<i18n dev> Review Request for CR : 7050528 Improve performance of java.text.DecimalFormat.format() call stack

Joe Darcy joe.darcy at oracle.com
Sun Sep 16 08:34:37 PDT 2012

Looks fine; approved.



On 9/12/2012 10:19 AM, Olivier Lagneau wrote:
> Please review The implementation of a fast-path algorithm for 
> optimizing the DecimalFormat.format(double, ...) call stack.
> The webrev is here :
> http://cr.openjdk.java.net/~olagneau/7050528/webrev.02/
> As described in the CR evaluation and suggested fix, the speed-up on a 
> dedicated micro-benchmark
> is more than x10 on either SPARC or x86 architectures. The footprint 
> cost is ~6kbytes from a static
> char array constant data to collect digits from integer values.
> There is an associated regression test, together with a 
> micro-benchmark that may be run optionally.

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