From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com ([134.134.136.31]:19770 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728596AbgAOSdG (ORCPT ); Wed, 15 Jan 2020 13:33:06 -0500 From: "Kudryavtsev, Andrey O" Subject: Re: CPUs, threads, and speed Date: Wed, 15 Jan 2020 18:33:01 +0000 Message-ID: References: In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <350FB736F1CDD941A744AEA0A2C58638@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: "Gruher, Joseph R" , Mauricio Tavares , "fio@vger.kernel.org" SSBjYW4gY2xhcmlmeSB0aGF0IGFzIEkgcG9zdGVkIHRoZSBvcmlnaW5hbCBzY3JpcHQgb24gZ2l0 aHViLiANClNlcXVlbnRpYWwgcHJlY29uZGl0aW9uaW5nIGlzIG1hbmRhdG9yeSBmb3IgYmFuZHdp ZHRoIHRlc3QuIFJhbmRvbSA0ayBwcmVjb25kaXRpb25pbmcgaXMgZm9yIGV2ZXJ5dGhpbmcgZWxz ZS4gRm9yIGFsbCBtaXhlZCBzY2VuYXJpb3MgZGF0YSBoYXMgdG8gYmUgcmFuZG9taXplZCwgc28s IHRoYXQgcHV0cyBoaWdoZXN0IHByZXNzdXJlIG9uIHRoZSBkcml2ZSAoYW5kIGludGVybmFsbHkg V0FGIGluIGNhc2Ugb2YgTkFORCBTU0QpLiBUaGF0IG1ha2VzIGFsbCBmb2xsb3dpbmcgYmVuY2ht YXJrcyBmYWlyLiAgDQpOb3JhbmRvbW1hcCAtIEkgYWdyZWUgaW4gZ2VuZXJhbCwgYnV0IHRoZSBG SU8gb3ZlcmhlYWQgb2YgdHJhY2tpbmcgTEJBcyBpbXBhY3RzIHRoZSBwZXJmb3JtYW5jZSBhbmQg ZXh0ZW5kcyBwcmUtZmlsbCB0aW1lLiANCg0KLS0gDQpBbmRyZXkgS3VkcnlhdnRzZXYsIA0KU1NE IFNvbHV0aW9uIEFyY2hpdGVjdA0KSW50ZWwgQ29ycC4gDQoNCg0K77u/T24gMS8xNS8yMCwgOToy OSBBTSwgImZpby1vd25lckB2Z2VyLmtlcm5lbC5vcmcgb24gYmVoYWxmIG9mIEdydWhlciwgSm9z ZXBoIFIiIDxmaW8tb3duZXJAdmdlci5rZXJuZWwub3JnIG9uIGJlaGFsZiBvZiBqb3NlcGguci5n cnVoZXJAaW50ZWwuY29tPiB3cm90ZToNCg0KICAgID4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0t LS0NCiAgICA+IEZyb206IGZpby1vd25lckB2Z2VyLmtlcm5lbC5vcmcgPGZpby1vd25lckB2Z2Vy Lmtlcm5lbC5vcmc+IE9uIEJlaGFsZiBPZg0KICAgID4gTWF1cmljaW8gVGF2YXJlcw0KICAgID4g U2VudDogV2VkbmVzZGF5LCBKYW51YXJ5IDE1LCAyMDIwIDc6NTEgQU0NCiAgICA+IFRvOiBmaW9A dmdlci5rZXJuZWwub3JnDQogICAgPiBTdWJqZWN0OiBDUFVzLCB0aHJlYWRzLCBhbmQgc3BlZWQN CiAgICA+IA0KICAgID4gTGV0J3Mgc2F5IEkgaGF2ZSBhIGNvbmZpZyBmaWxlIHRvIHByZWxvYWQg ZHJpdmUgdGhhdCBsb29rcyBsaWtlIHRoaXMgKHN0b2xlbiBmcm9tDQogICAgPiBodHRwczovL2dp dGh1Yi5jb20vaW50ZWwvZmlvdmlzdWFsaXplci9ibG9iL21hc3Rlci9Xb3JrbG9hZHMvUHJlY29u ZGl0aW9uL2ZpbGwNCiAgICA+IF80S1JhbmRvbV9OVk1lLmluaSkNCiAgICA+IA0KICAgID4gW2ds b2JhbF0NCiAgICA+IG5hbWU9NGsgcmFuZG9tIHdyaXRlIDQgaW9zIGluIHRoZSBxdWV1ZSBpbiAz MiBxdWV1ZXMNCiAgICA+IGZpbGVuYW1lPS9kZXYvbnZtZTBuMQ0KICAgID4gaW9lbmdpbmU9bGli YWlvDQogICAgPiBkaXJlY3Q9MQ0KICAgID4gYnM9NGsNCiAgICA+IHJ3PXJhbmR3cml0ZQ0KICAg ID4gaW9kZXB0aD00DQogICAgPiBudW1qb2JzPTMyDQogICAgPiBidWZmZXJlZD0wDQogICAgPiBz aXplPTEwMCUNCiAgICA+IGxvb3BzPTINCiAgICA+IHJhbmRyZXBlYXQ9MA0KICAgID4gbm9yYW5k b21tYXANCiAgICA+IHJlZmlsbF9idWZmZXJzDQogICAgPiANCiAgICA+IFtqb2IxXQ0KICAgID4g DQogICAgPiBUaGF0IGlzIHRha2luZyBhIHRvbiBvZiB0aW1lLCBsaWtlIGRheXMgdG8gZ28uIElz IHRoZXJlIGFueXRoaW5nIEkgY2FuIGRvIHRvIHNwZWVkIGl0DQogICAgPiB1cD8gDQogICAgDQog ICAgV2hlbiB5b3Ugc2F5IHByZWxvYWQsIGRvIHlvdSBqdXN0IHdhbnQgdG8gd3JpdGUgaW4gdGhl IGZ1bGwgY2FwYWNpdHkgb2YgdGhlIGRyaXZlPyAgQSBzZXF1ZW50aWFsIHdvcmtsb2FkIHdpdGgg bGFyZ2VyIGJsb2NrcyB3aWxsIGJlIGZhc3RlciwgbGlrZToNCiAgICANCiAgICBbZ2xvYmFsXQ0K ICAgIGlvZW5naW5lPWxpYmFpbw0KICAgIHRocmVhZD0xDQogICAgZGlyZWN0PTENCiAgICBicz0x MjhrDQogICAgcnc9d3JpdGUNCiAgICBudW1qb2JzPTENCiAgICBpb2RlcHRoPTEyOA0KICAgIHNp emU9MTAwJQ0KICAgIGxvb3BzPTINCiAgICBbam9iMDBdDQogICAgZmlsZW5hbWU9L2Rldi9udm1l MG4xDQogICAgDQogICAgT3IgaWYgeW91IGhhdmUgYSB1c2UgY2FzZSB3aGVyZSB5b3Ugc3BlY2lm aWNhbGx5IHdhbnQgdG8gd3JpdGUgaXQgaW4gd2l0aCA0SyBibG9ja3MsIHlvdSBjb3VsZCBwcm9i YWJseSBpbmNyZWFzZSB5b3VyIHF1ZXVlIGRlcHRoIHdheSBiZXlvbmQgNCBhbmQgc2VlIGltcHJv dmVtZW50IGluIHBlcmZvcm1hbmNlLCBhbmQgeW91IHByb2JhYmx5IGRvbid0IHdhbnQgdG8gc3Bl Y2lmeSBub3JhbmRvbW1hcCBpZiB5b3UncmUgdHJ5aW5nIHRvIGhpdCBldmVyeSBibG9jayBvbiB0 aGUgZGV2aWNlLg0KICAgIA0KICAgIC1Kb2UNCiAgICANCg0K