No. Yes. I'm waiting for the next Retrobot for Autobleem release.
Info files basically tell retroarch which core has what compatibility with extensions, and also might (not sure) tell it the core name to display.
Just read the latest KDFManiac changelog (from the release 11 hours ago), and PCSX cores for PSC were a little more optimized, and in regards to PSX CPU clockrate - hes talking about 70% as well. (As an alternative option to 57% default). Will have to play around with this.
In terms of actual usage - without confusing stuff. Next Retroboot for Autobleem release should include all the cores needed. Use one of the PCSX cores in that release. At least one of them should give you full speed. (Even at 70% PSX Clock (options), maybe - possibly).
Fullspeed PSX emulation even at 2x resolution shouldnt be an issue with those cores (/that core - depends on how many will be bundled in the next retroboot release) either.
If you want to exchange the .so files on your own (not waiting for them to be bundled with the next Retroboot release), just replacing the .so files is fine.
Especially if you edit your playlists by hand in which case you'd not even have to rename them. (Otherwise rename them to an existing cores name (if needed) - so Retroarchs "selection for that filetype (info files) menues" don't break. An updated info file hardly ever is needed. (It is, if a core starts to support a new file extension). You even could delete all info files and run retroarch that way, but then core integration in retroarch becomes "dumb" . Meaning, all cores will be shown for every filetype - core names in playlists might not be displayed correctly...)
I added more confusion than necessary here - because I was to lazy to check if the core I'm using actually is an extreme core. Afair it gets displayed that way in Retroarch - even though its filename doesnt include extreme. (Info file the cause?)
But thats just speculation.
Information needed is - "next Retroboot for Autobleem release will include all cores needed". Wait for that. (Or salvage the files from the current KDFManiac package and replace them on your own. Just replacing .so files is sufficient.)
sorry to bother you again i downloaded _km_psc_xtreme_core_injector_bleemsync_6-15-19 do i just run that and let it over wright what is in my bleemsysnc 1.1 first ( yes i am going to do a back up ) and that is it , happy to rescane playlist etc us delete the core floder?