[OT] Re: Why don't you advertise more your language on Quora etc ?

Rico Decho via Digitalmars-d digitalmars-d at puremagic.com
Mon Mar 6 11:48:31 PST 2017


> If you have a lot of total allocated memory, GC may still be 
> somewhat slow (because it has to scan a lot of memory, most of 
> which is still live).  One possible approach is to do your 
> large-scale, long-term allocations outside the GC heap (i.e., 
> use malloc) so that the amount of GC memory that needs to be 
> scanned is small.
>
> One approach of reducing the amount of GC allocations that 
> people new to D seem to overlook, is to avoid string 
> allocations by using D's range-based algorithms instead.  E.g., 
> instead of:
>
> 	auto s = "abc" ~ myString ~ "def"; // lots of allocations
> 	writeln(s);
>
> Do this instead:
>
> 	import std.range;
> 	auto r = chain("abc", myString, "def"); // no allocation
> 	writeln(r);
>
> This isn't always possible, e.g., if you need to store the 
> result of a concatenation and access it later, but a lot of 
> on-the-fly allocations (i.e., short-term garbage) could be 
> eliminated this way.
>
>
> T

PERFECT !!!


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