[fpc-devel] Curious about the effect of all the new optimizations....

J. Gareth Moreton gareth at moreton-family.com
Wed Mar 1 14:22:53 CET 2023


On 01/03/2023 13:11, Martin Frb via fpc-devel wrote:
> Hence testing back to  3.2.3 ( unfortunately 3.2.2 has a bug that 
> matters in this code)
>
> Also, I didn't expect any huge diffs, just wanted to see if anything 
> can be noted at all. (and if lucky, in that test I run)
>
> I did a test on a more limited scope (testing only a handful of 
> functions. That test runs 4 Min 20 sec under 3.2.3.
> And 2 extra seconds with 3.3.1.  But then I only had 2 sample runs for 
> each fpc version....

2 seconds out of 4:20 is not conclusive unfortunately, unless you're 
able to exactly control the machine state each time, which is next to 
impossible in the modern day.  I am curious of the slowdown though, even 
if it is very slight.

Kit



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