Date: Sun, 19 Oct 2008 10:56:28 -0400 From: Eitan Adler <eitanadlerlist@gmail.com> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: freebsd-ports@freebsd.org Subject: Re: speed up ports install Message-ID: <48FB4A9C.9090908@gmail.com> In-Reply-To: <20081019133934.GA77293@icarus.home.lan> References: <48FB344E.9040904@gmail.com> <20081019133934.GA77293@icarus.home.lan>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jeremy Chadwick wrote: > On Sun, Oct 19, 2008 at 09:21:18AM -0400, Eitan Adler wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> I have a simple idea to make use the threads without any possibility of >> conflicts. I am sure there will be someone to point out a negative, but >> I don't see any. >> When you do "make install" launch a "make fetch-recursive" thread at the >> same time. That way you don't need to wait for the files to >> install->fetch the next one->install it->fetch the next one... >> For those who don't want that you could get the old behavior with "make >> onlyinstall". I currently do this with a "make" wrapper script and I >> find installation to be faster. > > What about this scenario? > > # cd /usr/ports/friendly/apes > # make install > > <forked copy of 'make fetch-recursive' is launched in background> > <fetch for friendly/apes finishes, "make" starts> > <"make" finds a dependency which isn't installed, friendly/dogs> > <"make" begins to build friendly/dogs, but friendly/dogs is still being > downloaded from fetch-recursive, because the source is very large; > say, 30MBytes> > <"make" for friendly/dogs forks another fetch-recursive......> In my case the initial fork would only happen once and the large file would be a race between make-fetch-recursive and make-fetch. this is not a problem. > > What I'm trying to say is, there would need to be mechanisms put in > place to cause the entire build process to block (halt/pause) until the > backgrounded fetch-recursive has completed. > - -- GNU Key fingerptrint: 2E13 BC16 5F54 0FBD 62ED 42B6 B65F 24AB E9C2 CCD1 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkj7SpwACgkQtl8kq+nCzNEGRgCfc8t3LFfCD5pH+MizOX0U/+l+ QdsAn1qfFxLKFx0W0k8MQxWe//fRdsda =8mDL -----END PGP SIGNATURE-----
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