h
To: Tom Hendrick ; "Discuss-gnuradio@gnu.org"
Sent: Monday, March 11, 2013 8:29 AM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
On 03/11/2013 02:00 AM, Tom Hendrick wrote:
Hello Josh, Thanks for responding.
>I just tried your suggestion.
>
On 03/11/2013 02:00 AM, Tom Hendrick wrote:
Hello Josh, Thanks for responding.
I just tried your suggestion.
With a single USRP channel at 4MS/s and writing to four files at 500
MS/s (each of these 4 files is writing the same thing), I occasionally
still see some overruns though it takes a lot
.
Thanks, -Tom
From: Josh Blum
To: Tom Hendrick
Cc: "discuss-gnuradio@gnu.org"
Sent: Sunday, March 10, 2013 10:29 PM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
On 03/08/2013 02:44 PM, Tom Hendrick wrote:
> Hi Jo
you, -Tom
From: Josh Blum
To: Tom Hendrick
Cc: "discuss-gnuradio@gnu.org"
Sent: Sunday, March 10, 2013 10:29 PM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
On 03/08/2013 02:44 PM, Tom Hendrick wrote:
> Hi Josh,
>
> Would y
> Thanks, - Tom
>
>
>
>
>
>
> From: Josh Blum
> To: Tom Hendrick
> Cc: "discuss-gnuradio@gnu.org"
> Sent: Saturday, March 2, 2013 9:18 AM
> Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older
> machines
>
>
>
> On 03/01
scuss-gnuradio@gnu.org"
Sent: Saturday, March 2, 2013 9:18 AM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
On 03/01/2013 05:16 PM, Tom Hendrick wrote:
> Josh,
>
> Thank you so much for the suggestion. I will try this. I have 4GB of
> ram and a
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
Josh thanks so much for the suggestion.
>I left the tb.run() alone, and used the default settings for the
uhd_usrp_probe --args call for setting the frame size and number
of frames.
>
>I
Josh thanks so much for the suggestion.
I left the tb.run() alone, and used the default settings for the
uhd_usrp_probe --args call for setting the frame size and number of
frames.
I also just changed the buffer size for the usrp_source block by
setting the following before the tb.run():
tb
From: Josh Blum
To: Tom Hendrick
Cc: "discuss-gnuradio@gnu.org"
Sent: Saturday, March 2, 2013 9:18 AM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older machines
On 03/01/2013 05:16 PM, Tom Hendrick wrote:
> Josh,
>
> Thank you so much for the sug
sh Blum To:
> discuss-gnuradio@gnu.org Sent: Friday, March 1, 2013 2:55 PM Subject:
> Re: [Discuss-gnuradio] LibUSRP vs LibUHD Performance on older
> machines
>
>
>
> On 03/01/2013 04:51 PM, Tom Hendrick wrote:
>> Hello all,
>>
>> I've had trouble making
4 channel usrp block in the older
gnuradio version had the fusb_block and fusb_nblocks both set to 512*32
Thanks, -Tom
From: Josh Blum
To: discuss-gnuradio@gnu.org
Sent: Friday, March 1, 2013 2:55 PM
Subject: Re: [Discuss-gnuradio] LibUSRP vs LibUHD Perfo
On 03/01/2013 04:51 PM, Tom Hendrick wrote:
> Hello all,
>
> I've had trouble making a 4 channel USRP samples at 1Ms/s write to file at
> 500 kS/s with ubuntu 12.04 and libuhd. I am getting several overruns and I
> had tried adjusting some of the parameters using usrd_probe_devices but with
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