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Visitor pei_shuai
Visitor
2,864 Views
Registered: ‎08-22-2017

Ethernet speeds comparison documetation wanted

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Hi,

    I have read a xilinx document, which has a table showing the information about ethernet speed comparison between different xilinx chips including 6-series, 7-series and 7000series. Now I want to check the information about the ethernet speed, but I can not remember the name of the docment.

    So could anyone tell me the name of it?

Thanks!

Shuai

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Xilinx Employee
Xilinx Employee
4,692 Views
Registered: ‎02-06-2013

Re: Ethernet speeds comparison documetation wanted

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Hi

 

Check page 23 of below doc for performance numbers

 

https://www.xilinx.com/support/documentation/application_notes/xapp1026.pdf

 

Below doc has the ppc and microblaze numbers for older boards.

https://www.xilinx.com/support/documentation/application_notes/xapp1043.pdf

Regards,

Satish

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Visitor pei_shuai
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Registered: ‎08-22-2017

Re: Ethernet speeds comparison documetation wanted

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Hi,    

      Thanks for your answer. But it is not what I want.

 

      It should be a pdf document.   The table seems about the actual testing ethernet speed about different evaluation boads.

 

Best regards.

Shuai

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Xilinx Employee
Xilinx Employee
2,789 Views
Registered: ‎05-01-2013

Re: Ethernet speeds comparison documetation wanted

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What's the exact table you're looking for? Do you have more details?

Every family of Xilinx FPGA may support multiple Ethernet speeds.

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Visitor pei_shuai
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Registered: ‎08-22-2017

Re: Ethernet speeds comparison documetation wanted

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It is about the actual testing speeds of 1000M Tri-Mode Ethernet from different evaluation boads.
The EVA baods are about V5, V6/V7 and Zynq. They are use different processor cores. V5 uses the hard core of PowerPC. V6/V7 uses the soft core of MicroBlaze. Zynq uses the hard core of ARM. So the performances of the 1000M Tri-Mode Ethernet are different on these three different processors. So I want to get the actual testing data and use it as a reference for my design.
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Xilinx Employee
Xilinx Employee
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Registered: ‎05-01-2013

Re: Ethernet speeds comparison documetation wanted

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What're the different performances do you mean here?

All of Xilinx Ethernet IP cores can achieve the MAX throughput.

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Visitor pei_shuai
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Registered: ‎08-22-2017

Re: Ethernet speeds comparison documetation wanted

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It means the actual speed of the 1000M Tri-mode ethernet.
The V6/V7 uses the soft processor of MicroBlaze, it can not seem to achieve the speed of 1000M.
So I want to know about the actual 1000M ethernet speed on V6/V7 board.
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Xilinx Employee
Xilinx Employee
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Registered: ‎05-01-2013

Re: Ethernet speeds comparison documetation wanted

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Xilinx Ethernet IP cores follow IEEE802.3

So all of them have the standard speed 1000M

I don't realize any other speed

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Visitor pei_shuai
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Registered: ‎08-22-2017

Re: Ethernet speeds comparison documetation wanted

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Yes it shoulb be this.
But I use the AXI 1G/2.5G Ethernet system IP core on the VC707 boad, and the Ethernet speed is only about 50Mbits/s. So could you recommend some key documents to help me improve it.
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Xilinx Employee
Xilinx Employee
4,693 Views
Registered: ‎02-06-2013

Re: Ethernet speeds comparison documetation wanted

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Hi

 

Check page 23 of below doc for performance numbers

 

https://www.xilinx.com/support/documentation/application_notes/xapp1026.pdf

 

Below doc has the ppc and microblaze numbers for older boards.

https://www.xilinx.com/support/documentation/application_notes/xapp1043.pdf

Regards,

Satish

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Visitor pei_shuai
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Registered: ‎08-22-2017

Re: Ethernet speeds comparison documetation wanted

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The page 23 of xapp1026.pdf and the page 11 of xapp1043.pdf both give the testing results of Ethernet speed based on MicroBlaze. But neither of them can achieve 1000M. The documents of wp363 and xapp1243 show that 1000M Ethernet based on MicroBlaze can be achieved. According to these documents, if I configure large MTU and high clock rate for the Ethernet design, I can get 1000M speed. Is my thought right? Any one can give me some ideas?
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