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Csim error in HLS 64k FFT ip

Observer
Posts: 29
Registered: ‎10-12-2013

Csim error in HLS 64k FFT ip

Hi,

I use HLS fft ip implement 64K fft, but the csim error. when i debug the project, the code crack at '__chkstk_ms' as following

fft_problem.jpg

BTW, when set the fft length at  32k, 16k,8k,512, the csim run right ,and the result is right(compared to matlab calulate result) 

the project file in the attachments

Observer
Posts: 29
Registered: ‎10-12-2013

Re: Csim error in HLS 64k FFT ip

any one can help me?

Observer
Posts: 29
Registered: ‎10-12-2013

Re: Csim error in HLS 64k FFT ip

help me please

Observer
Posts: 29
Registered: ‎10-12-2013

Re: Csim error in HLS 64k FFT ip

up

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Teacher
Posts: 5,146
Registered: ‎03-31-2012

Re: Csim error in HLS 64k FFT ip

[ Edited ]

@hbbatistuta probably 64K size is causing a stack overflow as you are allocating large buffers on the stack, try increasing your stack size. Which OS are you using?

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Observer
Posts: 29
Registered: ‎10-12-2013

Re: Csim error in HLS 64k FFT ip

@muzaffer

 

    Thank you for your reply

    I use HLS 2016.3, Windows 7. My PC have 64G memory