Re: [hatari-devel] Suspected problem iwith TimerD patch

["Roger Burrows" <anodyne@xxxxxxxxxxxx>]

On 10 Dec 2020 at 1:55, Eero Tamminen wrote:
> On 12/10/20 1:22 AM, Roger Burrows wrote:
> > On the EmuTOS list, Eero reported that the program Bomb Squad
> > (http://www.atarimania.com/game-atari-st-bomb-squad-falcon030_21766.html)
> runs
> > a lot more slowly under EmuTOS (latest version) than under TOS4.04 (both
> > running under Hatari 2.2.1).  After lengthy investigation, I believe that
> this
> > is caused by a Hatari problem.
> ...
> > After reading the comments in Hatari's mfp.c, I interpret this to mean
> that
> > when running EmuTOS, Hatari will have to evaluate the interrupt queue much
> more
> > often than it would on TOS 4.04, causing a major slowdown on my somewhat
> slow
> > system.
> 
> This game doesn't need DSP, so you can run it
> with "--dsp none" for a large emulation perf
> boost.
> 
> Game works also without CPU cache emulation (like
> many other Falcon programs that don't communicate
> with DSP), so you can disable that too, with
> "--cpu-exact off", for another large perf boost.
> 
I really don't care about the game.  I was reporting why it runs slower under 
EmuTOS.  Are you saying that you don't do a TimerD patch any more?  Or that 
it's not done for Falcons?

Roger