this patch adds the usage of buffer_find_nonzero_offset()
to skip large areas of zeroes.
compared to loop unrolling presented in an earlier
patch this adds another 50% performance benefit for
skipping large areas of zeroes. loop unrolling alone
added close to 100% speedup.
Signed-off-by: Peter Li
On 03/22/2013 02:46 PM, Peter Lieven wrote:
> this patch adds the usage of buffer_find_nonzero_offset()
> to skip large areas of zeroes.
>
> compared to loop unrolling presented in an earlier
> patch this adds another 50% performance benefit for
> skipping large areas of zeroes. loop unrolling alo