Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id AB82911 for ; Sun, 3 Jun 2018 18:18:37 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wr0-f179.google.com (mail-wr0-f179.google.com [209.85.128.179]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 40FA6806 for ; Sun, 3 Jun 2018 16:50:20 +0000 (UTC) Received: by mail-wr0-f179.google.com with SMTP id 94-v6so40704733wrf.5 for ; Sun, 03 Jun 2018 09:50:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=ci6VMMYF0w1Z1TK2THdUxLq2K8biuv2GfTFoYZ/ku2E=; b=WxdhQBmvUIh7O2zUCus4u3HGISOqFEosQxumANhxryLfW715Wn/B3bp8KCcYLsjN9H K41ZW0U1/FOJWfjLGZ9gxkmAdgeQm2hBEC0oY/Q3fMkNUzQuJICJhoheA+0Y9mKoJOg1 r8FIGOBkNgMSX5p+b+v4c0HCVTMqchOds9MftiFRC7+fZ3d19XtkrpfAERW062KGo3iw uHWX+SwrSUTpY7w9yeKi+xmqUY/N+X5MnqtdxRvkb9+p/ioICCMLWmQ5e/0qqaerGe8m /TCeHgnuYzvieKWaSZO7PVkrwhuQNG4dNS/A5tWWOaNdeoBdMVL5Cz1f7hP4ZjFeJd9/ SjmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=ci6VMMYF0w1Z1TK2THdUxLq2K8biuv2GfTFoYZ/ku2E=; b=F+XydbgZkmWKJKfTkdWDe35G4Cl40UpbiN94SpxcuV8pd4WppZ09T+v58tyB81F+6B 7CqEVmGBAKCgBAinyy6B71V1H8mw2wl2kfk+Im+1eziK1rlIr0Zc2jJDnugbz0SDp/2L yEsP/Bd0RPTy087eNDKPUcZulokljEmUVAf6UOYx5mghXBFhS1iuXSqHs+Q0hcTJ3yWf rrtuR3EUEiBJoRF55YCYT5l26X1sfDOhbUYKPygDLtmB/eDK0BMJ5FttD34Bl79gVhNd Rwd5at4Cet4ybvf1/sGr3qLfc4VrGbW6QyYkzcWUEcvS5NvO6SFS8Ouf1m0v/IFx1Wcu mFlw== X-Gm-Message-State: ALKqPwcC3sSu5Ii0YRvVHKH5aTxGcQQqRAQ2yYu1jiPaxf0BwXnpAzfD Z2HkxRirIW9VjNWtSX/ArnE= X-Google-Smtp-Source: ADUXVKIvPCCO6ihmQ1aRxUbv+XkQq1c7szrqmzWnzMCjvLTXBqAyN1ZpxIZFMLv4uOOEeCsGjrv/Jw== X-Received: by 2002:adf:b2c9:: with SMTP id g67-v6mr14695447wrd.147.1528044618931; Sun, 03 Jun 2018 09:50:18 -0700 (PDT) Received: from ?IPv6:2003:e3:8f40:c235:4d1b:c427:c05a:7def? ([2003:e3:8f40:c235:4d1b:c427:c05a:7def]) by smtp.gmail.com with ESMTPSA id q7-v6sm40359989wrf.0.2018.06.03.09.50.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 03 Jun 2018 09:50:18 -0700 (PDT) From: Tamas Blummer Message-Id: <761CE916-665B-42EE-AB05-4B6055364F92@gmail.com> Content-Type: multipart/signed; boundary="Apple-Mail=_2A77E10B-B4FF-4F12-BB18-127961C4EA68"; protocol="application/pgp-signature"; micalg=pgp-sha512 Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Date: Sun, 3 Jun 2018 18:50:17 +0200 In-Reply-To: To: Pieter Wuille References: <7E4FA664-BBAF-421F-8C37-D7CE3AA5310A@gmail.com> <20180602124157.744x7j4u7dqtaa43@email> <343A3542-3103-42E9-95B7-640DFE958FFA@gmail.com> <37BECD1A-7515-4081-85AC-871B9FB57772@gmail.com> X-Mailer: Apple Mail (2.3273) X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, HTML_MESSAGE, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Mon, 04 Jun 2018 00:26:35 +0000 Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] BIP 158 Flexibility and Filter Size X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Jun 2018 18:18:39 -0000 --Apple-Mail=_2A77E10B-B4FF-4F12-BB18-127961C4EA68 Content-Type: multipart/alternative; boundary="Apple-Mail=_3442A1BA-D64E-4D7C-B20E-3C2663526567" --Apple-Mail=_3442A1BA-D64E-4D7C-B20E-3C2663526567 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Correction: - Output script + spent script filters (Wuille=E2=80=99s (b)) have sizes = of ca. 2% of block size. Tamas Blummer > On Jun 3, 2018, at 18:44, Tamas Blummer = wrote: >=20 > I processed bitcoin history assuming filters using with P=3D19 = M=3D784931. >=20 > Findings: > - Output script + spent script filters (Wuille=E2=80=99s (b)) have = sizes of ca. 0.2% of block size. > - Output script + spent script filters (Wuille=E2=80=99s (b)) are ca. = 10% smaller than output script + spent outpoint filters (Wuille's (a)). = Savings here however trend lower since years. >=20 > Graphs attached. >=20 > Tamas Blummer >=20 > --Apple-Mail=_3442A1BA-D64E-4D7C-B20E-3C2663526567 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Correction: 
- Output script = + spent script filters (Wuille=E2=80=99s (b)) have sizes of ca. 2% of block size.

Tamas Blummer

On = Jun 3, 2018, at 18:44, Tamas Blummer <tamas.blummer@gmail.com> wrote:

I processed bitcoin history assuming filters using with P=3D19 = M=3D784931. 

Findings:
- Output script + spent script = filters (Wuille=E2=80=99s (b)) have sizes of ca. 0.2% of block = size.
- Output script + spent script filters = (Wuille=E2=80=99s (b)) are ca. 10% smaller than output script + spent = outpoint filters (Wuille's (a)). Savings here however trend lower since = years.

Graphs = attached.

Tamas = Blummer

<scriptfil= ter.png><scriptssa= ving.png>

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