D Cannot Be Used for Real Time / Low Latency Systems? - Of course it can!

Barry L. via Digitalmars-d digitalmars-d at puremagic.com
Sat Dec 19 07:39:50 PST 2015


On Saturday, 19 December 2015 at 02:20:32 UTC, Ola Fosheim 
Grøstad wrote:
> On Friday, 18 December 2015 at 20:40:48 UTC, Barry L. wrote:
>> Summary - modern financial trading apps use multi-core 
>> machines and shared memory via memory mapped files, and 
>> multi-core boxes to achieve nanosecond latency.
>
> 1 nanosecond => 3 clock cycles. A single read from RAM is > 100 
> cycles.
>
> In that ballpark you have to use silicone/FPGA.

Yep, my typo, meant low microsecond.


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