libjamm-java - 0.4.0-2 main

Jamm provides MemoryMeter, a java agent to measure actual object memory
use including JVM overhead.
.
MemoryMeter is as accurate as
java.lang.instrument.Instrumentation.getObjectSize, which only claims
to provide "approximate" results, but in practice seems to work as
expected.
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MemoryMeter uses reflection to crawl the object graph for measureDeep.
By default, MemoryMeter keeps track of descendants visited by
measureDeep with an IdentityHashMap.