From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37321) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gWQc5-0002cn-Qy for guix-patches@gnu.org; Mon, 10 Dec 2018 13:49:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gWQc2-0000fn-A7 for guix-patches@gnu.org; Mon, 10 Dec 2018 13:49:05 -0500 Received: from debbugs.gnu.org ([208.118.235.43]:37890) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gWQc2-0000fc-3s for guix-patches@gnu.org; Mon, 10 Dec 2018 13:49:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gWQc1-0004cJ-UM for guix-patches@gnu.org; Mon, 10 Dec 2018 13:49:01 -0500 Subject: [bug#33643] [PATCH] gnu-build-system: Enable xz to decompress in parallel. Resent-Message-ID: Date: Mon, 10 Dec 2018 20:48:43 +0200 From: Efraim Flashner Message-ID: <20181210184843.GA1323@macbook41> References: <20181206075615.4637-1-mail@cbaines.net> <20181206081352.GA31941@jasmine.lan> <87o99yo382.fsf@cbaines.net> <20181206210653.GA909@jasmine.lan> <20181209143201.GA1307@macbook41> <20181210162429.GA9407@jasmine.lan> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="qMm9M+Fa2AknHoGS" Content-Disposition: inline In-Reply-To: <20181210162429.GA9407@jasmine.lan> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+kyle=kyleam.com@gnu.org Sender: "Guix-patches" To: Leo Famulari Cc: 33643@debbugs.gnu.org --qMm9M+Fa2AknHoGS Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 10, 2018 at 11:24:29AM -0500, Leo Famulari wrote: > On Sun, Dec 09, 2018 at 04:32:01PM +0200, Efraim Flashner wrote: > > If the tarball is compressed in parallel then it can be decompressed in > > parallel. >=20 > The xz documentation says that parallel decompression is not > implemented? Is that no longer the case? Looks like I got caught up with the original release notes. https://git.tukaani.org/?p=3Dxz.git;a=3Dblob;f=3DNEWS;hb=3DHEAD#l94 Looks like it's specifically only compression. >=20 > > As for compressing in parallel, it *might work* to pass it through our > > non-bootstrap tar for 'tar --sort=3Dname' and then pass it through xz > > -T(pick-a-num). >=20 > That could be helpful! --=20 Efraim Flashner =D7=90=D7=A4=D7=A8=D7=99=D7=9D = =D7=A4=D7=9C=D7=A9=D7=A0=D7=A8 GPG key =3D A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted --qMm9M+Fa2AknHoGS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEoov0DD5VE3JmLRT3Qarn3Mo9g1EFAlwOtQUACgkQQarn3Mo9 g1HAzA/6AtSY7TGrc1DjJyrZKjjvjRoPUL/j1875Zvp7gPYDkdI46TQPngS4+sxg KWSEO4LFExteeld29OBtYH/tRJYQxzQv76hKLQEjdRXo3ITeJyVU7hB7T62FLZTe bJyxLRDPTCjWNg+/hqsiUBERgN9tWkFryfHbfeBGJPcDgy81ONgZ6ZXjbPRtLscK gIwlig14BhEScTopspiyy02n18xUs80fv8vAiDzdibAPr7gvsHGdjU3VN8uAbeUj +LwHIUSBAn12hxtEcjzrbmlbRk8gDAXQ89z4h6LQloIfkfFXzsRs0enfZIil0I7o 8z9QJ31Vx/CRdPDJ3QpdQZvcWCUi/q3WcH0WLGDOuoC94mVCpEmrnvjrKOVwpZo9 mcKZTv97e40y0yJEJ7qrXpwKlZw/kvlc7WYhf+FGzd2z98Hha9DWvcH3OPZ7Quqa /UmOmYHgm3Mm4uRgM3zbySDCZd7TpbhmThJFB+k8gwX5V/gQwCQ9UaMdShzAmVwP J9AWZm/QNz7pHDyC+vsae1WsXWc2VsAOL5Nv3hP8zokmw73p/62RGMl4+IUZgELn KAJu3Cu01ioTMeOJGUPO2jfDNLopVBzQ+pgOMVCAyiV0UNcOu52Q8/FzMkpZcdaK v6Z2r3BByuPVGIsmKeZ1zXKx2WnJKPQ6PaBA8uzRAbBDEtP6kCM= =OBRF -----END PGP SIGNATURE----- --qMm9M+Fa2AknHoGS--