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Simon Marlow authored
When a stack is occupying less than 1/4 of the memory it owns, and is larger than a megablock, we release half of it. Shrinking is O(1), it doesn't need to copy the stack.
fac738e5
When a stack is occupying less than 1/4 of the memory it owns, and is larger than a megablock, we release half of it. Shrinking is O(1), it doesn't need to copy the stack.