AR codes slow down my gamezzzz!

[marcin2x4]

I'm running RE remake on dolphin and when I
activate AR's cheats the game runs very slooooowww
as when cheats are off the games runs smooth.
Any ideas of how to repair this bug?

[marcin2x4]

setting

dolhpin: r7128 64-bit
rig:
core2duo 1,86Ghz
2GB ram ddr2
asus geforce 9600gt 1GBddr3
Asus motherboard (p5 series)
Win 7 pro 64-bit

cheats
Unlimited Ammo - All Guns
00B26B91 18000000
0222A2AA 0000FFFF
0422A2AC 7FFFFFFF
0422A2B0 7FFFFFFF
0422A2B4 7FFFFFFF

Infinite Health
00B207C3 18000000
0222A29E 00000578