From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mail.byosoft.com.cn (mail.byosoft.com.cn [58.240.74.242])
 by mx.groups.io with SMTP id smtpd.web08.8789.1607048892738747085
 for <devel@edk2.groups.io>;
 Thu, 03 Dec 2020 18:28:13 -0800
Authentication-Results: mx.groups.io;
 dkim=missing; spf=none, err=permanent DNS error (domain: byosoft.com.cn, ip: 58.240.74.242, mailfrom: gaoliming@byosoft.com.cn)
Received: from DESKTOPS6D0PVI ([58.246.60.130])
	(envelope-sender <gaoliming@byosoft.com.cn>)
	by 192.168.6.13 with ESMTP
	for <daniel.schaefer@hpe.com>; Fri, 04 Dec 2020 10:28:10 +0800
X-WM-Sender: gaoliming@byosoft.com.cn
X-WM-AuthFlag: YES
X-WM-AuthUser: gaoliming@byosoft.com.cn
From: "gaoliming" <gaoliming@byosoft.com.cn>
To: <devel@edk2.groups.io>,
	<lersek@redhat.com>,
	"'Schaefer, Daniel'" <daniel.schaefer@hpe.com>
Cc: "'Lin, Derek \(HPS SW\)'" <derek.lin2@hpe.com>
References: <a87105e7-be55-b66d-eee0-a9f495f705e8@hpe.com> <9ebc277a-4acd-f567-cc08-fa076e4a5766@redhat.com> <DF4PR8401MB04449394D5540D7E922BED40E0F20@DF4PR8401MB0444.NAMPRD84.PROD.OUTLOOK.COM> <16c68ee6-19a7-1446-719d-3553a2df842e@redhat.com>
In-Reply-To: <16c68ee6-19a7-1446-719d-3553a2df842e@redhat.com>
Subject: =?UTF-8?B?5Zue5aSNOiBbZWRrMi1kZXZlbF0gTXVsdGl0aHJlYWRlZCBjb21wcmVzc2lvbiB3aXRoIExaTUEy?=
Date: Fri, 4 Dec 2020 10:28:10 +0800
Message-ID: <00a201d6c9e5$1c2949d0$547bdd70$@byosoft.com.cn>
MIME-Version: 1.0
X-Mailer: Microsoft Outlook 16.0
Thread-Index: AQHflGFSZn2WPqT5OCaPh7KljJ49mwHedulOAlE21gQCBuBYNKmi61zw
Content-Type: text/plain;
	charset="gb2312"
Content-Transfer-Encoding: quoted-printable
Content-Language: zh-cn

Daniel=A3=BA
  Yes. New guided section extractor matches new compression algorithm. For
the compression algorithm, its compression ratio, compression performance,
the decompression performance, the decompression taken memory are all
required to be considered.=20

Thanks
Liming
> -----=D3=CA=BC=FE=D4=AD=BC=FE-----
> =B7=A2=BC=FE=C8=CB: bounce+27952+68292+4905953+8761045@groups.io
> <bounce+27952+68292+4905953+8761045@groups.io> =B4=FA=B1=ED Laszlo Ersek
> =B7=A2=CB=CD=CA=B1=BC=E4: 2020=C4=EA12=D4=C24=C8=D5 7:35
> =CA=D5=BC=FE=C8=CB: Schaefer, Daniel <daniel.schaefer@hpe.com>; devel@ed=
k2.groups.io
> =B3=AD=CB=CD: Lin, Derek (HPS SW) <derek.lin2@hpe.com>
> =D6=F7=CC=E2: Re: [edk2-devel] Multithreaded compression with LZMA2
>=20
> On 12/03/20 13:11, Schaefer, Daniel wrote:
> >
> > From: Laszlo Ersek <lersek@redhat.com>
> > Sent: Thursday, December 3, 2020 18:24
> > To: devel@edk2.groups.io <devel@edk2.groups.io>; Schaefer, Daniel
> <daniel.schaefer@hpe.com>
> > Cc: Lin, Derek (HPS SW) <derek.lin2@hpe.com>
> > Subject: Re: [edk2-devel] Multithreaded compression with LZMA2
> >
>=20
> > "xz -T" works by splitting the input into blocks, and it generates a
> > multi-block compressed output.
> >
> > Yes, that's correct.
> >
> >> I'm unsure if the current LZMA
> > decompressor that runs inside the firmware (=3D guided section extract=
or)
> > copes with multi-block input.
> >
> > I think you're right that it doesn't. But we can make the guided secti=
on
> extractor use that same algorithm(LZMA2) and assign it a different GUID,
> right?
>=20
> I guess so...
>=20
> Thanks
> Laszlo
>=20
>=20
>=20
>=20
>=20