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Fri, 09 Jun 2023 17:43:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q7jst-0003Me-7s for bug-guix@gnu.org; Fri, 09 Jun 2023 17:43:03 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1q7jsr-00010z-Pr for bug-guix@gnu.org; Fri, 09 Jun 2023 17:43:01 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#63986: Julia is very slow Resent-From: Cayetano Santos Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Fri, 09 Jun 2023 21:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 63986 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 63986@debbugs.gnu.org X-Debbugs-Original-To: bug-guix@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.16863469703881 (code B ref -1); Fri, 09 Jun 2023 21:43:01 +0000 Received: (at submit) by debbugs.gnu.org; 9 Jun 2023 21:42:50 +0000 Received: from localhost ([127.0.0.1]:32900 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1q7jsf-00010X-MZ for submit@debbugs.gnu.org; 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using BenchmarkTools; N= =3D 1000; A =3D rand(N, N); B =3D rand(N, N); @btime $A*$B' gives around 530 ms in my laptop when using guix provided julia. Same behavior when running within a guix container. This very same code, using the binary one may download from the julia site gives 15 ms. I=E2=80=99m using here an up to date guix. As a reference, julia binary provided by archlinux takes also 15 ms. Thanks, Cayetano Santos