Huge pages and druntime parameters

Martin Nowak code at dawg.eu
Tue Oct 1 15:41:26 PDT 2013


On 09/27/2013 02:54 AM, Jonathan M Davis wrote:
> IIRC, Leandro made his concurrent GC use environment variables to set stuff
> like this.
>
> - Jonathan M Davis
>
Speaking about the concurrent GC, huge pages incur a huge penalty for 
COW because the virtual memory granularity goes from 4Kb to 2Mb, i.e. 
500x more copying when the parent process modifies a page while the 
forked process performs GC.


More information about the Digitalmars-d mailing list