New DecimalFormat vs. old on 10 aug 2015

	A	B	C	D	E	F
1	Task	New NumberFormat code (ns)	Old NumberFormat code (ns)	% improvement	Times faster	Notes
2	Creation from a raw pattern string (no caching)	11700	14400	18.75%	1.230769231
3	Format small int (31) using format(int, UErrorCode)	330	1200	72.50%	3.636363636
4	Format 2.99792458E8 with 0.00000E0	4570	5600	18.39%	1.225382932
5	Format 4.6692016 with 0.0000000	2480	3450	28.12%	1.391129032
6	Format 2.1 with 0.0000000	1120	3450	67.54%	3.080357143
7	Format 3.0 with 0.0000000	1050	3450	69.57%	3.285714286
8	Format 2.01 with 0.0000000	2500	3450	27.54%	1.38	2.01 is often problematic for rounding, so does not use the fastpath
9	Format 1234567.8901 with 0.0000000	3650	4750	23.16%	1.301369863
10	Format "23.0 degrees Celsius" with MeasureFormat	1800	5250	65.71%	2.916666667
11	Format "23 degrees Celsius" with MeasureFormat	1850	2150	13.95%	1.162162162
12	Message Formatting: I have 1 friend; I have 3 friends.	3050	2400	-27.08%	0.7868852459	the slight performance hit here is likely in the fast track checking. The new code has to call isZero() on DigitLists whereas the old code checked if a pointer was NULL. We can revisit if needed. Maybe add an isZero boolean flag along side the DigitLists?
13	Message Formatting: I have 1.0 friend; I have 3.0 friends.	3500	5400	35.19%	1.542857143
14
15	Converting 1234567 to DigitList	300
16	Converting 1234567.8901 to DigitList	1300
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