Re: GNU classpath 0.09

[Michael Koch]

Am Montag, 3. Mai 2004 17:18 schrieb Michael Koch:
> Hi Elliotte,
>
>
> I just read your news about the recent GNU classpath 0.09 release.
> I'm the one who wrote most of the java.nio, javax.print and
> javax.imageio stuff in GNU classpath. I'm astonished about your
> writing. In your text you wrote:
>
> " It also delegates much of java.io to java.nio, which strikes me as
> a colossally bad idea. java.nio really only works well for certain
> important but still special purpose cases. It tends to be slower than
> regular I/O for basic operations with small files. I wonder if
> anyonne's actually profiled this?"
>
> This somehow shows that you dont know the internals we have changed
> in GNU classpath 0.09. You have not made any profiling work and
> assume that things that may be right for other java.nio
> implementations apply to GNU classpath's implementation too.
>
> Before the change of java.io the classes FileInputStream,
> FileOutputStream and RandomAccessFile in java.io redirected all his
> calls to native methods in FileDescriptor. This class did all the
> hard IO work. Now all these native methods where moved to
> gnu.java.nio.channels.FileChannelImpl and the above three classes
> call these directly instead. I really wonder why this should make
> java.io slower just because the methods were moved to another class ?
>
> From the text I quoted above I assume you have done no profiling or
> you would know that it is not significant slower. You just apply your
> experience with another implementation on GNU classpath.
>
> Another thing I want to mention is that GNU classpath is NOT licensed
> under LGPL. Its licensed under GPL+exception. Thats a big difference
> as it allows the usage of GNU classpath in szenarious where LGPL
> would not allow it. LGPL doesnt allows e.g. static linking,  with the
> LGPL you have to distribute things in a way that lets you replace the
> LGPL part easily (so in practice that usually means the LGPL code
> must be in an .so).
>
> That is just my opinion about this news item and this mail is meant

Sorry about the typo: "isnt meant" is what I wanted to say. I hate to 
write mails in a hurry.

> as an offence against you or anyone else. It would be nice to make
> this clear on your website cafeaulait as people might get opinions
> about GNU classpath that are just wrong.
>
>
> Cheers,
> Michael