From patchwork Fri Aug 10 19:12:11 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Lien X-Patchwork-Id: 10563093 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1F11290E3 for ; Fri, 10 Aug 2018 19:13:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0CFAE2BC9C for ; Fri, 10 Aug 2018 19:13:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EEB382BCBE; Fri, 10 Aug 2018 19:13:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A4892BCA8 for ; Fri, 10 Aug 2018 19:13:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727058AbeHJVoS (ORCPT ); Fri, 10 Aug 2018 17:44:18 -0400 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:6915 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726619AbeHJVoS (ORCPT ); Fri, 10 Aug 2018 17:44:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1533928388; x=1565464388; h=from:to:cc:subject:date:message-id:mime-version; bh=HqE0N8PbSbSqOWGQAOMO7wyidgGltHQh/27ovsQ5iPk=; b=ElK8Xdpze9bcQSbIhjTNnDT3FkZFTRDyshFdmnWUs3EC5/WjnVKJZVRb I+HEarqOra/ab11dONQGy9kardqvV9O2KEzo+xnGEorTGPTk+iLUMxtxA fjEwWinWacCgybICt+w5Wz5vblBXL91FRr3LyIjJxKp1NN1RnjCuXZ6VC jOFquFK3nf+2t/DGA+L68QK3/hxBREHCLLdA9ktITuLYHMEmUptiEdpT7 /Pqn72anb21pdV1zWSRhZXeJmF+JW2OXXO0B1dcRQFtOe7f7PGcxuxeiw Uhv4USC1NfsWOPRlBZbkgZGf9WUcOwmUbZSoNThJztxAjdQn7h8YZ8y7o Q==; X-IronPort-AV: E=Sophos;i="5.53,220,1531756800"; d="scan'208";a="191224533" Received: from mail-by2nam01lp0176.outbound.protection.outlook.com (HELO NAM01-BY2-obe.outbound.protection.outlook.com) ([216.32.181.176]) by ob1.hgst.iphmx.com with ESMTP; 11 Aug 2018 03:13:07 +0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sharedspace.onmicrosoft.com; s=selector1-wdc-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=3JBzZqLWIrfnIdAEZnFjgxN+M5na/a1KcrgjxjdafCs=; b=R8n3khP2yzsu85CYcyI3HRVCT7lbwYF/JDQ59+Tf2PmO4i1lHC6WOjtvRbZ9uTZNrNzZE+ESYpBcnKdYpNxnSKSoBNnGPf2NdmFTZhU6xwMzCJlGhI1KvC5okGd5a1KRaR3rARPKtSXXdGpluTZ18k0e+Y53f169yte7Rekqc0Y= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Jeff.Lien@wdc.com; Received: from jlien.hgst.com (199.255.44.172) by SN1PR04MB1824.namprd04.prod.outlook.com (2a01:111:e400:583b::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1038.21; Fri, 10 Aug 2018 19:13:00 +0000 From: Jeff Lien To: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org Cc: herbert@gondor.apana.org.au, tim.c.chen@linux.intel.com, martin.petersen@oracle.com, david.darrington@wdc.com, jeff.furlong@wdc.com, Jeff Lien Subject: [PATCH] Performance Improvement in CRC16 Calculations. 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For example, today with sequential write workloads (one thread/CPU of IO) we consume 100% of the CPU because of the CRC16 computation bottleneck. Today's block devices are considerably faster, but the CRC16 calculation prevents folks from utilizing the throughput of such devices. To speed up this calculation and expose the block device throughput, we slice the old single byte for loop into a 16 byte for loop, with a larger CRC table to match. The result has shown 5x performance improvements on various big endian and little endian systems running the 4.18.0 kernel version. FIO Sequential Write, 64K Block Size, Queue Depth 64 BE Base Kernel: bw=201.5 MiB/s BE Modified CRC Calc: bw=968.1 MiB/s 4.80x performance improvement LE Base Kernel: bw=357 MiB/s LE Modified CRC Calc: bw=1964 MiB/s 5.51x performance improvement FIO Sequential Read, 64K Block Size, Queue Depth 64 BE Base Kernel: bw=611.2 MiB/s BE Modified CRC calc: bw=684.9 MiB/s 1.12x performance improvement LE Base Kernel: bw=797 MiB/s LE Modified CRC Calc: bw=2730 MiB/s 3.42x performance improvement Reviewed-by: Dave Darrington Reviewed-by: Jeff Furlong Signed-off-by: Jeff Lien Acked-by: Nicolas Pitre Signed-off-by: Douglas Gilbert --- crypto/crct10dif_common.c | 605 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 569 insertions(+), 36 deletions(-) diff --git a/crypto/crct10dif_common.c b/crypto/crct10dif_common.c index b2fab36..40e1d6c 100644 --- a/crypto/crct10dif_common.c +++ b/crypto/crct10dif_common.c @@ -32,47 +32,580 @@ * x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1 * gt: 0x8bb7 */ -static const __u16 t10_dif_crc_table[256] = { - 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, - 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, - 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, - 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, - 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, - 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, - 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, - 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, - 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, - 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, - 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, - 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, - 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, - 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, - 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, - 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, - 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, - 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, - 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, - 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, - 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, - 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, - 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, - 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, - 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, - 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, - 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, - 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, - 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, - 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, - 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, - 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 +static const __u16 t10_dif_crc_table[16][256] = { + { + 0x0000u, 0x8BB7u, 0x9CD9u, 0x176Eu, 0xB205u, 0x39B2u, 0x2EDCu, 0xA56Bu, + 0xEFBDu, 0x640Au, 0x7364u, 0xF8D3u, 0x5DB8u, 0xD60Fu, 0xC161u, 0x4AD6u, + 0x54CDu, 0xDF7Au, 0xC814u, 0x43A3u, 0xE6C8u, 0x6D7Fu, 0x7A11u, 0xF1A6u, + 0xBB70u, 0x30C7u, 0x27A9u, 0xAC1Eu, 0x0975u, 0x82C2u, 0x95ACu, 0x1E1Bu, + 0xA99Au, 0x222Du, 0x3543u, 0xBEF4u, 0x1B9Fu, 0x9028u, 0x8746u, 0x0CF1u, + 0x4627u, 0xCD90u, 0xDAFEu, 0x5149u, 0xF422u, 0x7F95u, 0x68FBu, 0xE34Cu, + 0xFD57u, 0x76E0u, 0x618Eu, 0xEA39u, 0x4F52u, 0xC4E5u, 0xD38Bu, 0x583Cu, + 0x12EAu, 0x995Du, 0x8E33u, 0x0584u, 0xA0EFu, 0x2B58u, 0x3C36u, 0xB781u, + 0xD883u, 0x5334u, 0x445Au, 0xCFEDu, 0x6A86u, 0xE131u, 0xF65Fu, 0x7DE8u, + 0x373Eu, 0xBC89u, 0xABE7u, 0x2050u, 0x853Bu, 0x0E8Cu, 0x19E2u, 0x9255u, + 0x8C4Eu, 0x07F9u, 0x1097u, 0x9B20u, 0x3E4Bu, 0xB5FCu, 0xA292u, 0x2925u, + 0x63F3u, 0xE844u, 0xFF2Au, 0x749Du, 0xD1F6u, 0x5A41u, 0x4D2Fu, 0xC698u, + 0x7119u, 0xFAAEu, 0xEDC0u, 0x6677u, 0xC31Cu, 0x48ABu, 0x5FC5u, 0xD472u, + 0x9EA4u, 0x1513u, 0x027Du, 0x89CAu, 0x2CA1u, 0xA716u, 0xB078u, 0x3BCFu, + 0x25D4u, 0xAE63u, 0xB90Du, 0x32BAu, 0x97D1u, 0x1C66u, 0x0B08u, 0x80BFu, + 0xCA69u, 0x41DEu, 0x56B0u, 0xDD07u, 0x786Cu, 0xF3DBu, 0xE4B5u, 0x6F02u, + 0x3AB1u, 0xB106u, 0xA668u, 0x2DDFu, 0x88B4u, 0x0303u, 0x146Du, 0x9FDAu, + 0xD50Cu, 0x5EBBu, 0x49D5u, 0xC262u, 0x6709u, 0xECBEu, 0xFBD0u, 0x7067u, + 0x6E7Cu, 0xE5CBu, 0xF2A5u, 0x7912u, 0xDC79u, 0x57CEu, 0x40A0u, 0xCB17u, + 0x81C1u, 0x0A76u, 0x1D18u, 0x96AFu, 0x33C4u, 0xB873u, 0xAF1Du, 0x24AAu, + 0x932Bu, 0x189Cu, 0x0FF2u, 0x8445u, 0x212Eu, 0xAA99u, 0xBDF7u, 0x3640u, + 0x7C96u, 0xF721u, 0xE04Fu, 0x6BF8u, 0xCE93u, 0x4524u, 0x524Au, 0xD9FDu, + 0xC7E6u, 0x4C51u, 0x5B3Fu, 0xD088u, 0x75E3u, 0xFE54u, 0xE93Au, 0x628Du, + 0x285Bu, 0xA3ECu, 0xB482u, 0x3F35u, 0x9A5Eu, 0x11E9u, 0x0687u, 0x8D30u, + 0xE232u, 0x6985u, 0x7EEBu, 0xF55Cu, 0x5037u, 0xDB80u, 0xCCEEu, 0x4759u, + 0x0D8Fu, 0x8638u, 0x9156u, 0x1AE1u, 0xBF8Au, 0x343Du, 0x2353u, 0xA8E4u, + 0xB6FFu, 0x3D48u, 0x2A26u, 0xA191u, 0x04FAu, 0x8F4Du, 0x9823u, 0x1394u, + 0x5942u, 0xD2F5u, 0xC59Bu, 0x4E2Cu, 0xEB47u, 0x60F0u, 0x779Eu, 0xFC29u, + 0x4BA8u, 0xC01Fu, 0xD771u, 0x5CC6u, 0xF9ADu, 0x721Au, 0x6574u, 0xEEC3u, + 0xA415u, 0x2FA2u, 0x38CCu, 0xB37Bu, 0x1610u, 0x9DA7u, 0x8AC9u, 0x017Eu, + 0x1F65u, 0x94D2u, 0x83BCu, 0x080Bu, 0xAD60u, 0x26D7u, 0x31B9u, 0xBA0Eu, + 0xF0D8u, 0x7B6Fu, 0x6C01u, 0xE7B6u, 0x42DDu, 0xC96Au, 0xDE04u, 0x55B3u + }, + { + 0x0000u, 0x7562u, 0xEAC4u, 0x9FA6u, 0x5E3Fu, 0x2B5Du, 0xB4FBu, 0xC199u, + 0xBC7Eu, 0xC91Cu, 0x56BAu, 0x23D8u, 0xE241u, 0x9723u, 0x0885u, 0x7DE7u, + 0xF34Bu, 0x8629u, 0x198Fu, 0x6CEDu, 0xAD74u, 0xD816u, 0x47B0u, 0x32D2u, + 0x4F35u, 0x3A57u, 0xA5F1u, 0xD093u, 0x110Au, 0x6468u, 0xFBCEu, 0x8EACu, + 0x6D21u, 0x1843u, 0x87E5u, 0xF287u, 0x331Eu, 0x467Cu, 0xD9DAu, 0xACB8u, + 0xD15Fu, 0xA43Du, 0x3B9Bu, 0x4EF9u, 0x8F60u, 0xFA02u, 0x65A4u, 0x10C6u, + 0x9E6Au, 0xEB08u, 0x74AEu, 0x01CCu, 0xC055u, 0xB537u, 0x2A91u, 0x5FF3u, + 0x2214u, 0x5776u, 0xC8D0u, 0xBDB2u, 0x7C2Bu, 0x0949u, 0x96EFu, 0xE38Du, + 0xDA42u, 0xAF20u, 0x3086u, 0x45E4u, 0x847Du, 0xF11Fu, 0x6EB9u, 0x1BDBu, + 0x663Cu, 0x135Eu, 0x8CF8u, 0xF99Au, 0x3803u, 0x4D61u, 0xD2C7u, 0xA7A5u, + 0x2909u, 0x5C6Bu, 0xC3CDu, 0xB6AFu, 0x7736u, 0x0254u, 0x9DF2u, 0xE890u, + 0x9577u, 0xE015u, 0x7FB3u, 0x0AD1u, 0xCB48u, 0xBE2Au, 0x218Cu, 0x54EEu, + 0xB763u, 0xC201u, 0x5DA7u, 0x28C5u, 0xE95Cu, 0x9C3Eu, 0x0398u, 0x76FAu, + 0x0B1Du, 0x7E7Fu, 0xE1D9u, 0x94BBu, 0x5522u, 0x2040u, 0xBFE6u, 0xCA84u, + 0x4428u, 0x314Au, 0xAEECu, 0xDB8Eu, 0x1A17u, 0x6F75u, 0xF0D3u, 0x85B1u, + 0xF856u, 0x8D34u, 0x1292u, 0x67F0u, 0xA669u, 0xD30Bu, 0x4CADu, 0x39CFu, + 0x3F33u, 0x4A51u, 0xD5F7u, 0xA095u, 0x610Cu, 0x146Eu, 0x8BC8u, 0xFEAAu, + 0x834Du, 0xF62Fu, 0x6989u, 0x1CEBu, 0xDD72u, 0xA810u, 0x37B6u, 0x42D4u, + 0xCC78u, 0xB91Au, 0x26BCu, 0x53DEu, 0x9247u, 0xE725u, 0x7883u, 0x0DE1u, + 0x7006u, 0x0564u, 0x9AC2u, 0xEFA0u, 0x2E39u, 0x5B5Bu, 0xC4FDu, 0xB19Fu, + 0x5212u, 0x2770u, 0xB8D6u, 0xCDB4u, 0x0C2Du, 0x794Fu, 0xE6E9u, 0x938Bu, + 0xEE6Cu, 0x9B0Eu, 0x04A8u, 0x71CAu, 0xB053u, 0xC531u, 0x5A97u, 0x2FF5u, + 0xA159u, 0xD43Bu, 0x4B9Du, 0x3EFFu, 0xFF66u, 0x8A04u, 0x15A2u, 0x60C0u, + 0x1D27u, 0x6845u, 0xF7E3u, 0x8281u, 0x4318u, 0x367Au, 0xA9DCu, 0xDCBEu, + 0xE571u, 0x9013u, 0x0FB5u, 0x7AD7u, 0xBB4Eu, 0xCE2Cu, 0x518Au, 0x24E8u, + 0x590Fu, 0x2C6Du, 0xB3CBu, 0xC6A9u, 0x0730u, 0x7252u, 0xEDF4u, 0x9896u, + 0x163Au, 0x6358u, 0xFCFEu, 0x899Cu, 0x4805u, 0x3D67u, 0xA2C1u, 0xD7A3u, + 0xAA44u, 0xDF26u, 0x4080u, 0x35E2u, 0xF47Bu, 0x8119u, 0x1EBFu, 0x6BDDu, + 0x8850u, 0xFD32u, 0x6294u, 0x17F6u, 0xD66Fu, 0xA30Du, 0x3CABu, 0x49C9u, + 0x342Eu, 0x414Cu, 0xDEEAu, 0xAB88u, 0x6A11u, 0x1F73u, 0x80D5u, 0xF5B7u, + 0x7B1Bu, 0x0E79u, 0x91DFu, 0xE4BDu, 0x2524u, 0x5046u, 0xCFE0u, 0xBA82u, + 0xC765u, 0xB207u, 0x2DA1u, 0x58C3u, 0x995Au, 0xEC38u, 0x739Eu, 0x06FCu + }, + { + 0x0000u, 0x7E66u, 0xFCCCu, 0x82AAu, 0x722Fu, 0x0C49u, 0x8EE3u, 0xF085u, + 0xE45Eu, 0x9A38u, 0x1892u, 0x66F4u, 0x9671u, 0xE817u, 0x6ABDu, 0x14DBu, + 0x430Bu, 0x3D6Du, 0xBFC7u, 0xC1A1u, 0x3124u, 0x4F42u, 0xCDE8u, 0xB38Eu, + 0xA755u, 0xD933u, 0x5B99u, 0x25FFu, 0xD57Au, 0xAB1Cu, 0x29B6u, 0x57D0u, + 0x8616u, 0xF870u, 0x7ADAu, 0x04BCu, 0xF439u, 0x8A5Fu, 0x08F5u, 0x7693u, + 0x6248u, 0x1C2Eu, 0x9E84u, 0xE0E2u, 0x1067u, 0x6E01u, 0xECABu, 0x92CDu, + 0xC51Du, 0xBB7Bu, 0x39D1u, 0x47B7u, 0xB732u, 0xC954u, 0x4BFEu, 0x3598u, + 0x2143u, 0x5F25u, 0xDD8Fu, 0xA3E9u, 0x536Cu, 0x2D0Au, 0xAFA0u, 0xD1C6u, + 0x879Bu, 0xF9FDu, 0x7B57u, 0x0531u, 0xF5B4u, 0x8BD2u, 0x0978u, 0x771Eu, + 0x63C5u, 0x1DA3u, 0x9F09u, 0xE16Fu, 0x11EAu, 0x6F8Cu, 0xED26u, 0x9340u, + 0xC490u, 0xBAF6u, 0x385Cu, 0x463Au, 0xB6BFu, 0xC8D9u, 0x4A73u, 0x3415u, + 0x20CEu, 0x5EA8u, 0xDC02u, 0xA264u, 0x52E1u, 0x2C87u, 0xAE2Du, 0xD04Bu, + 0x018Du, 0x7FEBu, 0xFD41u, 0x8327u, 0x73A2u, 0x0DC4u, 0x8F6Eu, 0xF108u, + 0xE5D3u, 0x9BB5u, 0x191Fu, 0x6779u, 0x97FCu, 0xE99Au, 0x6B30u, 0x1556u, + 0x4286u, 0x3CE0u, 0xBE4Au, 0xC02Cu, 0x30A9u, 0x4ECFu, 0xCC65u, 0xB203u, + 0xA6D8u, 0xD8BEu, 0x5A14u, 0x2472u, 0xD4F7u, 0xAA91u, 0x283Bu, 0x565Du, + 0x8481u, 0xFAE7u, 0x784Du, 0x062Bu, 0xF6AEu, 0x88C8u, 0x0A62u, 0x7404u, + 0x60DFu, 0x1EB9u, 0x9C13u, 0xE275u, 0x12F0u, 0x6C96u, 0xEE3Cu, 0x905Au, + 0xC78Au, 0xB9ECu, 0x3B46u, 0x4520u, 0xB5A5u, 0xCBC3u, 0x4969u, 0x370Fu, + 0x23D4u, 0x5DB2u, 0xDF18u, 0xA17Eu, 0x51FBu, 0x2F9Du, 0xAD37u, 0xD351u, + 0x0297u, 0x7CF1u, 0xFE5Bu, 0x803Du, 0x70B8u, 0x0EDEu, 0x8C74u, 0xF212u, + 0xE6C9u, 0x98AFu, 0x1A05u, 0x6463u, 0x94E6u, 0xEA80u, 0x682Au, 0x164Cu, + 0x419Cu, 0x3FFAu, 0xBD50u, 0xC336u, 0x33B3u, 0x4DD5u, 0xCF7Fu, 0xB119u, + 0xA5C2u, 0xDBA4u, 0x590Eu, 0x2768u, 0xD7EDu, 0xA98Bu, 0x2B21u, 0x5547u, + 0x031Au, 0x7D7Cu, 0xFFD6u, 0x81B0u, 0x7135u, 0x0F53u, 0x8DF9u, 0xF39Fu, + 0xE744u, 0x9922u, 0x1B88u, 0x65EEu, 0x956Bu, 0xEB0Du, 0x69A7u, 0x17C1u, + 0x4011u, 0x3E77u, 0xBCDDu, 0xC2BBu, 0x323Eu, 0x4C58u, 0xCEF2u, 0xB094u, + 0xA44Fu, 0xDA29u, 0x5883u, 0x26E5u, 0xD660u, 0xA806u, 0x2AACu, 0x54CAu, + 0x850Cu, 0xFB6Au, 0x79C0u, 0x07A6u, 0xF723u, 0x8945u, 0x0BEFu, 0x7589u, + 0x6152u, 0x1F34u, 0x9D9Eu, 0xE3F8u, 0x137Du, 0x6D1Bu, 0xEFB1u, 0x91D7u, + 0xC607u, 0xB861u, 0x3ACBu, 0x44ADu, 0xB428u, 0xCA4Eu, 0x48E4u, 0x3682u, + 0x2259u, 0x5C3Fu, 0xDE95u, 0xA0F3u, 0x5076u, 0x2E10u, 0xACBAu, 0xD2DCu + }, + { + 0x0000u, 0x82B5u, 0x8EDDu, 0x0C68u, 0x960Du, 0x14B8u, 0x18D0u, 0x9A65u, + 0xA7ADu, 0x2518u, 0x2970u, 0xABC5u, 0x31A0u, 0xB315u, 0xBF7Du, 0x3DC8u, + 0xC4EDu, 0x4658u, 0x4A30u, 0xC885u, 0x52E0u, 0xD055u, 0xDC3Du, 0x5E88u, + 0x6340u, 0xE1F5u, 0xED9Du, 0x6F28u, 0xF54Du, 0x77F8u, 0x7B90u, 0xF925u, + 0x026Du, 0x80D8u, 0x8CB0u, 0x0E05u, 0x9460u, 0x16D5u, 0x1ABDu, 0x9808u, + 0xA5C0u, 0x2775u, 0x2B1Du, 0xA9A8u, 0x33CDu, 0xB178u, 0xBD10u, 0x3FA5u, + 0xC680u, 0x4435u, 0x485Du, 0xCAE8u, 0x508Du, 0xD238u, 0xDE50u, 0x5CE5u, + 0x612Du, 0xE398u, 0xEFF0u, 0x6D45u, 0xF720u, 0x7595u, 0x79FDu, 0xFB48u, + 0x04DAu, 0x866Fu, 0x8A07u, 0x08B2u, 0x92D7u, 0x1062u, 0x1C0Au, 0x9EBFu, + 0xA377u, 0x21C2u, 0x2DAAu, 0xAF1Fu, 0x357Au, 0xB7CFu, 0xBBA7u, 0x3912u, + 0xC037u, 0x4282u, 0x4EEAu, 0xCC5Fu, 0x563Au, 0xD48Fu, 0xD8E7u, 0x5A52u, + 0x679Au, 0xE52Fu, 0xE947u, 0x6BF2u, 0xF197u, 0x7322u, 0x7F4Au, 0xFDFFu, + 0x06B7u, 0x8402u, 0x886Au, 0x0ADFu, 0x90BAu, 0x120Fu, 0x1E67u, 0x9CD2u, + 0xA11Au, 0x23AFu, 0x2FC7u, 0xAD72u, 0x3717u, 0xB5A2u, 0xB9CAu, 0x3B7Fu, + 0xC25Au, 0x40EFu, 0x4C87u, 0xCE32u, 0x5457u, 0xD6E2u, 0xDA8Au, 0x583Fu, + 0x65F7u, 0xE742u, 0xEB2Au, 0x699Fu, 0xF3FAu, 0x714Fu, 0x7D27u, 0xFF92u, + 0x09B4u, 0x8B01u, 0x8769u, 0x05DCu, 0x9FB9u, 0x1D0Cu, 0x1164u, 0x93D1u, + 0xAE19u, 0x2CACu, 0x20C4u, 0xA271u, 0x3814u, 0xBAA1u, 0xB6C9u, 0x347Cu, + 0xCD59u, 0x4FECu, 0x4384u, 0xC131u, 0x5B54u, 0xD9E1u, 0xD589u, 0x573Cu, + 0x6AF4u, 0xE841u, 0xE429u, 0x669Cu, 0xFCF9u, 0x7E4Cu, 0x7224u, 0xF091u, + 0x0BD9u, 0x896Cu, 0x8504u, 0x07B1u, 0x9DD4u, 0x1F61u, 0x1309u, 0x91BCu, + 0xAC74u, 0x2EC1u, 0x22A9u, 0xA01Cu, 0x3A79u, 0xB8CCu, 0xB4A4u, 0x3611u, + 0xCF34u, 0x4D81u, 0x41E9u, 0xC35Cu, 0x5939u, 0xDB8Cu, 0xD7E4u, 0x5551u, + 0x6899u, 0xEA2Cu, 0xE644u, 0x64F1u, 0xFE94u, 0x7C21u, 0x7049u, 0xF2FCu, + 0x0D6Eu, 0x8FDBu, 0x83B3u, 0x0106u, 0x9B63u, 0x19D6u, 0x15BEu, 0x970Bu, + 0xAAC3u, 0x2876u, 0x241Eu, 0xA6ABu, 0x3CCEu, 0xBE7Bu, 0xB213u, 0x30A6u, + 0xC983u, 0x4B36u, 0x475Eu, 0xC5EBu, 0x5F8Eu, 0xDD3Bu, 0xD153u, 0x53E6u, + 0x6E2Eu, 0xEC9Bu, 0xE0F3u, 0x6246u, 0xF823u, 0x7A96u, 0x76FEu, 0xF44Bu, + 0x0F03u, 0x8DB6u, 0x81DEu, 0x036Bu, 0x990Eu, 0x1BBBu, 0x17D3u, 0x9566u, + 0xA8AEu, 0x2A1Bu, 0x2673u, 0xA4C6u, 0x3EA3u, 0xBC16u, 0xB07Eu, 0x32CBu, + 0xCBEEu, 0x495Bu, 0x4533u, 0xC786u, 0x5DE3u, 0xDF56u, 0xD33Eu, 0x518Bu, + 0x6C43u, 0xEEF6u, 0xE29Eu, 0x602Bu, 0xFA4Eu, 0x78FBu, 0x7493u, 0xF626u + }, + { + 0x0000u, 0x1368u, 0x26D0u, 0x35B8u, 0x4DA0u, 0x5EC8u, 0x6B70u, 0x7818u, + 0x9B40u, 0x8828u, 0xBD90u, 0xAEF8u, 0xD6E0u, 0xC588u, 0xF030u, 0xE358u, + 0xBD37u, 0xAE5Fu, 0x9BE7u, 0x888Fu, 0xF097u, 0xE3FFu, 0xD647u, 0xC52Fu, + 0x2677u, 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0xFA2Fu, 0x7C85u, 0x878Eu, + 0x8755u, 0x7C5Eu, 0xFAF4u, 0x01FFu, 0x7C17u, 0x871Cu, 0x01B6u, 0xFABDu, + 0x7F7Bu, 0x8470u, 0x02DAu, 0xF9D1u, 0x8439u, 0x7F32u, 0xF998u, 0x0293u, + 0x0248u, 0xF943u, 0x7FE9u, 0x84E2u, 0xF90Au, 0x0201u, 0x84ABu, 0x7FA0u, + 0x851Du, 0x7E16u, 0xF8BCu, 0x03B7u, 0x7E5Fu, 0x8554u, 0x03FEu, 0xF8F5u, + 0xF82Eu, 0x0325u, 0x858Fu, 0x7E84u, 0x036Cu, 0xF867u, 0x7ECDu, 0x85C6u, + 0xFEF6u, 0x05FDu, 0x8357u, 0x785Cu, 0x05B4u, 0xFEBFu, 0x7815u, 0x831Eu, + 0x83C5u, 0x78CEu, 0xFE64u, 0x056Fu, 0x7887u, 0x838Cu, 0x0526u, 0xFE2Du, + 0x0490u, 0xFF9Bu, 0x7931u, 0x823Au, 0xFFD2u, 0x04D9u, 0x8273u, 0x7978u, + 0x79A3u, 0x82A8u, 0x0402u, 0xFF09u, 0x82E1u, 0x79EAu, 0xFF40u, 0x044Bu, + 0x818Du, 0x7A86u, 0xFC2Cu, 0x0727u, 0x7ACFu, 0x81C4u, 0x076Eu, 0xFC65u, + 0xFCBEu, 0x07B5u, 0x811Fu, 0x7A14u, 0x07FCu, 0xFCF7u, 0x7A5Du, 0x8156u, + 0x7BEBu, 0x80E0u, 0x064Au, 0xFD41u, 0x80A9u, 0x7BA2u, 0xFD08u, 0x0603u, + 0x06D8u, 0xFDD3u, 0x7B79u, 0x8072u, 0xFD9Au, 0x0691u, 0x803Bu, 0x7B30u, + 0x765Bu, 0x8D50u, 0x0BFAu, 0xF0F1u, 0x8D19u, 0x7612u, 0xF0B8u, 0x0BB3u, + 0x0B68u, 0xF063u, 0x76C9u, 0x8DC2u, 0xF02Au, 0x0B21u, 0x8D8Bu, 0x7680u, + 0x8C3Du, 0x7736u, 0xF19Cu, 0x0A97u, 0x777Fu, 0x8C74u, 0x0ADEu, 0xF1D5u, + 0xF10Eu, 0x0A05u, 0x8CAFu, 0x77A4u, 0x0A4Cu, 0xF147u, 0x77EDu, 0x8CE6u, + 0x0920u, 0xF22Bu, 0x7481u, 0x8F8Au, 0xF262u, 0x0969u, 0x8FC3u, 0x74C8u, + 0x7413u, 0x8F18u, 0x09B2u, 0xF2B9u, 0x8F51u, 0x745Au, 0xF2F0u, 0x09FBu, + 0xF346u, 0x084Du, 0x8EE7u, 0x75ECu, 0x0804u, 0xF30Fu, 0x75A5u, 0x8EAEu, + 0x8E75u, 0x757Eu, 0xF3D4u, 0x08DFu, 0x7537u, 0x8E3Cu, 0x0896u, 0xF39Du, + 0x88ADu, 0x73A6u, 0xF50Cu, 0x0E07u, 0x73EFu, 0x88E4u, 0x0E4Eu, 0xF545u, + 0xF59Eu, 0x0E95u, 0x883Fu, 0x7334u, 0x0EDCu, 0xF5D7u, 0x737Du, 0x8876u, + 0x72CBu, 0x89C0u, 0x0F6Au, 0xF461u, 0x8989u, 0x7282u, 0xF428u, 0x0F23u, + 0x0FF8u, 0xF4F3u, 0x7259u, 0x8952u, 0xF4BAu, 0x0FB1u, 0x891Bu, 0x7210u, + 0xF7D6u, 0x0CDDu, 0x8A77u, 0x717Cu, 0x0C94u, 0xF79Fu, 0x7135u, 0x8A3Eu, + 0x8AE5u, 0x71EEu, 0xF744u, 0x0C4Fu, 0x71A7u, 0x8AACu, 0x0C06u, 0xF70Du, + 0x0DB0u, 0xF6BBu, 0x7011u, 0x8B1Au, 0xF6F2u, 0x0DF9u, 0x8B53u, 0x7058u, + 0x7083u, 0x8B88u, 0x0D22u, 0xF629u, 0x8BC1u, 0x70CAu, 0xF660u, 0x0D6Bu + }, + { + 0x0000u, 0xECB6u, 0x52DBu, 0xBE6Du, 0xA5B6u, 0x4900u, 0xF76Du, 0x1BDBu, + 0xC0DBu, 0x2C6Du, 0x9200u, 0x7EB6u, 0x656Du, 0x89DBu, 0x37B6u, 0xDB00u, + 0x0A01u, 0xE6B7u, 0x58DAu, 0xB46Cu, 0xAFB7u, 0x4301u, 0xFD6Cu, 0x11DAu, + 0xCADAu, 0x266Cu, 0x9801u, 0x74B7u, 0x6F6Cu, 0x83DAu, 0x3DB7u, 0xD101u, + 0x1402u, 0xF8B4u, 0x46D9u, 0xAA6Fu, 0xB1B4u, 0x5D02u, 0xE36Fu, 0x0FD9u, + 0xD4D9u, 0x386Fu, 0x8602u, 0x6AB4u, 0x716Fu, 0x9DD9u, 0x23B4u, 0xCF02u, + 0x1E03u, 0xF2B5u, 0x4CD8u, 0xA06Eu, 0xBBB5u, 0x5703u, 0xE96Eu, 0x05D8u, + 0xDED8u, 0x326Eu, 0x8C03u, 0x60B5u, 0x7B6Eu, 0x97D8u, 0x29B5u, 0xC503u, + 0x2804u, 0xC4B2u, 0x7ADFu, 0x9669u, 0x8DB2u, 0x6104u, 0xDF69u, 0x33DFu, + 0xE8DFu, 0x0469u, 0xBA04u, 0x56B2u, 0x4D69u, 0xA1DFu, 0x1FB2u, 0xF304u, + 0x2205u, 0xCEB3u, 0x70DEu, 0x9C68u, 0x87B3u, 0x6B05u, 0xD568u, 0x39DEu, + 0xE2DEu, 0x0E68u, 0xB005u, 0x5CB3u, 0x4768u, 0xABDEu, 0x15B3u, 0xF905u, + 0x3C06u, 0xD0B0u, 0x6EDDu, 0x826Bu, 0x99B0u, 0x7506u, 0xCB6Bu, 0x27DDu, + 0xFCDDu, 0x106Bu, 0xAE06u, 0x42B0u, 0x596Bu, 0xB5DDu, 0x0BB0u, 0xE706u, + 0x3607u, 0xDAB1u, 0x64DCu, 0x886Au, 0x93B1u, 0x7F07u, 0xC16Au, 0x2DDCu, + 0xF6DCu, 0x1A6Au, 0xA407u, 0x48B1u, 0x536Au, 0xBFDCu, 0x01B1u, 0xED07u, + 0x5008u, 0xBCBEu, 0x02D3u, 0xEE65u, 0xF5BEu, 0x1908u, 0xA765u, 0x4BD3u, + 0x90D3u, 0x7C65u, 0xC208u, 0x2EBEu, 0x3565u, 0xD9D3u, 0x67BEu, 0x8B08u, + 0x5A09u, 0xB6BFu, 0x08D2u, 0xE464u, 0xFFBFu, 0x1309u, 0xAD64u, 0x41D2u, + 0x9AD2u, 0x7664u, 0xC809u, 0x24BFu, 0x3F64u, 0xD3D2u, 0x6DBFu, 0x8109u, + 0x440Au, 0xA8BCu, 0x16D1u, 0xFA67u, 0xE1BCu, 0x0D0Au, 0xB367u, 0x5FD1u, + 0x84D1u, 0x6867u, 0xD60Au, 0x3ABCu, 0x2167u, 0xCDD1u, 0x73BCu, 0x9F0Au, + 0x4E0Bu, 0xA2BDu, 0x1CD0u, 0xF066u, 0xEBBDu, 0x070Bu, 0xB966u, 0x55D0u, + 0x8ED0u, 0x6266u, 0xDC0Bu, 0x30BDu, 0x2B66u, 0xC7D0u, 0x79BDu, 0x950Bu, + 0x780Cu, 0x94BAu, 0x2AD7u, 0xC661u, 0xDDBAu, 0x310Cu, 0x8F61u, 0x63D7u, + 0xB8D7u, 0x5461u, 0xEA0Cu, 0x06BAu, 0x1D61u, 0xF1D7u, 0x4FBAu, 0xA30Cu, + 0x720Du, 0x9EBBu, 0x20D6u, 0xCC60u, 0xD7BBu, 0x3B0Du, 0x8560u, 0x69D6u, + 0xB2D6u, 0x5E60u, 0xE00Du, 0x0CBBu, 0x1760u, 0xFBD6u, 0x45BBu, 0xA90Du, + 0x6C0Eu, 0x80B8u, 0x3ED5u, 0xD263u, 0xC9B8u, 0x250Eu, 0x9B63u, 0x77D5u, + 0xACD5u, 0x4063u, 0xFE0Eu, 0x12B8u, 0x0963u, 0xE5D5u, 0x5BB8u, 0xB70Eu, + 0x660Fu, 0x8AB9u, 0x34D4u, 0xD862u, 0xC3B9u, 0x2F0Fu, 0x9162u, 0x7DD4u, + 0xA6D4u, 0x4A62u, 0xF40Fu, 0x18B9u, 0x0362u, 0xEFD4u, 0x51B9u, 0xBD0Fu + }, + { + 0x0000u, 0xA010u, 0xCB97u, 0x6B87u, 0x1C99u, 0xBC89u, 0xD70Eu, 0x771Eu, + 0x3932u, 0x9922u, 0xF2A5u, 0x52B5u, 0x25ABu, 0x85BBu, 0xEE3Cu, 0x4E2Cu, + 0x7264u, 0xD274u, 0xB9F3u, 0x19E3u, 0x6EFDu, 0xCEEDu, 0xA56Au, 0x057Au, + 0x4B56u, 0xEB46u, 0x80C1u, 0x20D1u, 0x57CFu, 0xF7DFu, 0x9C58u, 0x3C48u, + 0xE4C8u, 0x44D8u, 0x2F5Fu, 0x8F4Fu, 0xF851u, 0x5841u, 0x33C6u, 0x93D6u, + 0xDDFAu, 0x7DEAu, 0x166Du, 0xB67Du, 0xC163u, 0x6173u, 0x0AF4u, 0xAAE4u, + 0x96ACu, 0x36BCu, 0x5D3Bu, 0xFD2Bu, 0x8A35u, 0x2A25u, 0x41A2u, 0xE1B2u, + 0xAF9Eu, 0x0F8Eu, 0x6409u, 0xC419u, 0xB307u, 0x1317u, 0x7890u, 0xD880u, + 0x4227u, 0xE237u, 0x89B0u, 0x29A0u, 0x5EBEu, 0xFEAEu, 0x9529u, 0x3539u, + 0x7B15u, 0xDB05u, 0xB082u, 0x1092u, 0x678Cu, 0xC79Cu, 0xAC1Bu, 0x0C0Bu, + 0x3043u, 0x9053u, 0xFBD4u, 0x5BC4u, 0x2CDAu, 0x8CCAu, 0xE74Du, 0x475Du, + 0x0971u, 0xA961u, 0xC2E6u, 0x62F6u, 0x15E8u, 0xB5F8u, 0xDE7Fu, 0x7E6Fu, + 0xA6EFu, 0x06FFu, 0x6D78u, 0xCD68u, 0xBA76u, 0x1A66u, 0x71E1u, 0xD1F1u, + 0x9FDDu, 0x3FCDu, 0x544Au, 0xF45Au, 0x8344u, 0x2354u, 0x48D3u, 0xE8C3u, + 0xD48Bu, 0x749Bu, 0x1F1Cu, 0xBF0Cu, 0xC812u, 0x6802u, 0x0385u, 0xA395u, + 0xEDB9u, 0x4DA9u, 0x262Eu, 0x863Eu, 0xF120u, 0x5130u, 0x3AB7u, 0x9AA7u, + 0x844Eu, 0x245Eu, 0x4FD9u, 0xEFC9u, 0x98D7u, 0x38C7u, 0x5340u, 0xF350u, + 0xBD7Cu, 0x1D6Cu, 0x76EBu, 0xD6FBu, 0xA1E5u, 0x01F5u, 0x6A72u, 0xCA62u, + 0xF62Au, 0x563Au, 0x3DBDu, 0x9DADu, 0xEAB3u, 0x4AA3u, 0x2124u, 0x8134u, + 0xCF18u, 0x6F08u, 0x048Fu, 0xA49Fu, 0xD381u, 0x7391u, 0x1816u, 0xB806u, + 0x6086u, 0xC096u, 0xAB11u, 0x0B01u, 0x7C1Fu, 0xDC0Fu, 0xB788u, 0x1798u, + 0x59B4u, 0xF9A4u, 0x9223u, 0x3233u, 0x452Du, 0xE53Du, 0x8EBAu, 0x2EAAu, + 0x12E2u, 0xB2F2u, 0xD975u, 0x7965u, 0x0E7Bu, 0xAE6Bu, 0xC5ECu, 0x65FCu, + 0x2BD0u, 0x8BC0u, 0xE047u, 0x4057u, 0x3749u, 0x9759u, 0xFCDEu, 0x5CCEu, + 0xC669u, 0x6679u, 0x0DFEu, 0xADEEu, 0xDAF0u, 0x7AE0u, 0x1167u, 0xB177u, + 0xFF5Bu, 0x5F4Bu, 0x34CCu, 0x94DCu, 0xE3C2u, 0x43D2u, 0x2855u, 0x8845u, + 0xB40Du, 0x141Du, 0x7F9Au, 0xDF8Au, 0xA894u, 0x0884u, 0x6303u, 0xC313u, + 0x8D3Fu, 0x2D2Fu, 0x46A8u, 0xE6B8u, 0x91A6u, 0x31B6u, 0x5A31u, 0xFA21u, + 0x22A1u, 0x82B1u, 0xE936u, 0x4926u, 0x3E38u, 0x9E28u, 0xF5AFu, 0x55BFu, + 0x1B93u, 0xBB83u, 0xD004u, 0x7014u, 0x070Au, 0xA71Au, 0xCC9Du, 0x6C8Du, + 0x50C5u, 0xF0D5u, 0x9B52u, 0x3B42u, 0x4C5Cu, 0xEC4Cu, 0x87CBu, 0x27DBu, + 0x69F7u, 0xC9E7u, 0xA260u, 0x0270u, 0x756Eu, 0xD57Eu, 0xBEF9u, 0x1EE9u + }, + { + 0x0000u, 0x832Bu, 0x8DE1u, 0x0ECAu, 0x9075u, 0x135Eu, 0x1D94u, 0x9EBFu, + 0xAB5Du, 0x2876u, 0x26BCu, 0xA597u, 0x3B28u, 0xB803u, 0xB6C9u, 0x35E2u, + 0xDD0Du, 0x5E26u, 0x50ECu, 0xD3C7u, 0x4D78u, 0xCE53u, 0xC099u, 0x43B2u, + 0x7650u, 0xF57Bu, 0xFBB1u, 0x789Au, 0xE625u, 0x650Eu, 0x6BC4u, 0xE8EFu, + 0x31ADu, 0xB286u, 0xBC4Cu, 0x3F67u, 0xA1D8u, 0x22F3u, 0x2C39u, 0xAF12u, + 0x9AF0u, 0x19DBu, 0x1711u, 0x943Au, 0x0A85u, 0x89AEu, 0x8764u, 0x044Fu, + 0xECA0u, 0x6F8Bu, 0x6141u, 0xE26Au, 0x7CD5u, 0xFFFEu, 0xF134u, 0x721Fu, + 0x47FDu, 0xC4D6u, 0xCA1Cu, 0x4937u, 0xD788u, 0x54A3u, 0x5A69u, 0xD942u, + 0x635Au, 0xE071u, 0xEEBBu, 0x6D90u, 0xF32Fu, 0x7004u, 0x7ECEu, 0xFDE5u, + 0xC807u, 0x4B2Cu, 0x45E6u, 0xC6CDu, 0x5872u, 0xDB59u, 0xD593u, 0x56B8u, + 0xBE57u, 0x3D7Cu, 0x33B6u, 0xB09Du, 0x2E22u, 0xAD09u, 0xA3C3u, 0x20E8u, + 0x150Au, 0x9621u, 0x98EBu, 0x1BC0u, 0x857Fu, 0x0654u, 0x089Eu, 0x8BB5u, + 0x52F7u, 0xD1DCu, 0xDF16u, 0x5C3Du, 0xC282u, 0x41A9u, 0x4F63u, 0xCC48u, + 0xF9AAu, 0x7A81u, 0x744Bu, 0xF760u, 0x69DFu, 0xEAF4u, 0xE43Eu, 0x6715u, + 0x8FFAu, 0x0CD1u, 0x021Bu, 0x8130u, 0x1F8Fu, 0x9CA4u, 0x926Eu, 0x1145u, + 0x24A7u, 0xA78Cu, 0xA946u, 0x2A6Du, 0xB4D2u, 0x37F9u, 0x3933u, 0xBA18u, + 0xC6B4u, 0x459Fu, 0x4B55u, 0xC87Eu, 0x56C1u, 0xD5EAu, 0xDB20u, 0x580Bu, + 0x6DE9u, 0xEEC2u, 0xE008u, 0x6323u, 0xFD9Cu, 0x7EB7u, 0x707Du, 0xF356u, + 0x1BB9u, 0x9892u, 0x9658u, 0x1573u, 0x8BCCu, 0x08E7u, 0x062Du, 0x8506u, + 0xB0E4u, 0x33CFu, 0x3D05u, 0xBE2Eu, 0x2091u, 0xA3BAu, 0xAD70u, 0x2E5Bu, + 0xF719u, 0x7432u, 0x7AF8u, 0xF9D3u, 0x676Cu, 0xE447u, 0xEA8Du, 0x69A6u, + 0x5C44u, 0xDF6Fu, 0xD1A5u, 0x528Eu, 0xCC31u, 0x4F1Au, 0x41D0u, 0xC2FBu, + 0x2A14u, 0xA93Fu, 0xA7F5u, 0x24DEu, 0xBA61u, 0x394Au, 0x3780u, 0xB4ABu, + 0x8149u, 0x0262u, 0x0CA8u, 0x8F83u, 0x113Cu, 0x9217u, 0x9CDDu, 0x1FF6u, + 0xA5EEu, 0x26C5u, 0x280Fu, 0xAB24u, 0x359Bu, 0xB6B0u, 0xB87Au, 0x3B51u, + 0x0EB3u, 0x8D98u, 0x8352u, 0x0079u, 0x9EC6u, 0x1DEDu, 0x1327u, 0x900Cu, + 0x78E3u, 0xFBC8u, 0xF502u, 0x7629u, 0xE896u, 0x6BBDu, 0x6577u, 0xE65Cu, + 0xD3BEu, 0x5095u, 0x5E5Fu, 0xDD74u, 0x43CBu, 0xC0E0u, 0xCE2Au, 0x4D01u, + 0x9443u, 0x1768u, 0x19A2u, 0x9A89u, 0x0436u, 0x871Du, 0x89D7u, 0x0AFCu, + 0x3F1Eu, 0xBC35u, 0xB2FFu, 0x31D4u, 0xAF6Bu, 0x2C40u, 0x228Au, 0xA1A1u, + 0x494Eu, 0xCA65u, 0xC4AFu, 0x4784u, 0xD93Bu, 0x5A10u, 0x54DAu, 0xD7F1u, + 0xE213u, 0x6138u, 0x6FF2u, 0xECD9u, 0x7266u, 0xF14Du, 0xFF87u, 0x7CACu + } }; __u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer, size_t len) { - unsigned int i; + const __u8 *i = (const __u8 *)buffer; + const __u8 *i_end = i + len; + const __u8 *i_last16 = i + (len / 16 * 16); - for (i = 0 ; i < len ; i++) - crc = (crc << 8) ^ t10_dif_crc_table[((crc >> 8) ^ buffer[i]) & 0xff]; + for (; i < i_last16; i += 16) { + crc = t10_dif_crc_table[15][i[0] ^ (__u8)(crc >> 8)] ^ + t10_dif_crc_table[14][i[1] ^ (__u8)(crc >> 0)] ^ + t10_dif_crc_table[13][i[2]] ^ + t10_dif_crc_table[12][i[3]] ^ + t10_dif_crc_table[11][i[4]] ^ + t10_dif_crc_table[10][i[5]] ^ + t10_dif_crc_table[9][i[6]] ^ + t10_dif_crc_table[8][i[7]] ^ + t10_dif_crc_table[7][i[8]] ^ + t10_dif_crc_table[6][i[9]] ^ + t10_dif_crc_table[5][i[10]] ^ + t10_dif_crc_table[4][i[11]] ^ + t10_dif_crc_table[3][i[12]] ^ + t10_dif_crc_table[2][i[13]] ^ + t10_dif_crc_table[1][i[14]] ^ + t10_dif_crc_table[0][i[15]]; + } + + for (; i < i_end; i++) + crc = t10_dif_crc_table[0][*i ^ (__u8)(crc >> 8)] ^ (crc << 8); return crc; }