libcj java.nio.DirectBuffer is slow (no inlining)

Andrew Haley aph@redhat.com
Tue Jun 6 16:32:00 GMT 2006


Andrew Haley writes:
 > P.O. Gaillard writes:
 > 
 > > I am using the gcj 4.1 that came with Fedora Core 5 and the NIO
 > > buffers are quite slow. From what I see with Oprofile, I would say
 > > that this is because the code is not inlined.
 > 
 > It's possible. It'd be intresting to find out.
 > 
 > > Is it possible (safe, reasonable?) to compile libgcj with -O3 ? If
 > > so why is the libgcj in FC5 not compiled that way ?
 > 
 > I know for certain that it's a significant improvement for some of the
 > crypto classes. In general, however, we lack data to know if the
 > additional bloat justifies the increase in size.
additional speed justifies the increase in size.


More information about the Java mailing list

AltStyle によって変換されたページ (->オリジナル) /