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[217.232.48.61]) by smtp.gmail.com with ESMTPSA id l14sm396696wrs.22.2021.07.09.07.34.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Jul 2021 07:34:55 -0700 (PDT) Subject: Re: [RFC PATCH] gitlab-ci: Test compilation on Windows with MSYS2 To: =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= References: <20210709075218.1796207-1-thuth@redhat.com> From: Thomas Huth Message-ID: Date: Fri, 9 Jul 2021 16:34:54 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@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=-0.45, 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: qemu-devel@nongnu.org, Wainer dos Santos Moschetta , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , Willian Rampazzo , Yonggang Luo , =?UTF-8?Q?Alex_Benn=c3=a9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 09/07/2021 10.20, Daniel P. Berrangé wrote: > On Fri, Jul 09, 2021 at 09:52:18AM +0200, Thomas Huth wrote: >> Gitlab also provides runners with Windows, we can use them to >> test compilation with MSYS2. >> >> However, it takes quite a long time to set up the VM, so to >> stay in the 1h time frame, we can only compile and check one >> target here. And there is also still a problem with compiling >> the multiboot.bin in pc-bios/optionrom/, so this is currently >> disabled, too. > > THe gitlab VM provisioning seems quite fast (2+1/2 minutes), > so I guess you mean the time is sunk in intsalling msys > packages. > > In the crurent Cirrus job there's a bunch of code that is > done to cache all the msys install, so that 90% of the time > we're merely extracting a local zipfile. > > I wonder if we can do similar caching here. Maybe, yes. It might save 10 - 15 minutes or so, I guess. > Perhaps even > have 2 seprate jobs running on the windows runner. The > first job can just build a zip file and store it as an > artifact and cache it in gitlab for speed. The second > job can do the actual build ? I'm not sure ... the Windows builders are likely single-threaded on Gitlab, too, just like the Linux containers. So that the main problem - while we can compile with -j8 on Cirrus, it's 8 times slower on Gitlab. Thomas