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Less input lag in newer GroovyMAME+CRT Emudriver setup?

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David Courant:
Hello,

I have installed GroovyMAME (with soft15kHz patch) on my arcade cabinet in 2013 and haven't changed anything on that setup since then. It is still running Windows XP and I am using groovymame32_142.012o (any newer version doesn't run on my system).
I am now considering buying a new PC with Windows 7 and installing the newest version of CRT Emudriver and GroovyMAME. My question is: Is there an improvement with regards to input lag when updating to the newest version?

With my setup I have 2 frames lag in Donkey Kong.
There is a special mame version called shmupmame with reduced input lag and with shmupmame I get 1 frame lag in DK, so 1 frame less then the old GroovyMAME version am still using. Would this reduced lag also be possible with a newer version of GroovyMAME?

And if someone wants do me a favor: Could you please check the input lag on Donkey Kong on your groovymame setup. In the game press p to pause, then press and hold the joystick in one direction and then press shift+p to advance the emulation 1 frame until the player sprite moves in this direction. 

Thanks

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