Encouraging preliminary results implementing memcpy in D

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On Thursday, 14 June 2018 at 07:54:20 UTC, Jonathan M Davis wrote:
> On Wednesday, June 13, 2018 14:34:28 Uknown via 
> Digitalmars-d-announce wrote:
>> Looks very promising. One question though, why not use 
>> std.datetime.stopwatch.benchmark? I think it has some 
>> protection against optimizing compilers (I may be wrong 
>> though). Also, LDC has attributes to control optimizations on 
>> a per function basis.see : 
>> https://wiki.dlang.org/LDC-specific_language_changes
>
> Unfortunately, std.datetime.stopwatch.benchmark does not yet 
> have such protections. It has been discussed, but there were 
> issues with it that still need to be sorted out.
>
> In any case, what he has implemented is pretty much what's in 
> Phobos except for the fact that he set up his to take 
> arguments, whereas Phobos' solution just takes the function(s) 
> to call, so anything that it does has to be self-contained.
>
> - Jonathan M Davis

huh. I saw the PR and assumed it was accepted. Anyway, for DMD 
putting `asm` blocks seems to still disable optimizations, and 
for LDC, the pragma is perfect. GDC is the only unknown.