Date: Thu, 19 Jan 2006 18:06:05 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Gary Thorpe <gthorpe@myrealbox.com> Cc: Wesley Shields <wxs@csh.rit.edu>, Ashok Shrestha <ashok.shrestha@gmail.com>, Brandon Flowers <flowersster@gmail.com>, Mike Meyer <mwm@mired.org>, freebsd-hackers@freebsd.org, Dag-Erling Sm?rgrav <des@des.no> Subject: Re: speed up port compiling using RAM (tmpfs) ??? Message-ID: <20060119230604.GA98670@xor.obsecurity.org> In-Reply-To: <43D0139A.1040601@myrealbox.com> References: <79e2026f0601142345x1a9269bdl3153d1bb110be08d@mail.gmail.com> <86ek34d35f.fsf@xps.des.no> <17359.49899.183831.844670@bhuda.mired.org> <86k6cww445.fsf@xps.des.no> <20060119175224.GA71633@csh.rit.edu> <79e2026f0601191215p117d78ebjbee2c4b710075154@mail.gmail.com> <43D0139A.1040601@myrealbox.com>
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[-- Attachment #1 --] On Thu, Jan 19, 2006 at 05:32:58PM -0500, Gary Thorpe wrote: > Ashok Shrestha wrote: > >I mounted part of RAM as such: > > > >mdmfs -s 500m md /mnt > > > >Then put WRKDIRPREFIX=/path/to/md in /etc/make.conf. > > > >It substantially reduces compile time by about 5-10 times. > > > > > >Thanx to all ur replies. > > > >-Ashok Shrestha > > An alternative is to try using the "-pipe" flag with GCC: this > eliminates the need to use some temporary files by using a unix pipe for > IPC. Setting another flag "-j 2" will allow 2 jobs to be done at the > same time and should eliminate (by hiding) the I/O delays (this slows > down the CPU slightly because of more task switches, but even with one > job there are still lots of generated tasks). -j is not safe to use with port builds since many ported software contain race conditions in the build. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD0BtcWry0BWjoQKURAu+3AKDE0S5hMyJ7hfqRklEk7ZKQFgNGPwCdFME1 qC/z3ZSqOMysnT6L87cG79Q= =vsyI -----END PGP SIGNATURE-----
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