Quartus project file and setting file rename

[Avinash201040]

hii,
 

i have a quartus project. i manually renamed the qpf and qsf file to some different name and according i updated the sdc constrains as well because some clock name got changed automatically while renaming the qsf and qpf.

now i am observing the fmax of a certain clock(dsp_clock) got reduced from 530 Mhz to 492 Mhz.

i could not find the exact issue.

what exactly can cause this much reduction in fmax.

am i following the correct procedure to rename the qsf and qpf or there is some other better way.

please let me know.

[HubertG]

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