Teddy Choi created HIVE-11529: --------------------------------- Summary: Loop optimization for SIMD in IfExprLong*Long* Key: HIVE-11529 URL: https://issues.apache.org/jira/browse/HIVE-11529 Project: Hive Issue Type: Sub-task Components: Vectorization Reporter: Teddy Choi Assignee: Teddy Choi
HIVE-10238 showed that ?: operator can be optimized with bitwise operators when it only handles LongColumnVectors. There are more similar cases as following. IfExprLongColumnLongScalar: {code}outputVector[i] = (vector1[i] == 1 ? vector2[i] : arg3Scalar);{code} IfExprLongScalarLongColumn: {code}outputVector[i] = (vector1[i] == 1 ? arg2Scalar : vector3[i]);{code} IfExprLongScalarLongScalar: {code}outputVector[i] = (vector1[i] == 1 ? arg2Scalar : arg3Scalar);{code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)