From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0F58C433EF for ; Thu, 21 Jul 2022 14:55:31 +0000 (UTC) Received: from localhost ([::1]:60820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEXaD-0001xK-Sn for qemu-devel@archiver.kernel.org; Thu, 21 Jul 2022 10:55:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41222) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oETTK-0005MA-IB for qemu-devel@nongnu.org; Thu, 21 Jul 2022 06:31:58 -0400 Received: from mga17.intel.com ([192.55.52.151]:1766) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oETTH-0000x9-Qj for qemu-devel@nongnu.org; Thu, 21 Jul 2022 06:31:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658399515; x=1689935515; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=hvQNhh+UVCwVIAajR1WmLdaNYqWUdzazlec0Qdmh6d0=; b=B95yYEWzFKfIjHPcMKkPfzUPUOr5naJZrgmE6wR5exKW2gRX0Gw9TaVQ cjHE0jZOueH2fYSGA0tG/iCCOB4zCFltMYSypIq/babmIQGqCZqzymsCZ 8m7hxXP4N2dRjkh9UyaJMtaAQRVIYmdzM9k1eKRTaPB1lnmUKNxsIjEYH dn+/istLK9LpTSpgdIcNj0WaCGyyE1z+TfNNhNl+Js+QGO9f8JrapjFoG xdoMu95pIqsu9k/4Tl2nA2ZE370EW2vBDlf0WQKxyBqDqbg0B2eLJg7G6 shRsR2OmEoH2qSYhLhJaZjg4/6MNhbY3A94kqV7egwhrqRVBTfaYc8qEC w==; X-IronPort-AV: E=McAfee;i="6400,9594,10414"; a="267407915" X-IronPort-AV: E=Sophos;i="5.92,289,1650956400"; d="scan'208";a="267407915" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2022 03:31:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,289,1650956400"; d="scan'208";a="598415336" Received: from xuling-b360m-d3h.sh.intel.com ([10.239.82.110]) by orsmga002.jf.intel.com with ESMTP; 21 Jul 2022 03:31:51 -0700 From: ling xu To: qemu-devel@nongnu.org Cc: quintela@redhat.com, dgilbert@redhat.com, ling xu Subject: [PATCH 0/1] This patch provides AVX512 support for xbzrle_encode_buffer function Date: Thu, 21 Jul 2022 18:31:46 +0800 Message-Id: <20220721103147.96608-1-ling1.xu@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=192.55.52.151; envelope-from=ling1.xu@intel.com; helo=mga17.intel.com X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 21 Jul 2022 10:50:32 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds avx512 support for xbzrle_encode_buffer function to accelerate xbzrle encoding speed. The specific avx512 implementation is provided in qemu/migration/xbzrle.c. We provide AVX512 intrinsic support in qemu/configure file to enable avx512 in complier. And added unit test called "test_encode_decode_random" is provided in qemu/tests/u nits/test-xbzrle.c. ling xu (1): Add AVX512 support for xbzrle_encode_buffer function configure | 434 ++++++++++++++++++++++++++++++++++++++- migration/ram.c | 6 + migration/xbzrle.c | 177 ++++++++++++++++ migration/xbzrle.h | 4 + tests/unit/test-xbzrle.c | 307 +++++++++++++++++++++++++-- 5 files changed, 908 insertions(+), 20 deletions(-) -- 2.25.1