IBM User Guide for Java V7 on Windows > IBM SDK for Java > The collector and the allocator > The collector and the allocator

Object allocation

Object allocation occurs after requests by applications and class libraries.

Objects less than 512 bytes (768 bytes on 64-bit JVMs) are allocated from the thread local heap cache, and do not require a heap lock.

Larger objects can be allocated from the TLH cache if there is sufficient space.

When using Balanced Garbage Collection policy on x86 and POWER architectures that have Non-Uniform Memory Architecture (NUMA) characteristics, to optimize memory access, allocation includes the segregation of threads across NUMA nodes.

Parent: The collector and the allocator

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