Re: [ANN] LuaProfiler 2.0

[Chris Marrin <chris@...>]

Rici Lake wrote:
> On 15-Jun-05, at 10:39 AM, Diego Nehab wrote:
>
> > Hi,
> >
> > > Just to toss this out:
> > >
> > >  http://www.virtualdub.org/blog/pivot/entry.php?id=53
> > >
> > > Are you using D3D, or something else that plays with the FPUCW?
> >
> >
> > This is amazing... thanks for the link. I *am* using D3D, and although I
> > don't plan to run my app for more than a few minutes, someone else might.
>
>
> It is amazing... the things that happen on a Windows platform :)
>
> Single-precision is going to give you microsecond precision up to 16 
> seconds and millisecond precision up to about four hours; that might be 
> enough, but it seems unnecessary. (Also I suspect that it is not 
> relevant how long the application has run, but rather how long it has 
> been since the machine has rebooted, but I really know zip about Windows 
> so I could be wrong.)

Yes, the value in the counter is from when the CPU started. I used the 
trick of subtracting off the value of the counter when the CPU started. 
But even with this, 4 hours to millisecond resolution is not acceptable 
in our app!

--
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