Am Di., 10. Dez. 2019 um 17:18 Uhr schrieb Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>: [...] > > > We could adjust RW_BUF_SIZE (used by copy_file as buffer size) to a full > > > chunk size (16KiB). Does this give you back some lost performance? > > No, changing RW_BUF_SIZE did not help. > > And I also see why :-/ > > block_op_write() works around block sizes (512bytes), not around chunk > sizes. This means we always read before we write. This could probably be > optimized somehow, but this would only speed up the write case you > described in your initial mail. It seems what you are more interested in > is the read performance. Well, I'm interested in both. Of course the read-performance is important for booting. But the write-performance is important for production. It simply matters if you have to wait for another 200 seconds for a device to get programmed. Regards Hubert _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
