Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h40dI-0004zk-NG for pgsql-hackers@arkaria.postgresql.org; Wed, 13 Mar 2019 09:57:08 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1h40dH-0002XT-DY for pgsql-hackers@arkaria.postgresql.org; Wed, 13 Mar 2019 09:57:07 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h40dH-0002W0-1o for pgsql-hackers@lists.postgresql.org; Wed, 13 Mar 2019 09:57:07 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h40dD-000454-O9 for pgsql-hackers@lists.postgresql.org; Wed, 13 Mar 2019 09:57:05 +0000 Received: from coridan.postgresql.org ([2001:4800:3e1:1::213]) by mahout.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1h40dD-00040i-B8 for pgsql-hackers@lists.postgresql.org; Wed, 13 Mar 2019 09:57:03 +0000 Received: from localhost ([127.0.0.1] helo=coridan.postgresql.org) by coridan.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1h40dC-0004cV-8L for pgsql-hackers@lists.postgresql.org; Wed, 13 Mar 2019 09:57:02 +0000 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: Re: CPU costs of random_zipfian in pgbench To: pgsql-hackers@lists.postgresql.org From: Georgios Kokolatos Cc: Fabien Coelho Date: Wed, 13 Mar 2019 09:56:40 +0000 User-Agent: pgcommitfest X-cfsender: gkokolatos In-Reply-To: References: Message-ID: <155247100007.16480.7209755354754262427.pgcf@coridan.postgresql.org> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk VGhlIGZvbGxvd2luZyByZXZpZXcgaGFzIGJlZW4gcG9zdGVkIHRocm91Z2ggdGhlIGNvbW1pdGZl c3QgYXBwbGljYXRpb246Cm1ha2UgaW5zdGFsbGNoZWNrLXdvcmxkOiAgbm90IHRlc3RlZApJbXBs ZW1lbnRzIGZlYXR1cmU6ICAgICAgIG5vdCB0ZXN0ZWQKU3BlYyBjb21wbGlhbnQ6ICAgICAgICAg ICBub3QgdGVzdGVkCkRvY3VtZW50YXRpb246ICAgICAgICAgICAgbm90IHRlc3RlZAoKVmVyc2lv biAzIG9mIHRoZSBwYXRjaCBsb29rcyByZWFkeSBmb3IgY29tbWl0dGVyLg0KDQpUaGFuayB5b3Ug Zm9yIHRha2luZyB0aGUgdGltZSB0byBjb2RlIQoKVGhlIG5ldyBzdGF0dXMgb2YgdGhpcyBwYXRj aCBpczogUmVhZHkgZm9yIENvbW1pdHRlcgo=