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Adventurer
Adventurer
5,125 Views
Registered: ‎01-02-2012

Configure Xilinx tools to use more PC resources (faster implementation)

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Hi guys,

 

any idea on how to configure Xilinx tools (PlanAhead & XPS) to use more of my PC's resources? I've got an i5 @ 3.30 GHz and 8 Gb Ram, and it takes me about 7 min. for a simple embedded design for Zynq to be exported to SDK and actually operational. Currently the tools use about 25% of the CPU and memory - I wouldn't mind if they multiplied by 4... :-)

 

Thanks in advance and best regards,

David

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Xilinx Employee
Xilinx Employee
6,232 Views
Registered: ‎07-01-2010

Re: Configure Xilinx tools to use more PC resources (faster implementation)

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Hi David,

 

If you wanted to use multiple cores in planAhead /ISE during the implementation runs , you have enable or use -mt switch in MAP and PAR. Which will enable to use 2 core for the runs using multi-threading.

 

Thanks,

Achutha

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Xilinx Employee
Xilinx Employee
5,101 Views
Registered: ‎07-01-2010

Re: Configure Xilinx tools to use more PC resources (faster implementation)

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Hello,

 

There is a web page about the memory recommendation

http://www.xilinx.com/ise/products/memory.htm

 

But there is no information about Zynq.
You can use the Kintex7 table. Because they are the similar structure

The memory recommendation depends on the numbers of logic cell.

Z7020 has 85K logic cell. between the XC7K70T(LC:65600) and XC7K160T(LC:162,​240).

So the closest XC7K70T can be used as a reference memory recommendation of Z7020.

 

Hope this helps.

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Adventurer
Adventurer
5,097 Views
Registered: ‎01-02-2012

Re: Configure Xilinx tools to use more PC resources (faster implementation)

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Hi achutha,

 

thanks for your reply. Well, according to your reference the tools cannot exceed the usage of 2.5 Gb of memory (peak for xc7k70t). What about the CPU? The tools are using only one core, right? Is there any option for changing that? Or at least for configuring the tools to use 100% of that one core?

 

Thanks,

David

 

PS: I tried to set the tools' processes priority to real-time (in Windows) - unfortunately I didn't notice any significant difference.

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Xilinx Employee
Xilinx Employee
6,233 Views
Registered: ‎07-01-2010

Re: Configure Xilinx tools to use more PC resources (faster implementation)

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Hi David,

 

If you wanted to use multiple cores in planAhead /ISE during the implementation runs , you have enable or use -mt switch in MAP and PAR. Which will enable to use 2 core for the runs using multi-threading.

 

Thanks,

Achutha

---------------------------------------------------------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.

Give Kudos to a post which you think is helpful and reply oriented.
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Adventurer
Adventurer
5,086 Views
Registered: ‎01-02-2012

Re: Configure Xilinx tools to use more PC resources (faster implementation)

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Awesome, thanks a lot Achutha!
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