Hi Sascha, Am Di., 10. Dez. 2019 um 16:10 Uhr schrieb Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>: [...] > Well the commit message says it: > | commit b6fef20c1215c6ef0004f6af4a9c4b77af51dc43 > | Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > | Date: Thu Mar 29 13:49:45 2018 +0200 > | > | block: Adjust cache sizes > | > | Use four times more cache entries and divide the memory for each entry > | by four. This lowers the linear read throughput somewhat but increases > | the access speed for filesystems. Yes, I know. I've read the commit message. But this patch even costs me ~200ms in boottime (loading kernel and dts from ext4 root partition). [...] > 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. Regards Hubert _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
