Apples and oranges. OpenJDK does have low-pause collectors in the 1ms range which also perform compacting. Go on the other hand buys its sub-millisecond pause t

Apples and oranges. OpenJDK does have low-pause collectors in the 1ms range which also perform compacting. Go on the other hand buys its sub-millisecond pause times at the expense of fragmented heap and lower memory locality (an advantage the JVM then immediately wastes through pointer chasing...)