Matt Liberty

Results 1725 comments of Matt Liberty

It might be related but you need to fix it in any case. The messages suggest you have the wrong CLASS in the lef for your macros (it should be...

It might be related but you need to fix it in any case. The messages suggest you have the wrong CLASS in the lef for your macros (it should be...

Its a pretty poor message. Can you provide a test case as I would rather see if we can fix it directly rather than having users mess with internal knobs.

@ramezmoussa in the past I've seen problems where the placer confuses very fast convergence on trivial designs with divergence. This will be a good chance to learn the convergence code....

Note the delays are not the min & max insertion delays, they are the min/max delays associated with the max skew.

I can get a still better result by reversing the order of the buffers in set ::env(CTS_CLK_BUFFER_LIST) {sky130_fd_sc_hd__clkbuf_8 sky130_fd_sc_hd__clkbuf_4 sky130_fd_sc_hd__clkbuf_2}; The largest buffer should be first (I have an open...

@sewkim @abk-openroad this is an autotuner opportunity

https://github.com/RTimothyEdwards/open_pdks/issues/242

@antonblanchard what are you hoping happens here with OR? These are OL overrides so I'm not sue what we can do about it in the software. I do think it...

Some conventional wisdom: - maxtran should never be more than 1/8 (ideally, 1/10) of the clock period - library maxtran is usually MUCH too large compared to realistic maxtran in...