Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1TJiA4-0000Bs-MG for bitcoin-development@lists.sourceforge.net; Thu, 04 Oct 2012 09:56:08 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.217.175 as permitted sender) client-ip=209.85.217.175; envelope-from=joel.kaartinen@gmail.com; helo=mail-lb0-f175.google.com; Received: from mail-lb0-f175.google.com ([209.85.217.175]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1TJi9z-0003uG-8q for bitcoin-development@lists.sourceforge.net; Thu, 04 Oct 2012 09:56:08 +0000 Received: by mail-lb0-f175.google.com with SMTP id y2so183235lbk.34 for ; Thu, 04 Oct 2012 02:55:56 -0700 (PDT) Received: by 10.112.37.105 with SMTP id x9mr2518732lbj.69.1349344556496; Thu, 04 Oct 2012 02:55:56 -0700 (PDT) Received: from [86.50.113.68] (dyn79-324.yok.fi. [86.50.113.68]) by mx.google.com with ESMTPS id ml11sm2088622lab.14.2012.10.04.02.55.54 (version=SSLv3 cipher=OTHER); Thu, 04 Oct 2012 02:55:55 -0700 (PDT) Message-ID: <1349344554.31175.6.camel@mei> From: Joel Joonatan Kaartinen To: Ian Miers Date: Thu, 04 Oct 2012 12:55:54 +0300 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (joel.kaartinen[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1TJi9z-0003uG-8q Cc: bitcoin-development@lists.sourceforge.net Subject: Re: [Bitcoin-development] performance testing for bitcoin X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Oct 2012 09:56:08 -0000 For script evaluation benchmarking, I don't think just a good approximation of real-world traffic is enough. You really need to benchmark the worst case scenarios, otherwise you could be creating a DoS vulnerability. - Joel ke, 2012-10-03 kello 13:57 -0400, Ian Miers kirjoitti: > Script evaluation performance was what I was primarily concerned > with. I'm fooling around with adding some new instruction types. > The tricky part is that to test how that effects performance, you need > to be able to intersperse transactions with the new instructions with > existing ones. For accuracy, you'd like your simulated traffic to at > least approximate the real world traffic. > > > > > Also, is there any bench-marking / instrumentation in bitcoind ? > > > Ian > On Wed, Oct 3, 2012 at 1:43 PM, Jeff Garzik > wrote: > On Wed, Oct 3, 2012 at 1:38 PM, Ian Miers > wrote: > > Whats the best way to get performance numbers for > modifications to bitcoin ? > > Profiling it while running on testnet might work, but that > would take a > > rather long time to get data. > > Is there anyway to speed this up if we only needed to > provide relative > > performance between tests. (in a sense a fast performance > regression test). > > > You have to be specific about what you're measuring, because > "performance" is vague. > > You can measure many aspects of blockchain performance by > importing > blocks via -loadblock=FILE. > > Other performance measurements like "how fast does a block > relay > through the network" cannot be as easily measured. > > -- > Jeff Garzik > exMULTI, Inc. > jgarzik@exmulti.com > > > ------------------------------------------------------------------------------ > Don't let slow site performance ruin your business. Deploy New Relic APM > Deploy New Relic app performance management and know exactly > what is happening inside your Ruby, Python, PHP, Java, and .NET app > Try New Relic at no cost today and get our sweet Data Nerd shirt too! > http://p.sf.net/sfu/newrelic-dev2dev > _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development