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Why is manually de-allocating memory using a keyword, such as "delete" in C++, faster than the automatic garbage collector, such as in Java?

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manually de-allocating memory using delete in C++ is much slower than a production garbage collection. Memory deallocation in a production tracing garbage collected system like Java is extremely efficient. Specifically, ~1MB of garbage objects are freed by resetting a single pointer. GC maintains the...
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manually de-allocating memory using delete in C++ is much slower than a production garbage collection. Memory deallocation in a production tracing garbage collected system like Java is extremely efficient. Specifically, ~1MB of garbage objects are freed by resetting a single pointer. GC maintains the tree of pointer and free the memory which is not connected by any tree node.

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