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 8098CC00140 for ; Mon, 8 Aug 2022 07:51:33 +0000 (UTC) Received: from localhost ([::1]:59122 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oKxXw-0006Mn-8u for qemu-devel@archiver.kernel.org; Mon, 08 Aug 2022 03:51:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44046) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKxVS-0004K9-Tt for qemu-devel@nongnu.org; Mon, 08 Aug 2022 03:48:58 -0400 Received: from mga11.intel.com ([192.55.52.93]:42888) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oKxVO-0007gG-Om for qemu-devel@nongnu.org; Mon, 08 Aug 2022 03:48:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659944934; x=1691480934; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Ixj+8ci74yfPIDw+O9BD8NmImkJ4uRJ8To9nzQ2fVHc=; b=k7Lai78TzE0w2nH1wP328K5OAQ7PSviz7wLG582rvXGwQKfTGNyXmf9B kPtEbl4xk+FyHgzclmhOeKprjJkugv1S65ZVAFzRcBC0OW4Njd3qeaJmf qiOPxTUzdxeTk/hviemBUN+TN9mKbvtLP7HlMGQgq3WZaeOn8zZpTQ9Ca D2xumo3b/icidQDoyJPFKcZw3YtIxQDHcq26oq4cUojKvhp1eFKD+acrH x5+joENqA4sRJa7pGd2nMKAapgzD16zoGOgknRnmY1A0FiNC0xwctaHbR DPvhRF/NyprDrGD2rqwvcujQ3LUkdAMPNurp9imMrXBFAZCUmm+f31Nas w==; X-IronPort-AV: E=McAfee;i="6400,9594,10432"; a="288093873" X-IronPort-AV: E=Sophos;i="5.93,221,1654585200"; d="scan'208";a="288093873" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Aug 2022 00:48:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,221,1654585200"; d="scan'208";a="600993100" Received: from xuling-b360m-d3h.sh.intel.com ([10.239.82.110]) by orsmga007.jf.intel.com with ESMTP; 08 Aug 2022 00:48:40 -0700 From: ling xu To: qemu-devel@nongnu.org Cc: quintela@redhat.com, dgilbert@redhat.com, ling xu Subject: [PATCH v3 0/2] This patch updates runtime check of AVX512 Date: Mon, 8 Aug 2022 15:48:35 +0800 Message-Id: <20220808074837.1484760-1-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=192.55.52.93; envelope-from=ling1.xu@intel.com; helo=mga11.intel.com X-Spam_score_int: -71 X-Spam_score: -7.2 X-Spam_bar: ------- X-Spam_report: (-7.2 / 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_HI=-5, 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-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 updates runtime check of AVX512 and update avx512 support for xbzrle_encode_buffer function to accelerate xbzrle encoding speed. The runtime check is updated in meson.build and meson_options.txt. The updated AVX512 algorithm is provided in ram.c, xbzrle.c and xbzrle.h. The test code is provided in test-xbzrle.c. Previous discussion is refered below: https://www.mail-archive.com/qemu-devel@nongnu.org/msg903520.html ling xu (2): Update AVX512 support for xbzrle_encode_buffer function Test code for AVX512 support for xbzrle_encode_buffer meson.build | 16 ++ meson_options.txt | 2 + migration/ram.c | 41 ++++++ migration/xbzrle.c | 181 +++++++++++++++++++++++ migration/xbzrle.h | 4 + tests/unit/test-xbzrle.c | 307 ++++++++++++++++++++++++++++++++++++--- 6 files changed, 534 insertions(+), 17 deletions(-) -- 2.25.1