Re: XvShmPutImage is slow.

[etienne deleflie]

Mark Vojkovich wrote:

On Sun, 8 Jun 2003, etienne deleflie wrote:

 

Hello,

I'm attacking the bottle necks in my app........ and I've just noticed 
that XvShmPutImage is one of my bottlenecks. It takes 4 msecs to draw 1 
512 x 256 sized frame.
   

  What do you get for:

x11perf -repeat 1 -shmput500

  If run in depth 24, the fps is roughly the bandwidth, in MB/sec
to the framebuffer.
I get

x11perf - X11 performance program, version 1.5
The XFree86 Project, Inc server version 40100001 on :0.0
from sine
Sun Jun  8 14:34:04 2003
Sync time adjustment is 0.0489 msecs.

   360 reps @  16.0078 msec (    62.5/sec): ShmPutImage 500x500 square

etienne

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