ByteBuffer performance issue in Java 9?

Andrew Haley aph at redhat.com
Mon Mar 13 08:37:02 UTC 2017


On 12/03/17 21:15, Michael McCandless wrote:
> I compared Java 1.8.0_121 (base, below) and Java 9 ea 160 (comp), indexing
> and searching all Wikipedia English content, using MMapDirectory, and
> net/net there is some smallish slowdown, but it's not catastrophic.

Right, but ByteBuffers were significantly rewritten for a significant
performance *increase*.  Any slowdown shows that something has gone
very wrong indeed.

Andrew.



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