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From Geir Magnusson Jr <g...@pobox.com>
Subject Re: ITC's java.math package contribution
Date Fri, 21 Apr 2006 14:40:44 GMT


Daniel Fridlender wrote:
> Dear all,
> 
> on behalf of ITC I have updated our contribution of the package
> java.math including some recent optimizations (HARMONY-199).  I think
> it  would be interesting to compare our implementation with the one
> donated by Intel (HARMONY-39).  In order to do that, it would be nice
> to have a collection of applications were the package is used.
> 
> So far, we have tried both implementations with a realistic
> application (RSA key generation) and our implementation turned out to
> have a significantly better performance.

Nice!  Performance is good!

> 
> Another point is that we implemented the full 1.5 API functionality,
> which in the case of BigDecimal amounts to having about twice as many
> methods as in the 1.4.2 API.  This may have little significance now,
> but it will definitely be important when Harmony moves to 1.5
> 
> Our implementation uses 1.5 syntax since the 1.5 API includes an Enum
> (RoundingMode).
> It should be easy to obtain a 1.4.2 implementation of the 1.4.2 API from it.

Great - can we compile down to 1.4 bytecode?

geir

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