ci: align job counts across CI providers Message-ID: References: <20260925-ci-large-test-resources-v2-0-f632cf319756@gmail.com> <20260925-ci-large-test-resources-v2-2-f632cf319756@gmail.com> Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Sep 28, 2026 at 06:16:33AM -0400, Tamir Duberstein wrote: > On Mon, Sep 28, 2026 at 2:36 AM Patrick Steinhardt wrote: > > > > On Fri, Sep 25, 2026 at 12:35:39PM -0400, Tamir Duberstein wrote: > > > GitHub Actions sets JOBS to ten regardless of runner size, while > > > GitLab CI uses the detected CPU count. Use the CPU count for Make and > > > prove on both providers, selecting JOBS after the operating system > > > is identified. > > > > Again, it should be noted here what the effect of this is. In other > > words, does GitHub slow down as a result? You already showed numbers > > during the discussion on v1 of this series, and these numbers should > > probably be included in this message, too. > > Agreed, but in this case there was no reliable performance change > across 10 runs; I could include that. I think it should be included, as it's the one thing that people will be wondering about when they see this change. Patrick