From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RCVD_IN_SORBS_SPAM, RP_MATCHES_RCVD shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 27C741FF34 for ; Thu, 11 May 2017 07:44:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755129AbdEKHoq (ORCPT ); Thu, 11 May 2017 03:44:46 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:34346 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754785AbdEKHop (ORCPT ); Thu, 11 May 2017 03:44:45 -0400 Received: by mail-wm0-f66.google.com with SMTP id d127so4943180wmf.1 for ; Thu, 11 May 2017 00:44:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hoOa748kBgDzW+Ho9MX9gwEXR+ciS/s7TFMK/+1K4Xg=; b=qKNB3eXwTk5cH2b0NUAWeQIJRjRfKRUk1/B+1oP8sXzVOcpaUIjXp78WbYU2+YOSsW uTmQ9yH7prDqgIFkVrIP+12PBY6pC1mez/YUVFhTPUxVLrVv2pcn2PSFwLz9oPNoRu7/ 3hnpdxHKZwHlKiWYS3PTPcFwEvFFb0+hVNsYobg8HvWipVfYkbSlgGiAvSxIjkCtlQ+7 BRpfLVaL9zD54I3DhAJIL5yuF+rV4waHsP58b72l8Qpbkgrq05hu3A5OX/pPgIz3rBLD dvt1aq7OzfR2D6iIP5cCOShKrj9yXe257BFCsT2TT6T+Skb4D2iDFxqt6SkuN5r2JjNP 65Rg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hoOa748kBgDzW+Ho9MX9gwEXR+ciS/s7TFMK/+1K4Xg=; b=m8QyosnOCOqvO+oXbYY4DguHhhk7xiXLRFwPQPDC8XFb0K/71GsSVC4DjoV8IOzrP1 eaWW+4elRgcse0+6fVnPXyiPjZQTov3FUy/L9oupkT4fYFLhrMCZW7/GTqfIKZKbwSHv tPuwzXIgkrlSnewLOV/kwPvB4GwXkPrjjaiy5Yi9+P/jDbOBmQrorEFOorimox05hEIz Gw+66Q32AAbStXCOdaIAL/1hzjFmUK0GEEkswo+jGn/tmF5IeSrG69meGAHCLHQ863WN InKAmw73Kvwi/zTWsC9UmWiT4M4aZSAg2JEeDAF7mu1P+ELMzZFjQd0Umsi+cvqu6TuR DFwA== X-Gm-Message-State: AODbwcA4W2bPBMqDsBLyt97BuewpbCjiAo+nZr0VL1/S0W/G4TyXjeKD 2S8hyohhmxqUgg== X-Received: by 10.80.145.198 with SMTP id h6mr7407776eda.108.1494488659732; Thu, 11 May 2017 00:44:19 -0700 (PDT) Received: from u.nix.is ([2a01:4f8:190:5095::2]) by smtp.gmail.com with ESMTPSA id c35sm325071eda.55.2017.05.11.00.44.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 May 2017 00:44:18 -0700 (PDT) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Junio C Hamano , =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= , Jonathan Nieder , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH v3 0/2] perf: show that wildmatch() regressed for pathological cases in v2.0 Date: Thu, 11 May 2017 07:43:52 +0000 Message-Id: <20170511074354.11336-1-avarab@gmail.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Fixes the issues noted in v3, see <20170510225316.31680-1-avarab@gmail.com> (https://public-inbox.org/git/20170510225316.31680-1-avarab@gmail.com/). In addition I was wrong about for-each-ref not being subjected to this slowdown, I was just screwing up the testcase. Fix that. Now: $ GIT_PERF_REPEAT_COUNT=1 GIT_PERF_MAKE_OPTS="-j6 NO_OPENSSL=Y NO_WILDMATCH=YesPlease" ./run v1.9.5 v2.12.0 p0100-globbing.sh Test v1.9.5 v2.12.0 ------------------------------------------------------------------------------------------------- 0100.2: refglob((a*)^nb) against tag (a^100).t; n = 1 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.3: refglob((a*)^nb) against tag (a^100).t; n = 2 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.4: refglob((a*)^nb) against tag (a^100).t; n = 3 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.5: refglob((a*)^nb) against tag (a^100).t; n = 4 0.00(0.00+0.00) 0.01(0.00+0.00) +inf 0100.6: refglob((a*)^nb) against tag (a^100).t; n = 5 0.00(0.00+0.00) 0.16(0.15+0.00) +inf 0100.7: refglob((a*)^nb) against tag (a^100).t; n = 6 0.00(0.00+0.00) 2.73(2.71+0.00) +inf 0100.8: fileglob((a*)^nb) against file (a^100).t; n = 1 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.9: fileglob((a*)^nb) against file (a^100).t; n = 2 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.10: fileglob((a*)^nb) against file (a^100).t; n = 3 0.00(0.00+0.00) 0.00(0.00+0.00) = 0100.11: fileglob((a*)^nb) against file (a^100).t; n = 4 0.00(0.00+0.00) 0.01(0.00+0.00) +inf 0100.12: fileglob((a*)^nb) against file (a^100).t; n = 5 0.00(0.00+0.00) 0.16(0.15+0.00) +inf 0100.13: fileglob((a*)^nb) against file (a^100).t; n = 6 0.00(0.00+0.00) 2.75(2.73+0.00) +inf Ævar Arnfjörð Bjarmason (2): perf: add function to setup a fresh test repo perf: add test showing exponential growth in path globbing t/perf/README | 1 + t/perf/p0100-globbing.sh | 43 +++++++++++++++++++++++++++++++++++++++++++ t/perf/perf-lib.sh | 17 +++++++++++++---- 3 files changed, 57 insertions(+), 4 deletions(-) create mode 100755 t/perf/p0100-globbing.sh -- 2.11.0