Read text file fast, how?

[Jesse Phillips via Digitalmars-d]

On Monday, 27 July 2015 at 08:52:07 UTC, Martin Nowak wrote:
> On 07/26/2015 09:04 PM, Jesse Phillips wrote:
>> 
>> It would be better to compare with LDC or GDC to match the 
>> same backend as C++. That is a little harder since they don't 
>> have 2.068 yet.
>
> Reading a file is IO and memcpy limited, has nothing to do with 
> compiler optimizations. Clearly we must be doing some 
> unnecessary copying or allocating.

Unless the only code being exercised is only a system call to 
read and a system call to memcpy, then I'll stick with the notion 
that the backends may have something to do with it or if it is 
just tested with the same backend.