Pack output into a string first (for MPI output)
Pack output into a string first (for MPI output)

blue42u/swift-t,blue42u/swift-t,swift-lang/swift-t,swift-lang/swift-t,swift-lang/swift-t,swift-lang/swift-t,blue42u/swift-t,blue42u/swift-t,swift-lang/swift-t,swift-lang/swift-t,blue42u/swift-t,swift-lang/swift-t,blue42u/swift-t,blue42u/swift-t