From: Roger Pack <rogerdpack2@...>
Date: 2010-03-17T05:15:46+09:00
Subject: [ruby-core:28698] Re: Indentifying key MRI-on-Windows issues

> There is a smaller problem after that one, too. �If you're reading in
> ascii mode (the default in windows), it does a full scale encoding
> translation of incoming bytes before passing them back to you. �The
> good news is that this is only like 50x slower than a normal read, so
> might be bearable. �It could use some optimization, I haven't looked
> at it much.

It's also possible that the encoding could be optimized in several
other ways (special casing binary + \r\n, making it in general faster,
etc.)