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Subject: Re: [boost] [lockfree] tagged_ptr as a separate library
From: Olaf van der Spek (ml_at_[hidden])
Date: 2012-04-12 13:04:41

On Thu, Apr 12, 2012 at 6:08 PM, Tim Blechmann <tim_at_[hidden]> wrote:
>> I've heard of the JVM running in 64bit memory model, but compressing
>> pointers into 32bits by taking advantage of word alignment and most of the
>> address space starting around 0.  It means they can access ~32GB memory
>> while not having the memory footprint of all pointers double.
>> UseCompressedOops
> i suppose the main difference is that c++ runs on a real machine, while java
> runs on a virtual machine?

It could work on real hardware too if the OS supports it.


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