Sometimes also referred to as an object pool. What makes this implementation special is that its pooling is both thread-local and global, and is plugged into t

Sometimes also referred to as an object pool. What makes this implementation special is that its pooling is both thread-local and global, and is plugged into the runtime/garbage collector. The former makes it much much faster than any pool the user could implement, and the later means is plays nice as resources become more scarce.