Increasing D Compiler Speed by Over 75%

[Walter Bright]

On 8/2/2013 2:47 AM, Rainer Schuetze wrote:
> My disassembly looks exactly the same. I don't think that a single div operation
> in a rather long function has a lot of impact on modern processors. I'm running
> an i7, according to the instruction tables by Agner Fog, the div has latency of
> 17-28 cycles and a reciprocal throughput of 7-17 cycles. If I estimate the
> latency of the asm snippet, I also get 16 cycles. And that doesn't take the
> additional tests and jumps into consideration.


I'm using an AMD FX-6100.