The benefits are visible if you search for the word "TSX". It says:
"Replacing the insert and update functions of our specialized growing hash table with Intel TSX variants increases the throughput of our hash table by up to 7%"
"Replacing the insert and update functions of our specialized growing hash table with Intel TSX variants increases the throughput of our hash table by up to 7%"
If you only run trusted code, Zombieload V2 seems irrelevant (on first glance. I didn't look deeper to see if there are ways to exploit it from a bytecode interpreter or such.)