> No. We want to collect more information and do more comparisons before moving 
> away from the recommended Java buffering.

Interesting. Why do you consider it recommended to read one character
at a time in a case like this? Maybe there is such a recommendation
that I don't know about, but in general I would consider it contrary
to expected practice when doing I/O if performance is a concern.

Even discounting the fact of ensureOpen() and lock acquisition that
seems to be used as per my previous post, even the most efficient
implementation I can think of (do some index checking and bump a
positional pointer) would still be generally expected to be slower
when invoked one character/byte at a time than larger chunks being
coped with e.g. System.arraycopy() (though as with all things, within
reason; cranking up size too much will of course have other effects
such as GC overhead, poorer cache locality, etc).

(Note that I'm not arguing the point of whether or not it should be
committed before 1.2, but I'm genuinely interested in why not reading
one character (or byte) at a time would be a controversial change.)

-- 
/ Peter Schuller

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