very slow performance of glxgears (68 fps)

[John Tapsell]

2009/1/31 Bryce Harrington <bryce at canonical.com>:
> On Fri, Jan 30, 2009 at 01:29:49PM -0800, Eric Anholt wrote:
>> > $ glxgears
>> > Failed to initialize TTM buffer manager.  Falling back to classic.
>> > 300 frames in 5.0 seconds = 59.884 FPS
>> > 299 frames in 5.0 seconds = 59.621 FPS
>> > 300 frames in 5.0 seconds = 59.818 FPS
>>
>> glxgears is not a benchmark.
>>
>> We sync to vblank because running glxgears at 1000fps is dumb.
>
> I am going to go out on a limb and guess we're going to see a crapload
> of reports of "performance regression" due to reduced glxgears frame
> rates.

What was the purpose in this change?  I have never heard a user
complain that glxgears is running too fast, and that they want it to
vsync.   What's the use case of this change exactly?

John