GetLong has to get it a byte at a time still to support endianess. Id have to think about it, but what you really want is to get it all into a byte array and then process it in 64bits. AIR there are some new array recasting things in Java 5+. Ill need to go look at them more closely...
On Fri, Jul 1, 2011 at 5:42 PM, Yang <teddyyyy...@gmail.com> wrote: > I can see from profiling that a lot of the time in both reading and writing > are spend on ByteBuffer compare on the column names (for long rows with many > columns) > I looked at the ByteBufferUtil.unsignedCompareByteBuffer() , it's basically > the same structure as standard JVM ByteBuffer.compare() > looping over each byte doing a ByteBuffer.get() > is there a faster (probably hardware-based) compare ? I tried doing 8 bytes > at a time by doing getLong() and it actually seems slower > thanks > Yang -- It's always darkest just before you are eaten by a grue.
