> Hi All,
>
> This patch optimizes sub-word gather operation for x86 targets with AVX2 and
> AVX512 features.
>
> Following is the summary of changes:-
>
> 1) Intrinsify sub-word gather using hybrid algorithm which initially
> partially unrolls scalar loop to accumulates values from gather ind
On Fri, 22 Dec 2023 13:00:11 GMT, Sergey Tsypanov wrote:
>> Currently if we create a record it's fields are compared in their
>> declaration order. This might be ineffective in cases when two objects have
>> "heavy" fields equals to each other, but different "lightweight" fields
>> (heavy and
> From: "Viktor Klang"
> To: "Remi Forax"
> Cc: "core-libs-dev" , "Paul Sandoz"
>
> Sent: Thursday, January 18, 2024 5:14:38 PM
> Subject: Re: Gatherer: spliterator characteristics are not propagated
>> And for A.andThen(B), A.flags & B.flags should work, the stream is sorted if
>> both gathere
> Hi,
>
> Patch optimizes non-subword vector compress and expand APIs for x86 AVX2 only
> targets.
> Upcoming E-core Xeons (Sierra Forest) and Hybrid CPUs only support AVX2
> instruction set.
> These are very frequently used APIs in columnar database filter operation.
>
> Implementation uses a
