JDK 7u-dev review request 8024356: Double.parseDouble() is slow for long Strings

Brian Burkhalter brian.burkhalter at oracle.com
Thu Sep 12 20:49:06 UTC 2013


On Sep 12, 2013, at 1:00 PM, David Chase wrote:

> On 2013-09-12, at 1:17 AM, Dmitry Nadezhin <dmitry.nadezhin at gmail.com> wrote:
>> The optimal constant for double conversion could be 768 ,
>> the optimal constant for float conversion could be 142,
>> but I leave this optimization to JDK 9.
> 
> It would be helpful to mention in the proof/comment, that 768 refers to the
> decimal representation that has had leading zeroes between decimal point
> and mantissa trimmed.


I updated the webrev to include a comment for MAX_NDIGITS sans both hyperlink and the foregoing verbiage:

http://cr.openjdk.java.net/~bpb/8024356/

If there is any more tweaking of comments which needs to be effected prior to an approval request being posted to 7u-dev, please let me know.

Thanks,

Brian


More information about the core-libs-dev mailing list