On Thu, 5 Jan 2023 12:18:58 GMT, Per Minborg <pminb...@openjdk.org> wrote:
>> Currently, `java.io.Bits` is using explicit logic to read/write various >> primitive types to/from byte arrays. Switching to the use of `VarHandle` >> access would provide better performance and less code. >> >> Also, using a standard API for these conversions means future `VarHandle` >> improvements will benefit `Bits` too. >> >> Improvements in `Bits` will propagate to `ObjectInputStream`, >> `ObjectOutputStream` and `RandomAccessFile`. >> >> Initial benchmarks and performance discussions can be found here: >> https://github.com/openjdk/panama-foreign/pull/762 > > Per Minborg has updated the pull request incrementally with one additional > commit since the last revision: > > Use canonical NaN values also for read The point, I think, is not whether the result is normalized (this is not specified in detail in the Javadoc of `Double::longBitsToDouble` and `Float::intBitsToFloat`, so it's open to the implementation) but to use the same basic conversions as the original code, just to avoid any ever so slight difference. ------------- PR: https://git.openjdk.org/jdk/pull/11840