CHECK: Inclusive Segmented Scan w/ Key Sequence
CHECK-NEXT:  keys          : 0 0 0 1 1 2 2 2 2 3 4 4 5 5 5 
CHECK-NEXT:  input values  : 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
CHECK-NEXT:  output values : 2 4 6 2 4 2 4 6 8 2 2 4 2 4 6 
     CHECK: Inclusive Segmented Scan w/ Head Flag Sequence
CHECK-NEXT:  head flags    : 1 0 0 1 0 1 0 0 0 1 1 0 1 0 0 
CHECK-NEXT:  input values  : 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
CHECK-NEXT:  output values : 2 4 6 2 4 2 4 6 8 2 2 4 2 4 6 
     CHECK: Exclusive Segmented Scan w/ Key Sequence
CHECK-NEXT:  keys          : 0 0 0 1 1 2 2 2 2 3 4 4 5 5 5 
CHECK-NEXT:  input values  : 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
CHECK-NEXT:  output values : 0 2 4 0 2 0 2 4 6 0 0 2 0 2 4 
     CHECK: Exclusive Segmented Scan w/ Head Flag Sequence
CHECK-NEXT:  head flags    : 1 0 0 1 0 1 0 0 0 1 1 0 1 0 0 
CHECK-NEXT:  input values  : 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 
CHECK-NEXT:  output values : 0 2 4 0 2 0 2 4 6 0 0 2 0 2 4