Files
typewriter/firmware/src
Julien Calixte 2660a3e9dd perf(palette): trust dirent d_type instead of a per-entry stat
The per-entry metadata() call makes FatFS re-walk the directory by
path every time — ~32ms/file on the card, 35s for a 1098-file tree.
esp-idf's FAT VFS always fills d_type (DT_DIR/DT_REG from the FILINFO
readdir already holds, never unknown) and Rust std maps file_type()
onto it stat-free, so the walk is now one readdir pass per directory.
2026-07-13 01:05:10 +02:00
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