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Wed, 6 Mar 2024 22:31:39 +0000 Message-ID: <0ab12c86-be33-49b5-8c2e-17802cf0ec1d@arm.com> Date: Wed, 6 Mar 2024 22:31:35 +0000 User-Agent: Mozilla Thunderbird Cc: nd@arm.com, Konstantin Ananyev , dev@dpdk.org, konstantin.v.ananyev@yandex.ru Subject: Re: [PATCH v5 0/4] add pointer compression API Content-Language: en-US To: =?UTF-8?Q?Morten_Br=C3=B8rup?= , Honnappa Nagarahalli References: <20230927150854.3670391-2-paul.szczepanek@arm.com> <20231101181301.2449804-1-paul.szczepanek@arm.com> <7058331a-d829-4f0e-8634-726ca3be1ef2@arm.com> <98CBD80474FA8B44BF855DF32C47DC35E9F290@smartserver.smartshare.dk> <7D23A333-9846-4A34-A8B5-FDC11F042025@arm.com> <98CBD80474FA8B44BF855DF32C47DC35E9F291@smartserver.smartshare.dk> From: Paul Szczepanek In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35E9F291@smartserver.smartshare.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: LO2P265CA0507.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:13b::14) To DB4PR08MB8151.eurprd08.prod.outlook.com (2603:10a6:10:381::16) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DB4PR08MB8151:EE_|AM7PR08MB5447:EE_|AM2PEPF0001C714:EE_|PAWPR08MB10240:EE_ X-MS-Office365-Filtering-Correlation-Id: 2a345760-6b9f-475a-1fec-08dc3e2d35cd x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230031)(36860700004)(82310400014)(376005); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Mar 2024 22:31:47.6384 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2a345760-6b9f-475a-1fec-08dc3e2d35cd X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d; Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C714.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR08MB10240 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 02/03/2024 10:33, Morten Brørup wrote: > I think that a misconception that arch specific optimizations (such as SIMD code) required stuff to go into EAL has been prevailing, and this misconception is a main reason why EAL has become so bloated. > Moving features like pointer compression out of EAL, thereby showing alternative design patterns for code containing arch specific optimizations, will help eliminate that misconception. I have a patch ready that moves the ptr compress into its own library but I must first land this patch: https://patches.dpdk.org/project/dpdk/patch/20240306221709.166722-2-paul.szczepanek@arm.com/ which is required to have header only libraries - otherwise errors stop the build.