On Mar 9, 2012, at 12:30 AM, Matthias Runge wrote: >> > if your file system places data inefficiently on disk/storage, you want > to measure this, too. If you're comparing file system speed, I think, > you should measure the whole thing and be sure to create comparable > data. The source files are on a jhfs+ volume. I'm disinterested in disk to disk copy. And I'm disinterested in comparing jhfs+ to other file system copies. I'm wondering how a system pushing data from memory to disk. > > You can't really control, how your file system cache is filled. > Although I must say, measuring a the whole effort a few times > consecutively provides more reliable numbers (caution: but no > disk speed measurement). I can probably control it to some degree if there isn't much free memory left, by creating a large ramdisk, that will end up as file system cache. Chris Murphy -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel