Go's march to low-latency GC

[Ola Fosheim Grøstad via Digitalmars-d]

On Monday, 11 July 2016 at 17:14:17 UTC, jmh530 wrote:
> On Monday, 11 July 2016 at 13:13:02 UTC, Patrick Schluter wrote:
>>
>> Because of attitudes like shown in that thread
>> https://forum.dlang.org/post/ilbmfvywzktilhskpeoh@forum.dlang.org
>> people who do not really understand why 32 bit systems are a 
>> really problematic even if the apps don't use more than 2 GiB 
>> of memory.
>>
>> Here's Linus Torvalds classic rant about 64 bit
>> https://cl4ssic4l.wordpress.com/2011/05/24/linus-torvalds-about-pae/  (it's more about PAE but the reasons why 64 bits is a good thing in general are the same: address space!)
>
> Why can't you use both 32bit and 64bit pointers when compiling 
> for x86_64?
>
> My guess would be that using 64bit registers precludes the use 
> of 32bit registers.

You can, but OSes usually give you randomized memory layout as a 
security measure.