[time-nuts] DPC Latency

[Bob Camp]

Hi

I did indeed originally come across it in the SDR context.  

Bob

On Jun 18, 2011, at 9:46 AM, William H. Fite wrote:

> Those of us who run SDRs are all too familiar with the DPC issue...
> 
> You're right, this is a useful little tool.
> 
> Bill
> 
> 
> 
> 
> On Sat, Jun 18, 2011 at 9:42 AM, Bob Camp <lists at rtty.us> wrote:
> 
>> Hi
>> 
>> DPC Latency = Deferred Procedure Call Latency = how long it takes Windows
>> to get around to doing what it should do real time. Put another way - how
>> lazy is your computer?
>> It may not be a big issue, but it's probably worth checking for free:
>> http://www.thesycon.de/deu/latency_check.shtml
>> We don't do audio or video since we're serious Time Nuts:)... The same
>> issue would mess up our stuff though. It certainly would be useful to know
>> when playing with NTP.
>> Usual disclaimer - if your PC explodes don't blame me. There are lots of
>> other programs out there that do the same thing. I have no connection with
>> these guys. It's just the first one I found.
>> 
>> Bob
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