Why should I know this?

SK_SelectSelects elements from the corresponding lane of either source operand. This is equivalent to a vector select with a constant condition operand.        SK_PermuteTwoSrcMerge elements from two source vectors into one with any shuffle mask.SK_PermuteSingleSrcShuffle elements of single source vector with any shuffle mask.     #SK_Select소스 피연산자의 해당 레인에서 요소를 선택합니다. 이는 상수 조건 피연산자를 가진 벡터 선택과 동일..