Complex sentence: A purely software workaround to Meltdown has been assessed as slowing computers between 5 and 30 percent in certain specialised workloads, although companies responsible for software correction of the exploit are reporting minimal impact from general benchmark testing.
Split into simpler sentences: A purely software workaround to Meltdown has been assessed as slowing computers between 5 and 30 percent in certain workloads. Companies responsible for software correction of the exploit are reporting minimal impact from benchmark testing.