On Tue, Apr 20, 2010 at 16:34, Onkar Mahajan <kern.devel@xxxxxxxxx> wrote: > Thanks for your reply. > > I found this , I thought I must share this with you : > > This function is used to minimize cache-miss latency by moving > data into a cache before it is accessed. You can insert calls to > __builtin_prefetch into code for which you know addresses of data in > memory that is likely to be accessed soon. If the target supports > them, data prefetch instructions will be generated. If the prefetch is > done early enough before the access then the data will be in the cache > by the time it is accessed. Thank you very much for your willingness to share the information with me. It makes me know more about this prefetch stuff -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ