|
|
|
|
|
|
by Sharlin
2760 days ago
|
|
|
Assuming you unroll just enough to fill a SIMD lane. As mentioned, in this case aggressive (16-fold) unfolding actually appears to have prevented vectorization. (A smart enough vectorizer could of course handle this but unrolling just to ”re-roll” in a later pass doesn’t sound very smart.) |
|
|