Justin Gray

it would greatly help me if this was delt with. It is a big problem for using MatplotLib with the standard backend inside a virtual env.

You can use the example from the SO question. I provided a decent start of an example in my answer there. https://stackoverflow.com/questions/69110573/optimizing-distributed-i-o-with-serial-output/69111105#69111105

on challenge is that pyoptsparse is often run on clusters, where the anaconda build is not always available. I don't object to a conda package though, as long as the...

OpenMDAO has a total derivative checker. You could borrow the code from that.

the memory usage might be related to total coloring. That many constraints might be using a lot of memory. Total coloring is still coded as a dense operation I think....

More information. User was able to switch to a larger memory machine and gave this data: ``` Ok, ran that same coloring case on my home computer which has 48Gb...

Pythonized version of the above code ``` # CONSTANTS =============================================================== C_calToJoule = 4.184 # J/cal, conversion constant C_lbmToGram = 453.59 # g/lbm, conversion constant C_BTUtoCal = 252.16 # cal/BTU, conversion...

The computations above have two problems: 1) they assume a HOF for the fuel to compute LHV ... when we normally want to go the other way 2) they didn't...

This design follows a super generalized design that's been used in the base line elements for NPSS for a couple of decades. You are correct that in practice, if you...