[vector] Some thoughts on alternative vector loop shapes
Vladimir Ivanov
vladimir.x.ivanov at oracle.com
Mon Aug 27 14:25:05 UTC 2018
> It can represent vectors of a larger size hardware supports:
>
> class Int1028Vector {
> final Int512Vector lo;
> final Int512Vector hi;
> }
>
> or provide an alternative (more optimal) representation of a vector
> which perfectly fits into a vector register:
By "more optimal" here I meant there could be cases where performing an
operation on smaller vectors can be faster: either due to more efficient
hardware implementation or absence of hardware support (e.g., lack of
256-bit integral support in AVX).
Best regards,
Vladimir Ivanov
More information about the panama-dev
mailing list