On Sun, 5 Oct 2008, NoiseEHC wrote: >> can you do the hash as you copy it? it should be pretty close to free at >> that point (since the CPU is waiting for memory/flash access it can do the >> hash calculationwhen it would otherwise be stalled) >> >> > According to my measurements the GeodeLX can fetch a new cache line (32 > bytes) every 20-25 clocks. > Unless you can do the hash <2 clocks/byte then you will only earn the looping > time (assuming that the hashed blocks fit into the L1 cache).
is that speed reading from ram or from flash? David Lang _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
