A question about Spectre PSS simulation

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fun.zhao

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spectre 4g memory

I using Cadence Spectre PSS & PNOISE simulation tools.
When PSS, there is always a error "Insufficient memory available."
and simulation halt.

My work setting is Xeon workserver + Linux + Cadence, and Memory is 4G.

Can you tell me why?

Thanks very much!!
 

spectre insufficient memory problem

I found why
When PSS simulation, if the fundamental frequency is low (100KHz), PSS need huge memory.
Can someone give me a resolvent under not adding memory?
 

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