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GET /api/patches/55588/?format=api
{ "id": 55588, "url": "http://patches.dpdk.org/api/patches/55588/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190628090124.16849-6-mattias.ronnblom@ericsson.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20190628090124.16849-6-mattias.ronnblom@ericsson.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20190628090124.16849-6-mattias.ronnblom@ericsson.com", "date": "2019-06-28T09:01:24", "name": "[v4,5/5] eal: add bounded PRNG performance tests", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "869b1aba4181e508e85f3f28379cf26a0ae42b7a", "submitter": { "id": 1077, "url": "http://patches.dpdk.org/api/people/1077/?format=api", "name": "Mattias Rönnblom", "email": "mattias.ronnblom@ericsson.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20190628090124.16849-6-mattias.ronnblom@ericsson.com/mbox/", "series": [ { "id": 5220, "url": "http://patches.dpdk.org/api/series/5220/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=5220", "date": "2019-06-28T09:01:20", "name": "Pseudo-random number generation improvements", "version": 4, "mbox": "http://patches.dpdk.org/series/5220/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/55588/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/55588/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id C77971B9BD;\n\tFri, 28 Jun 2019 11:01:43 +0200 (CEST)", "from sessmg23.ericsson.net (sessmg23.ericsson.net [193.180.251.45])\n\tby dpdk.org (Postfix) with ESMTP id 0C5AC1B99B\n\tfor <dev@dpdk.org>; Fri, 28 Jun 2019 11:01:30 +0200 (CEST)", "from ESESBMB503.ericsson.se (Unknown_Domain [153.88.183.116])\n\tby sessmg23.ericsson.net (Symantec Mail Security) with SMTP id\n\t55.5C.06765.A67D51D5; Fri, 28 Jun 2019 11:01:30 +0200 (CEST)", "from ESESSMR502.ericsson.se (153.88.183.110) by\n\tESESBMB503.ericsson.se (153.88.183.116) with Microsoft SMTP Server\n\t(version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id\n\t15.1.1713.5; Fri, 28 Jun 2019 11:01:29 +0200", "from ESESSMB505.ericsson.se (153.88.183.166) by\n\tESESSMR502.ericsson.se (153.88.183.110) with Microsoft SMTP Server\n\t(version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id\n\t15.1.1713.5; Fri, 28 Jun 2019 11:01:29 +0200", "from selio1a020.lmera.ericsson.se (153.88.183.153) by\n\tsmtp.internal.ericsson.com (153.88.183.193) with Microsoft SMTP\n\tServer id\n\t15.1.1713.5 via Frontend Transport; Fri, 28 Jun 2019 11:01:29 +0200", "from breslau.lmera.ericsson.se (breslau.lmera.ericsson.se\n\t[150.132.109.241])\n\tby selio1a020.lmera.ericsson.se (8.15.1+Sun/8.15.1) with ESMTP id\n\tx5S91SYZ019342; Fri, 28 Jun 2019 11:01:29 +0200 (CEST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; d=ericsson.com; s=mailgw201801;\n\tc=relaxed/relaxed; \n\tq=dns/txt; i=@ericsson.com; t=1561712490; x=1564304490;\n\th=From:Sender:Reply-To:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type:\n\tContent-Transfer-Encoding:Content-ID:Content-Description:Resent-Date:Resent-From:\n\tResent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id:\n\tList-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive;\n\tbh=3Ap+CN9zIt0IVSCVp0UkH7TQWCMeT/jmWOComifs1o4=;\n\tb=WBYmIqQhbRTnvwGw2ROPQfatvOm/vizU2IxNDVhIsV7cSsHUujiqnTvh/UALpyby\n\tApcMKRvrtpO7sQpc3P9FU5rRuKOXESGlantuRlDo5hjjXDU1LLVD6xeMTqNOzVWS\n\toZLrx4m2p/mmy+wksOEMm64X/p67Q/0dmHl6tgLDCms=;", "X-AuditID": "c1b4fb2d-195ff70000001a6d-06-5d15d76a8bac", "From": "=?utf-8?q?Mattias_R=C3=B6nnblom?= <mattias.ronnblom@ericsson.com>", "To": "<dev@dpdk.org>", "CC": "<nhorman@tuxdriver.com>, <stephen@networkplumber.org>,\n\t<david.marchand@redhat.com>, <bruce.richardson@intel.com>,\n\t<thomas@monjalon.net>, =?utf-8?q?Mattias_R=C3=B6nnblom?=\n\t<mattias.ronnblom@ericsson.com>", "Date": "Fri, 28 Jun 2019 11:01:24 +0200", "Message-ID": "<20190628090124.16849-6-mattias.ronnblom@ericsson.com>", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20190628090124.16849-1-mattias.ronnblom@ericsson.com>", "References": "<20190605104400.24484-1-mattias.ronnblom@ericsson.com>\n\t<20190628090124.16849-1-mattias.ronnblom@ericsson.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-Brightmail-Tracker": "H4sIAAAAAAAAA+NgFmpikeLIzCtJLcpLzFFi42KZGbG9RDfrumisweujUhY3VtlbbF/RxWbx\n\t7tN2JotbzSfZLBbfkbP49OAEiwObx68FS1k9Fu95yeRx7OY0do+ek/OYPN7vu8rmceX7asYA\n\ttigum5TUnMyy1CJ9uwSujDkfO1kLXvJWdL5uZWlg3MfdxcjJISFgInF97262LkYuDiGBo4wS\n\tx3a/Z4FwvjFKPG58zQjnrOt7C5W5yCixYPIWdgjnMqPE75dX2ECGsQl4Skx+180CYosICEks\n\t/XgZrIhZ4BqjxNdLL5i7GDk4hAXsJc71eILUsAioSjxrfM8IYvMKOEkcfXaLDeIoeYnVGw4w\n\tg9icAs4SXWt72UFsIYFqiZ8nHrJB1AtKnJz5BGwXs4CmROv23+wQtrxE89bZzBD1WhL3l3xh\n\tnsAoPAtJyywkLbOQtCxgZF7FKFqcWlycm25krJdalJlcXJyfp5eXWrKJERgzB7f81t3BuPq1\n\t4yFGAQ5GJR5ew92isUKsiWXFlbmHGCU4mJVEeCXPicQK8aYkVlalFuXHF5XmpBYfYpTmYFES\n\t513v/S9GSCA9sSQ1OzW1ILUIJsvEwSnVwKj7cWX5mmSWOqu4PzdVFytr8LQw/5Ra4N4r+Lnu\n\thPIOIdHOv9xCnko8nc7K3oYlKWUT65yUHvKud3mj7aJ9xdV9Zf6K9QKPT3EVvuw856TxMvaR\n\tyeL7sXu97txel1Ja84Ij7LPfymvBV+44x3MWxxass71sZ5G1u+NHf3LiuibWlWKnCh9ZKbEU\n\tZyQaajEXFScCALSjOzyVAgAA", "Subject": "[dpdk-dev] [PATCH v4 5/5] eal: add bounded PRNG performance tests", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Add best- and worst-case performance tests for rte_rand_max().\n\nSigned-off-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>\nAcked-by: Bruce Richardson <bruce.richardson@intel.com>\n---\n app/test/test_rand_perf.c | 19 ++++++++++++++++++-\n 1 file changed, 18 insertions(+), 1 deletion(-)", "diff": "diff --git a/app/test/test_rand_perf.c b/app/test/test_rand_perf.c\nindex 771713757..fe797ebfa 100644\n--- a/app/test/test_rand_perf.c\n+++ b/app/test/test_rand_perf.c\n@@ -15,8 +15,13 @@ static volatile uint64_t vsum;\n \n #define ITERATIONS (100000000)\n \n+#define BEST_CASE_BOUND (1<<16)\n+#define WORST_CASE_BOUND (BEST_CASE_BOUND + 1)\n+\n enum rand_type {\n-\trand_type_64\n+\trand_type_64,\n+\trand_type_bounded_best_case,\n+\trand_type_bounded_worst_case\n };\n \n static const char *\n@@ -25,6 +30,10 @@ rand_type_desc(enum rand_type rand_type)\n \tswitch (rand_type) {\n \tcase rand_type_64:\n \t\treturn \"Full 64-bit [rte_rand()]\";\n+\tcase rand_type_bounded_best_case:\n+\t\treturn \"Bounded average best-case [rte_rand_max()]\";\n+\tcase rand_type_bounded_worst_case:\n+\t\treturn \"Bounded average worst-case [rte_rand_max()]\";\n \tdefault:\n \t\treturn NULL;\n \t}\n@@ -46,6 +55,12 @@ test_rand_perf_type(enum rand_type rand_type)\n \t\tcase rand_type_64:\n \t\t\tsum += rte_rand();\n \t\t\tbreak;\n+\t\tcase rand_type_bounded_best_case:\n+\t\t\tsum += rte_rand_max(BEST_CASE_BOUND);\n+\t\t\tbreak;\n+\t\tcase rand_type_bounded_worst_case:\n+\t\t\tsum += rte_rand_max(WORST_CASE_BOUND);\n+\t\t\tbreak;\n \t\t}\n \t}\n \n@@ -68,6 +83,8 @@ test_rand_perf(void)\n \tprintf(\"Pseudo-random number generation latencies:\\n\");\n \n \ttest_rand_perf_type(rand_type_64);\n+\ttest_rand_perf_type(rand_type_bounded_best_case);\n+\ttest_rand_perf_type(rand_type_bounded_worst_case);\n \n \treturn 0;\n }\n", "prefixes": [ "v4", "5/5" ] }