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[2a01:c23:8458:b600:ad60:edb5:3902:c635]) by smtp.gmail.com with ESMTPSA id i67sm877690wma.12.2020.06.30.02.59.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2020 02:59:37 -0700 (PDT) Date: Tue, 30 Jun 2020 11:59:36 +0200 From: Lars-Dominik Braun To: Ludovic =?iso-8859-1?Q?Court=E8s?= Subject: Re: bug#41702: `guix environment` performance issues Message-ID: <20200630095936.GA3630@zpidnp36> References: <20200604082316.GA3146@zpidnp36> <87mu5gtbwg.fsf@gnu.org> <20200608090453.GC3166@zpidnp36> <87k10hp6ba.fsf@gnu.org> <20200609091522.GB8597@zpidnp36> <87wo3sjjdw.fsf@gnu.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="mP3DRpeJDSE+ciuQ" Content-Disposition: inline In-Reply-To: <87wo3sjjdw.fsf@gnu.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 41702 Cc: 41702@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) --mP3DRpeJDSE+ciuQ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Ludo, > The patch below is a noticeable improvement for me. On my laptop, >=20 > GUIX_DAEMON_SOCKET=3Dssh://localhost ./pre-inst-env guix build libreoff= ice -n=20 >=20 > goes from 5.8s to 3.3s. It just does the same thing as we do for > guix://. >=20 > Could you check what results it gives you? looking pretty good, comparing master without/with patch: ---snip--- N Min Max Median Avg Stddev x 10 16.87 20.77 17.44 17.802 1.1228515 + 10 9.92 13.67 10.19 10.569 1.1254574 Difference at 99.0% confidence -7.233 +/- 1.44688 -40.6303% +/- 6.68735% ---snap--- > There=E2=80=99s a project to rewrite the daemon in Scheme, started by Cal= eb > Ristvedt (reepa) as part of GSoC a few years ago. This could be an > opportunity to add a new version of the protocol that would support > pipelining. Given how much improvement you=E2=80=99ve achieved so far I=E2=80=99d say w= e can (for now) probably get away with the current protocol. Still, what=E2=80=99s the stat= us of this daemon? Lars --mP3DRpeJDSE+ciuQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEyk+M9DfXR4/aBV/UQhN3ARo3hEYFAl77DQMACgkQQhN3ARo3 hEZuWAwAs5btXPUr3WH4g/FqdVHSqbn6QRe6Lo8WPqKZq2IHKpk+HR+VWwRT+uyu o9S41JWMk00cbFr9I4xi2xyyld1J3NSDDOrGPP8sjxz7Z/y/h13Dh2vV3lHborEx 2ItAxK9+nGThJaFdFFdVOTd/1DZb7nLnaoQ6jrhVaQ2kMD3XmXd2dkNu/vEd8tat DV2li5sWznnvmyglyGA7gRyPVdJITy8lhRPeOn1MVNWVRxAgHZMmB/pUKcL+7KB1 msmUuylIa0suKoFwqSOh9Mw6t8tGIaNEPaaJtjWKu5ew9tg0vnEsRPJU3cunuDtJ RS/7tWk3nU+0wXCMErUgdfb9Tm3yebTopHCuyIFhC+z9M5X1owPmUNQdk5hdgbxE +972C/fzlVABPtj2UEhfV9E48gEuON66NJOjdQBeGH0qohAadTQZmy4ln1ZMkYdw +cKeLzWKj/w07oeZQGO9IE38QO26xHMye0Dx219gmQ/ar0pFgTA4QPs1bs8j5BM6 XvzW6T5G =YULY -----END PGP SIGNATURE----- --mP3DRpeJDSE+ciuQ--