RFR: 8271515: Integration of JEP 417: Vector API (Third Incubator) [v4]

Sandhya Viswanathan sviswanathan at openjdk.java.net
Tue Oct 19 22:40:44 UTC 2021


On Tue, 19 Oct 2021 22:37:10 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> This PR improves the performance of vector operations that accept masks on architectures that support masking in hardware, specifically Intel AVX512 and ARM SVE.
>> 
>> On architectures that do not support masking in hardware the same technique as before is applied to most operations, specifically composition using blend.
>> 
>> Masked loads/stores are a special form of masked operation that require additional care to ensure out-of-bounds access throw exceptions. The range checking has not been fully optimized and will require further work.
>> 
>> No API enhancements were required and only a few additional tests were needed.
>
> Paul Sandoz has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Resolve review comments.

Marked as reviewed by sviswanathan (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/5873


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