Review Request for CR : 7050528 Improve performance of java.text.DecimalFormat.format() call stack
joe.darcy at oracle.com
Sun Sep 16 15:34:37 UTC 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 :
> 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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