On C/C++ undefined behaviours

Andrej Mitrovic andrej.mitrovich at gmail.com
Sun Aug 22 08:50:06 PDT 2010


Quake 2 is a 13 year old game. :)

On Sun, Aug 22, 2010 at 4:57 PM, retard <re at tard.com.invalid> wrote:
> Fri, 20 Aug 2010 19:06:32 -0400, bearophile wrote:
>
>> retard:
>>> quake 2 port - http://bytonic.de/html/jake2_webstart.html
>>
>> Have you read some of that code? No Java programmer writes code like
>> that. That code is the "exception that confirms the rule" (I don't know
>> how this is normally written in English). The rule is that Java code is
>> slow ;-)
>
> I tested this game on my low-end HTPC (timedemo, map demo2). It's a Core
> 2 Duo with OC'd Geforce 8600. Got 850 FPS @ 1920x1080 with default
> quality settings. Does this make Java slow? I think I've heard that
> 30..50 fps is acceptable level in video games. It's hard to believe that
> idiomatic Java would be 15..30 times slower than this. I played through
> the whole demo. Not a single problem with the GC, the user experience was
> much better than with the original version 10 years ago.
>


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