Re: Minor performance improvements

[Kris Jurka <books(at)ejurka(dot)com>]

On Tue, 27 Feb 2007, Stephen Denne wrote:

> Four small optimizations in org.postgresql.core.PGStream:

Could you share some more of your results with us?  What sort of 
improvment did you see by making these changes?  Or could you share your 
test case code so we can do some timing of our own?

> 2) The byte masks are not required in SendInteger4 and SendInteger2, as 
> OutputStream.write(int) ignores the top 24 bits. Though if these are 
> removed I think comments should be included instead to clarify that only 
> the bottom eight bits get written.

Would using a class member byte[] _int4buf = new byte[4], filling it, and 
passing this to Send(byte buf[]) be better by avoid repeated method calls?

Kris Jurka