Displaying 1 result from an estimated 1 matches for "scalarcost".
2017 Mar 17
3
LoopVectorizer with ifconversion
On 17 March 2017 at 16:34, Hal Finkel <hfinkel at anl.gov> wrote:
> In general, this is true everywhere. In a large vectorized loop, this cost
> may well be worthwhile. The idea is that the cost model should account for
> all of these costs. If it doesn't properly, we should fix that.
Isn't this only worth when the SIMD instructions can be
conditionalised per lane? I