[Libre-soc-bugs] [Bug 1039] add hardware-cycle-accurate stastistical modelling to ISACaller for an in-order core

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1039

--- Comment #14 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Dmitry Selyutin from comment #12)

> I'll wait for CI, because ISACaller is a common code, so I don't want to end
> up in a situation when I broke something. 

it is a little early to focus on the output that ISACaller creates.
the primary focus is on the inorder.py model code, using independent
unit tests that have absolutely no direct connection whatsover to ISACaller.

however when it is done there should be no use of temp files (at all),
under any circumstances.  there should be no presence of temp files,
no attempt by ISACaller to create temp files, at all.

ISACaller should explicitly be given an input (which is either None,
a filename, or an object with a "write" function) and should detect
that.

if the argument is None then absolutely nothing happens.

in this way you can easily ensure that you do absolutely no damage
because under no circumstances should you have modified any code
in any *existing* unit tests or anywhere at all in existing functionality
that sets that argument.

and thus a branch is *NOT* necessary, at all.

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