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[83.51.215.31]) by smtp.gmail.com with ESMTPSA id ch30sm12723958edb.92.2021.05.18.01.56.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 May 2021 01:56:10 -0700 (PDT) Subject: Re: [PATCH 2/3] ci: do not use #processors+1 jobs, #processors is enough To: Paolo Bonzini , qemu-devel@nongnu.org References: <20210518084139.97957-1-pbonzini@redhat.com> <20210518084139.97957-3-pbonzini@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Tue, 18 May 2021 10:56:09 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210518084139.97957-3-pbonzini@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/18/21 10:41 AM, Paolo Bonzini wrote: > I could not reconstruct the origin of the $(($(nproc) + 1)) idiom, I guess it is the historical way make would aggressively use the most compute power it could? Then later this bad habit impact was reduced by the -l option to keep make under some system load value. > but I suspect it was there only to have a sensible result when nproc > or getconf do not exist. This can be achieved also with an "||". > > Signed-off-by: Paolo Bonzini > --- > .gitlab-ci.yml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) BTW more candidates: .gitlab-ci.d/edk2.yml:49: - export JOBS=$(($(getconf _NPROCESSORS_ONLN) + 1)) .gitlab-ci.d/opensbi.yml:52: - export JOBS=$(($(getconf _NPROCESSORS_ONLN) + 1)) .travis.yml:93: - export JOBS=3 Reviewed-by: Philippe Mathieu-Daudé