On 4 August 2011 14:56, David Gilbert <david.gilb...@linaro.org> wrote: > On 4 August 2011 14:52, James Tunnicliffe <james.tunnicli...@linaro.org> > wrote: >> I have seen poor performance when DDing to a card, which I assume is >> because dd is not writing large aligned chunks. If we can dd the first >> meg or so of data onto the card, then write in 4MB chunks that are all >> 4MB aligned that should be quick (at least, if my reading of my >> flashbench results is correct). > > What options to dd are you using? dd if=file of=/dev/thewholedevice bs=4096k > should write 4MB chunks out
My understanding is they are 4MB chunks, but not aligned to 4MB boundaries. -- James Tunnicliffe _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
