Metal Slug 1-5 slow in MVSPSP?

Just wondering if the Metal Slug games have a lot of slowdown for everyone else using MVSPSP.

The reason I ask is because everything in CPS1PSP and CPS2PSP run fantastic, but I downloaded them as a pack. The Neo Geo roms I got myself and did the caching too. just want to make sure I didn't make a mistake.

Thanks.

No. I´ve tested Metal Slug,Metal Slug X and 3 runs smoothly, without any lags.
Use MAME roms and do yourself the precache file. Just runs "mvsconv.bat" with comes in the emulator and select the rom to be processed.