[Openmcl-devel] Speeding up I/O
alms at clozure.com
Thu Jul 23 20:19:54 UTC 2009
Have you tried this?
On Jul 23, 2009, at 4:00 PM, Ron Garret wrote:
> I'm trying to crunch a semi-large file (~500MB) and just reading the
> data via (while (read-line f nil nil)) take about seven times longer
> than it does in, say, Python (73 seconds versus 12). Is there some
> low-level I/O primitive that I can call that bypasses all the high-
> level stream stuff that would speed this up? %ioblock-unencoded-
> character-read-vector maybe? Or %ioblock-tyi? Can I call these
> directly without screwing things up?
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