MIME-Version: 1.0
In-Reply-To: <CAEC9zAbkWWcn5eRHLh6u+zyGu92E1Yq-9CQVPqE_6-QwMVs=4Q@mail.gmail.com>
References: <CAEC9zAbHO9y7Go4FhZFyOCKdm1js_eKCoz7iaOCh1Wu=B9OASw@mail.gmail.com>
	<CAEC9zAYrMHHEyyTx1QVHoGSJU3fFypB0Hx4K-VFoUn0hp4Z7JA@mail.gmail.com>
	<CAEC9zAbkWWcn5eRHLh6u+zyGu92E1Yq-9CQVPqE_6-QwMVs=4Q@mail.gmail.com>
Date: Wed, 3 Oct 2012 13:43:36 -0400
Message-ID: <CA+8xBpdZDznkyWXn8AxdUDk0CJ0b2m1qpTgVjtPbs0ge+ODCSg@mail.gmail.com>
From: Jeff Garzik <jgarzik@exmulti.com>
To: Ian Miers <imiers1@jhu.edu>
Content-Type: text/plain; charset=ISO-8859-1
Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] performance testing for bitcoin
Precedence: list

On Wed, Oct 3, 2012 at 1:38 PM, Ian Miers <imiers1@jhu.edu> 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