Matt Liberty comments

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                                            Matt Liberty

CTS step is taking unusually long time - 2550 secondns

Were you able to connect with @tspyrou ?

write_timing_model doesn't consider set_timing_derate

@tspyrou looks like one for Cherry

drt: replace name/xform with dbInst* in frInst

@osamahammad21 does this have any effect on distributed routing? I don't see the frInst being serialized anywhere.

drt: replace name/xform with dbInst* in frInst

> @maliberty Although I see that dbInst::getLocation is not the same as dbInst::getTransform().getOffset(). I didn't spend much time trying to understand why but just wanted to point it out. See...

meta: Adds ClangTidy check to class names

Are you doing manual testing as this PR won't trigger any actual scan of code?

meta: Adds ClangTidy check to class names

any update?

Improve memory usage of PDN

With OpenROAD v2.0-11595-g31d7e3dc5 it took under 1hr: ``` real 52m24.020s ``` so I can't reproduce your issue.

Improve memory usage of PDN

Its fairly old: ``` % lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 40 On-line CPU(s) list: 0-39 Thread(s) per core: 1 Core(s) per socket: 20...

Improve memory usage of PDN

@oharboe this seems to have stalled out on the size of your LEF macros. Is there something here to pursue as this doesn't seem to be a pdn issue.

mpl2 fails to place macros where classic macro placement succeeds

Does the fix for #4242 work here?