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
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 f
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 b
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 b
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
