RFR 8200696 : Optimal initial capacity of java.lang.Class.enumConstantDirectory
claes.redestad at oracle.com
Wed Apr 4 06:56:46 UTC 2018
Nit: maybe (int)(universe.length / 0.75f) + 1 to keep fp arithmetic to a
On 2018-04-04 01:22, Ivan Gerasimov wrote:
> Yet another occurrence of not-optimally pre-sized HashMap.
> When java.lang.Class.enumConstantDirectory is created, the initial
> capacity is set to be (2 * universe.length), which is more than
> necessary in some cases.
> Choosing the capacity optimally will allow us to save a few bytes with
> some enum classes.
> Would you please help review this trivial fix?
> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8200696
> WEBREV: http://cr.openjdk.java.net/~igerasim/8200696/00/webrev/
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