3 ms·
VPGATHER is actually significantly faster than scalar loads at least on Skylake, possibly on some earlier CPUs as well (Broadwell?). On Haswell where it was fi
by vardump 7y ago
VPGATHER is actually significantly faster than scalar loads at least on Skylake, possibly on some earlier CPUs as well (Broadwell?).
On Haswell where it was first introduced... yeah, not very fast, like you mentioned.