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

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