On Mon, 8 Mar 2021 18:52:19 GMT, Claes Redestad <[email protected]> wrote:
>> This patch optimizes String.format expressions that uses trivial specifiers.
>> In the JDK, the most common variation of String.format is a variation of
>> format("foo: %s", s), which gets a significant speed-up from this.
>>
>> Various other cleanups and minor improvements reduce overhead further and
>> ensure we get a small gain also for more complex format strings.
>
> Claes Redestad has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Use a BOM as a sentinel for uninitialized zero
src/java.base/share/classes/java/util/Formatter.java line 1936:
> 1934: private IOException lastException;
> 1935:
> 1936: // Non-unicode code point value used to mark zero as uninitialized
Sorry for being anal here, but BOM is a "noncharacter", a valid Unicode code
point. So "noncharacter" over "Non-unicode code point" seems appropriate.
http://www.unicode.org/faq/private_use.html#nonchar1
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PR: https://git.openjdk.java.net/jdk/pull/2830
