No it doesn't. It can't replace allocators in DLLS (e.g. it's possible, but the jemalloc implementation was not able to do, unlike say mimalloc, though special

No it doesn't. It can't replace allocators in DLLS (e.g. it's possible, but the jemalloc implementation was not able to do, unlike say mimalloc, though special precaution had to be taken during linking with mimalloc).