于 2014/1/6 2:02, Peter Lieven 写道:
vnc_update_client currently scans the dirty bitmap of each client
bitwise which is a very costly operation if only few bits are dirty.
vnc_refresh_server_surface does almost the same.
this patch optimizes both by utilizing the heavily optimized
function
On 06.01.2014 11:08, Wenchao Xia wrote:
于 2014/1/6 2:02, Peter Lieven 写道:
vnc_update_client currently scans the dirty bitmap of each client
bitwise which is a very costly operation if only few bits are dirty.
vnc_refresh_server_surface does almost the same.
this patch optimizes both by
On 06.01.2014 11:08, Wenchao Xia wrote:
于 2014/1/6 2:02, Peter Lieven 写道:
vnc_update_client currently scans the dirty bitmap of each client
bitwise which is a very costly operation if only few bits are dirty.
vnc_refresh_server_surface does almost the same.
this patch optimizes both by
于 2014/1/6 21:31, Peter Lieven 写道:
On 06.01.2014 11:08, Wenchao Xia wrote:
于 2014/1/6 2:02, Peter Lieven 写道:
vnc_update_client currently scans the dirty bitmap of each client
bitwise which is a very costly operation if only few bits are dirty.
vnc_refresh_server_surface does almost the same.
vnc_update_client currently scans the dirty bitmap of each client
bitwise which is a very costly operation if only few bits are dirty.
vnc_refresh_server_surface does almost the same.
this patch optimizes both by utilizing the heavily optimized
function find_next_bit to find the offset of the next