I have found that the cost of printing the spew often slows down compiles measurably, especially when spewing to an xterm running on a local XFree86 process. Even with syscons, this is noticeable.
I generally tend to run my builds behind the screen port these days, which helps (screen implements a virtual display buffer that disconnects screen updates from the display client and the slave pty). Another optimization worth noting is running make -q, which silences a lot of that spam (urban legend has it that the synchronization in parallel makes to write the build messages causes noticeable amounts of contention).
On Nov 29, 2003, at 3:22 PM, Garance A Drosihn wrote:
I also had some benchmarks of doing 'buildworld' over an ssh connection vs doing it at the console. Oddly enough, the ssh connection was faster in some ways and slower in others. I wonder if there is a speed-up by writing to a file instead of the console?
-- Jonathan Mini [EMAIL PROTECTED] http://www.freebsd.org
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