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What is the difference between FSDB and VCD files?

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sishir

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Coul d someone please tell me what is the difference between FSDB and VCD files. They are used to acuire simulation data and an FSDB file requires less data base compared to a VCD file. That much i understood, but what are the advantages and disadvantages of going for an FSDB or VCD format.

Thanks in advance,
Sishir
 

Re: Hi group...

Hi ,

The VCD format of dumping is a standard format of signal value dumping which is accepted by all EDA simulation tools & EDA postprocessing tools .If you are running big simulations & need to dump the signals the file size of VCD will be large .Where as fsdb format of dumping is used in debussy only & the file size will be less, approx less by 10 times .
So if you have debussy tool go for fsdb dumping otherwise go for vcd .

Regards
Chandhramohan
 

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    sishir

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