Mir Blog: Writing efficient numerical code in D

[Johan Engelen via Digitalmars-d-announce]

On Monday, 12 December 2016 at 21:58:23 UTC, Relja Ljubobratovic 
wrote:
> Hey guys,
>
> We have just published another post on "Writing efficient 
> numerical code in D", to Mir's Blog[1].

Nice :)

Some comments:
- You can make the numbers in the table more readable by adding 
commas?
For example, 1624687 --> 1,624,687. Probably even better is to 
only show the most significant digits. 1624687 us --> 1.625 s for 
example.
- Add a sentence about the benchmarking set up. " The numbers 
shown are the best times of 10 trials, with LDC commandline 
options `ldc2 -O3 -release`" Something like that. Or add it to 
the configuration table.
- For the "convolution" example, could you elaborate on why the 
Mir-based implementation is so much faster than the C-like 
implementation? From the big table, I see that the speedup for 
DCV's convolution algorithms is not as large as 10x.
- The "threshold" algorithm has a 19x speed up?! (I would remove 
"threshold" from the average improvement calculation. The numbers 
are already awesome, no need to oversell it!)
- Overall, does this mean that DCV became more than twice as 
fast? How does it stack up to other vision libs after this 
massive speed boost?

cheers,
   Johan