4 ms·
It's worth noting that SD card firmware is usually optimised for the FAT32 filesystem, which has a very predictable access (specifically write) pattern, and usi
by userbinator 3y ago
It's worth noting that SD card firmware is usually optimised for the FAT32 filesystem, which has a very predictable access (specifically write) pattern, and using filesystems that have a more "free-form" layout can lead to lower performance and higher write amplification:
https://lwn.net/Articles/428584/ https://lwn.net/Articles/428584/
- goodburb 3y agoGood note, I wonder if wear leveling depends on that since it's local wear leveling compared to SSD global. SDXC probably requires exFAT and free space bitmap is considered.