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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9734AC55822 for ; Wed, 5 Aug 2026 08:36:44 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5BE2E40144; Wed, 5 Aug 2026 10:36:43 +0200 (CEST) Received: from dkmailrelay1.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by mails.dpdk.org (Postfix) with ESMTP id 65EBE4003C for ; Wed, 5 Aug 2026 10:36:41 +0200 (CEST) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesys.local [192.168.4.10]) by dkmailrelay1.smartsharesystems.com (Postfix) with ESMTP id 37AD92051A; Wed, 5 Aug 2026 10:36:41 +0200 (CEST) Content-class: urn:content-classes:message Subject: RE: [PATCH] eal/x86: optimize memcpy of small 64-byte blocks MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Date: Wed, 5 Aug 2026 10:36:40 +0200 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35F659BF@smartserver.smartshare.dk> X-MimeOLE: Produced By Microsoft Exchange V6.5 In-Reply-To: <3c7eea01416249e0aaeab0e8b6b4c157@huawei.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [PATCH] eal/x86: optimize memcpy of small 64-byte blocks Thread-Index: AQHdJB42oNL4gJj070KJtRurBEIGmLaN+WoAgAAJXwCAAOt0oIAABRpAgAAL2ECAAB9NYA== References: <20260804143305.1344327-1-mb@smartsharesystems.com> <20260804085210.74763eb5@phoenix.local> <98CBD80474FA8B44BF855DF32C47DC35F659B8@smartserver.smartshare.dk> <6f474724bc22441a8a4f516f3398ca76@huawei.com> <98CBD80474FA8B44BF855DF32C47DC35F659BD@smartserver.smartshare.dk> <3c7eea01416249e0aaeab0e8b6b4c157@huawei.com> From: =?utf-8?B?TW9ydGVuIEJyw7hydXA=?= To: "Konstantin Ananyev" , "Stephen Hemminger" Cc: , "Bruce Richardson" 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 PiBGcm9tOiBLb25zdGFudGluIEFuYW55ZXYgW21haWx0bzprb25zdGFudGluLmFuYW55ZXZAaHVh d2VpLmNvbV0NCj4gU2VudDogV2VkbmVzZGF5LCA1IEF1Z3VzdCAyMDI2IDA4LjUwDQo+IA0KPiA+ IEZyb206IE1vcnRlbiBCcsO4cnVwIDxtYkBzbWFydHNoYXJlc3lzdGVtcy5jb20+DQo+ID4gU2Vu dDogV2VkbmVzZGF5LCBBdWd1c3QgNSwgMjAyNiA2OjU2IEFNDQo+ID4NCj4gPiA+IEZyb206IEtv bnN0YW50aW4gQW5hbnlldiBbbWFpbHRvOmtvbnN0YW50aW4uYW5hbnlldkBodWF3ZWkuY29tXQ0K PiA+ID4gU2VudDogV2VkbmVzZGF5LCA1IEF1Z3VzdCAyMDI2IDA3LjQ2DQo+ID4gPg0KPiA+ID4g PiA+IEZyb206IFN0ZXBoZW4gSGVtbWluZ2VyIFttYWlsdG86c3RlcGhlbkBuZXR3b3JrcGx1bWJl ci5vcmddDQo+ID4gPiA+ID4gU2VudDogVHVlc2RheSwgNCBBdWd1c3QgMjAyNiAxNy41Mg0KPiA+ ID4gPiA+DQo+ID4gPiA+ID4gT24gVHVlLCAgNCBBdWcgMjAyNiAxNDozMzowNCArMDAwMA0KPiA+ ID4gPiA+IE1vcnRlbiBCcsO4cnVwIDxtYkBzbWFydHNoYXJlc3lzdGVtcy5jb20+IHdyb3RlOg0K PiA+ID4gPiA+DQo+ID4gPiA+ID4gPiArCS8qIENvbW1vbiB3YXkgZm9yIHNtYWxsIGNvcHkgc2l6 ZSBvZiA2NC1ieXRlIGJsb2Nrcy4NCj4gPiA+IFVubGlrZWx5LCBzbw0KPiA+ID4gPiA+IGNvbnN0 YW50IHNpemUgb25seSAqLw0KPiA+ID4gPiA+ID4gKwlpZiAoX19ydGVfY29uc3RhbnQobikgJiYg KG4gJiA2MykgPT0gMCAmJiBuIDw9DQo+ID4gPiA+ID4gUlRFX01FTUNQWV9CTE9DS182NF9NQVgp IHsNCj4gPiA+ID4gPiA+ICsJCXZvaWQgKnJldCA9IGRzdDsNCj4gPiA+ID4gPiA+ICsNCj4gPiA+ ID4gPg0KPiA+ID4gPiA+IE1heWJlIGp1c3QgbGV0IGNvbXBpbGVyIGRlY2lkZSwgaXQgd2lsbCBn ZW5lcmF0ZSB2ZWN0b3INCj4gPiA+IGluc3RydWN0aW9ucyBpbg0KPiA+ID4gPiA+IG1vc3QgY2Fz ZXMuDQo+ID4gPiA+ID4NCj4gPiA+ID4gPiAJaWYgKF9fcnRlX2NvbnN0YW50KG4pKQ0KPiA+ID4g PiA+IAkJcmV0dXJuIG1lbXBjcHkoZHN0LCBzcmMsIG4pOw0KPiA+ID4gPg0KPiA+ID4gPiBNYXli ZSBpbiBtb3N0LCBidXQgbm90IGluIGFsbDoNCj4gPiA+ID4gaHR0cHM6Ly9nb2Rib2x0Lm9yZy96 L0t2ZEtxVDVyWQ0KPiA+ID4NCj4gPiA+IFdpdGggJy1tYXZ4JyBvciAnLW1hdng1MTJmJyBpdCBs b29rcyBsaWtlIGl0IGRvZXMgZm9yIHlvdXIgc2FtcGxlDQo+IGNvZGUuDQo+ID4NCj4gPiBJdCBh bHNvIGRvZXMgd2l0aCAtbXNzZTQuMiB3aGVuIFNaIGlzIHJlZHVjZWQgdG8gMjU2IGJ5dGVzLg0K PiA+IENsYW5nIHN3aXRjaGVzIHRvIGlubGluZSB3aGVuIFNaIGlzIHJlZHVjZWQgdG8gMTI4IGJ5 dGVzLg0KPiA+DQo+ID4gSXQgc2VlbXMgdGhlIGNvbXBpbGVyIGhhcyBhIHRocmVzaG9sZCBmb3Ig d2hlbiB0byBpbmxpbmUgYW5kIHdoZW4gdG8NCj4gY2FsbCB0aGUgQw0KPiA+IGxpYnJhcnkncyBt ZW1jcHkgc3Vicm91dGluZS4NCj4gPiBUaGUgdGhyZXNob2xkIGRlcGVuZHMgb24gYm90aCBjb3B5 IHNpemUgYW5kIHZlY3RvciByZWdpc3RlciBzaXplLg0KPiA+IEFuZCBpdCBpcyBjb21waWxlciBk ZXBlbmRlbnQuDQo+IA0KPiBJIHRoaW5rIHRoZXJlIGFyZSBjb21waWxlciBvcHRpb25zIHRvIHNw ZWNpZnkgZGVzaXJlZCB0aHJlc2hvbGQgdmFsdWVzLg0KPiBMZXQgc2F5IGZvciBnY2MgdGhlcmUg aXMgICcgLW1tZW1jcHktc3RyYXRlZ3k9c3RyYXRlZ3knLg0KPiBGb3IgdGhhdCBleGFtcGxlIGlu IHRoYXQgcGFydGljdWxhciBjYXNlDQo+IC1tbWVtY3B5LXN0cmF0ZWd5PXZlY3Rvcl9sb29wOjUx MjphbGlnbixsb29wOi0xOmFsaWduDQo+IGdlbmVyYXRlcyBzc2UgbG9hZHMvc3RvcmVzLg0KPiBN aWdodCBiZSB3ZSBjYW4gZXhwbG9pdCBpdCBzb21laG93Pw0KDQpUaGF0IGNvdWxkIGdpdmUgdXMg aGlnaGVyIGdyYW51bGFyaXR5L2NvbnRyb2wgb3ZlciBtZW1jcHkgZm9yIGluZGl2aWR1YWwgbWVt Y3B5IGluc3RhbmNlczsgbWlnaHQgYmUgdXNlZnVsIGZvciBob3QgY29kZSBwYXRocyB3aGVyZSB3 ZSBoYXZlIG1vcmUga25vd2xlZGdlIGFib3V0IHRoZSBjb3B5IG9wZXJhdGlvbiB0aGFuIHRoZSBj b21waWxlciBjYW4gaW5mZXIuDQpIb3dldmVyLCBwcmFnbWFzIGFyZSBkaXNjb3VyYWdlZCBpbiBE UERLLCBhbmQgdGhpcyBsb29rcyBsaWtlIGEgdmVyeSBzaW1pbGFyIHBhdGguDQoNCj4gSSBhbSBu b3QgcmVhbGx5IGhhcHB5IHRoYXQgb3VyIGhvbWUtYnJld2VkIG1lbWNweSBjb2RlLWJsb2NrIGtl ZXBzDQo+IGdyb3dpbmcsDQo+IHdoaWxlIHdlIGtlZXAgdGFsa2luZyB0aGF0IGl0IHdvdWxkIGJl IGdvb2QgdG8gZWxpbWluYXRlIGl0IGNvbXBsZXRlbHkuDQoNCkkgYWdyZWUgaW4gcHJpbmNpcGxl Lg0KSG93ZXZlciwgdGhpcyBydGVfbWVtY3B5KCkgb3B0aW1pemF0aW9uIGlzIGZvciB0aGUgcGls ZS9tZW1wb29sIG9wdGltaXphdGlvbnMgSSdtIHdvcmtpbmcgb24sIHNvIHRoZXJlIGlzIGEgc3Bl Y2lmaWMgdXNlIGNhc2UgbW90aXZhdGluZyB0aGUgYWRkZWQgY29kZS4NCg0KPiANCj4gDQo+IA0K PiANCj4gPiBXaXRoIHJ0ZV9tZW1jcHkoKSBpdCBpcyBhbHdheXMgaW5saW5lLg0KDQo=