SD Card vs Internal storage (emulator and rom)

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If I'm running a fairly intense software in Android 14 with the data source on SD card, does the phone read and write from the SD card or load what it needs to RAM/internal and use a Ram/internal storage cache of the SD data to keep things running smoothly?I'm asking in this particular case with an emulator and a SDXC card with large rom files (1-2gb each) runs poorly in comparison to the rom being stored on internal storage.Is this just a limitation of SD cards in general or can it be...Read more