Go's march to low-latency GC
Patrick Schluter via Digitalmars-d
digitalmars-d at puremagic.com
Mon Jul 11 06:13:02 PDT 2016
On Monday, 11 July 2016 at 12:21:04 UTC, Sergey Podobry wrote:
> On Monday, 11 July 2016 at 11:23:26 UTC, Dicebot wrote:
>> On Sunday, 10 July 2016 at 19:49:11 UTC, Sergey Podobry wrote:
>>>
>>> Remember that virtual address space is limited on 32-bit
>>> platforms. Thus spawning 2000 threads 1 MB stack each will
>>> occupy all available VA space and you'll get an allocation
>>> failure (even if the real memory usage is low).
>>
>> Sorry, but someone who tries to run highly concurrent server
>> software with thousands of fibers on 32-bit platform is quite
>> unwise and there is no point in taking such use case into
>> account. 32-bit has its own niche with different kinds of
>> concerns.
>
> Agreed. I don't know why golang guys bother about it.
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!)
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