There are some optimization ideas in this e-mail thread (especially in the leaves or the thread).
http://gcc.gnu.org/ml/java/2006-06/msg00030.html Basically, Buffers have no accessable constructors, so the compiler knows that there can be no user classes derived from Buffer. Buffers can be treated much like final classes and all Buffer methods could be inlined. Many of the get and put methods could be inlined as if they were fancy array accesses. -- Summary: Make gcj inline methods in java.nio.Buffer Product: gcc Version: 4.2.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priority: P3 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: daney at gcc dot gnu dot org GCC build triplet: *-*-* GCC host triplet: *-*-* GCC target triplet: *-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27982
